Quick filters:
Phoma Stock Photos and Images
RMGGJHYC–Box Blight- affecting Buxus- - (Phoma conidiogena syn. Hyponectria buxi) MIW253445 Photos Hor
RMDEJD8A–Creeping thistle, Cirsium arvense, leaves bleached by Phoma macrostoma with potential use as a bioherbicide
RMDP7CN1–White tips to the leaves of a creeping thistle Cirsium arvense caused by Phoma macrostoma a disease with potental use as a
RF2K97992–3D image of Secalonic acid A skeletal formula - molecular chemical structure of tetrahydroxanthone isolated on white background
RFE17B1D–Clematis wilt “Phoma clematidina” (formerly Ascochyta clematidina)dieback. Alpine Clematis 'Ruby'
RFTRF1FH–different samples with kinds of bacterias living at common household items- phoma macrostoma, eurotium amstelodoni, penicillium carneum.
RM2ANHPR7–Annual report of the Maine Agricultural Experiment Station . Fig. 255. Phoma decay.. Fig. 256. Fusarium decay.
RFTRW4BY–Hornbill Festival.Nagaland,India:1st December 2013 : Wooden artwork in Phoma Tibal Morung at Hornbill Festival.
RF2X34AJN–A branch of a linden (Tilia) tree with symptoms of disease - Canker, cancer. Golden Chain (Laburnum) Fusarium Canker. Caused by a complex of fungus.
RF2K9741W–3D image of Pisatin skeletal formula - molecular chemical structure of phytoalexin isolated on white background
RMPG1504–. Chestnut blight. Chestnut blight; Chestnut. c-d. Phoma Rot of Swede Turnip, d, x 2, with fruiting pustules, p. 355. DISEASES OF CABBAGE AND TURNIP.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. 1906-1960
RMTXMTRW–Black patches on the upper surface of Helianthus annus, young sunflower leaves most likely due to over watering
![Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 65. Tomato Diseases. a. Various forms of vegetative cells of the yeast rot fungus, 6. ascus, .-. ascosporet of the yeast rot fungus (a. to c. after Schneider), d. Phoma rot on foliage, c. Phoma rot on fruit,/, pycnidium of the Phoma rot organism, g. cross-section of a pycnidium of the Phoma fungus, h. mycelium, «. pycnospores of same {d. to i. after Jamieson). Stock Photo](https://c8.alamy.com/comp/T1JJ2E/diseases-of-truck-crops-and-diseases-of-truck-crops-and-their-control-diseasesoftruckc00taubuoft-year-1918-fig-65-tomato-diseases-a-various-forms-of-vegetative-cells-of-the-yeast-rot-fungus-6-ascus-ascosporet-of-the-yeast-rot-fungus-a-to-c-after-schneider-d-phoma-rot-on-foliage-c-phoma-rot-on-fruit-pycnidium-of-the-phoma-rot-organism-g-cross-section-of-a-pycnidium-of-the-phoma-fungus-h-mycelium-pycnospores-of-same-d-to-i-after-jamieson-T1JJ2E.jpg "Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 65. Tomato Diseases. a. Various forms of vegetative cells of the yeast rot fungus, 6. ascus, .-. ascosporet of the yeast rot fungus (a. to c. after Schneider), d. Phoma rot on foliage, c. Phoma rot on fruit,/, pycnidium of the Phoma rot organism, g. cross-section of a pycnidium of the Phoma fungus, h. mycelium, «. pycnospores of same {d. to i. after Jamieson). Stock Photo")
RMT1JJ2E–Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 65. Tomato Diseases. a. Various forms of vegetative cells of the yeast rot fungus, 6. ascus, .-. ascosporet of the yeast rot fungus (a. to c. after Schneider), d. Phoma rot on foliage, c. Phoma rot on fruit,/, pycnidium of the Phoma rot organism, g. cross-section of a pycnidium of the Phoma fungus, h. mycelium, «. pycnospores of same {d. to i. after Jamieson).
RMDEJD80–Creeping thistle, Cirsium arvense, leaves bleached by Phoma macrostoma with potential use as a bioherbicide
RMDEJD7A–Creeping thistle, Cirsium arvense, leaves bleached by Phoma macrostoma with potential use as a bioherbicide
RMMCKWNK–. Fig. 36. Turnip Diseases. a. and b. Anthracnose, c. cross section through acervulus, d. anthracnose spores, e. Cylindrosporium leaf spot, /. Phoma rot, g. Sclerotinia rot (c and d. after Higgins).
RFE17B5B–Clematis wilt 'Phoma clematidina' (formerly Ascochyta clematidina)dieback. Alpine Clematis 'Ruby'
RM2ANHT5D–Annual report of the Maine Agricultural Experiment Station . Fig. 254. rink rot following scab.. Fig. 255. Phoma decay.
RF2X34AKA–A branch of a linden (Tilia) tree with symptoms of disease - Canker, cancer. Golden Chain (Laburnum) Fusarium Canker. Caused by a complex of fungus.
RMPG45PN–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 519 In part=Mycosph£erella, Leptosphcpria. The genus is a very large one similar to Phoma and Phyllosticta except in its spore form and in the ostiole which is frequently very large. Septoria and Phleospora are distinguished only by the lesser development of the walls of the latter and many species which in early stages pass as Phleospora would in older stages be classed as Septoria. Septoria and Rhabdospora are distinguished only by the part of the host affected, stem or leaf, and many forms in
RMTXMTXP–Black patches on the upper surface of Helianthus annus, young sunflower leaves most likely due to over watering
RMT1H5GJ–Diseases of economic plants (1921) Diseases of economic plants diseasesofeconom01stev Year: 1921 20 Diseases of Economic Plants of fungi, prominent among them being Pythium, Thielavia, Corticium, Fusarium, Botrytis, Sclerotinia, Sclerotium, Phoma, Volutella, Phytophthora, CoUetotrichum, Gloeospo- FiG. 4. — Stems of young greenhouse tomato plants damped- off frcm attacks of Corticium. After Humbert. rium. The fungus which causes this condition ma} often be seen as a weft of myceHum around the base of the diseased plant, or even creeping over the ground to some distance.
RMDEJD6A–Creeping thistle, Cirsium arvense, leaves bleached by Phoma macrostoma with potential use as a bioherbicide
RMMCKWK9–. Fig. 36. Turnip Diseases. a. and h. Anthracnose, c. cross section through acervulus, d. anthracnose spores, e. Cylindrosporium leaf spot, /. Phoma rot, g. Sclerotinia rot (r. and d. after Higgins).
RFE17AYN–Clematis wilt “Phoma clematidina” (formerly Ascochyta clematidina) dieback. Alpine Clematis 'Ruby'
RM2AWKKMY–Journal of agricultural research . ible todetermine the position of this organism among previously describedspecies, since it has been found to be morphologically not unlike severalof them. Its relation to the production of Citrus canker is definitelyestablished as a result of this study. Then, too, no particular difficultywould be experienced by other investigators in identifying it because of its association withCitrus canker. Inview of these facts itseems well to de-scribe it as a newspecies with the fol-lowing brief technicaldiagnosis: ^ Phoma socia, n. sp. Pycnidia irregularlydistributed,
RF2X34AMR–A branch of a linden (Tilia) tree with symptoms of disease - Canker, cancer. Golden Chain (Laburnum) Fusarium Canker. Caused by a complex of fungus.
RMPG3YH6–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 260 FUNGOUS DISEASES OF PLANTS are produced within which areas the pycnidia may be found. Cuttings may also be affected. The fungus. The pycnidial stage is a characteristic Phoma or Phyllosticta, ioo to 120/i in diameter, as shown in Fig. 113. These are distributed over the affected surfaces, and produce abundant conidia, which are hyaline, obovoidal, frequently trun- cated at the apex, measuring 10.5-13.5 X 5-6/*. The conidia are appendaged, and they are expelled from the perithec
RMTXMW6B–Black patches on the upper surface of Helianthus annus, young sunflower leaves most likely due to over watering
![Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 4o6 DISEASES OF CULTIVATED PLANTS SPHAEROPSIDIACEAE * Spores continuous PHOMA (Fries.) Perithecia subcutaneous then erumpent, globose or com- pressed, not beaked, mouth minute, conidia hyaline, continu- ous, elliptical to subglobose. A numerous genus, the species forming crowds of black microscopic dots on stems and leaves. Gooseberry shoot spot.—Numerous minute black dots nestling in the epidermis of gooseberry shoots, more especially Fic. 126.— I, Phyllostula violac on viol Stock Photo](https://c8.alamy.com/comp/T1HX00/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-4o6-diseases-of-cultivated-plants-sphaeropsidiaceae-spores-continuous-phoma-fries-perithecia-subcutaneous-then-erumpent-globose-or-com-pressed-not-beaked-mouth-minute-conidia-hyaline-continu-ous-elliptical-to-subglobose-a-numerous-genus-the-species-forming-crowds-of-black-microscopic-dots-on-stems-and-leaves-gooseberry-shoot-spotnumerous-minute-black-dots-nestling-in-the-epidermis-of-gooseberry-shoots-more-especially-fic-126-i-phyllostula-violac-on-viol-T1HX00.jpg "Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 4o6 DISEASES OF CULTIVATED PLANTS SPHAEROPSIDIACEAE * Spores continuous PHOMA (Fries.) Perithecia subcutaneous then erumpent, globose or com- pressed, not beaked, mouth minute, conidia hyaline, continu- ous, elliptical to subglobose. A numerous genus, the species forming crowds of black microscopic dots on stems and leaves. Gooseberry shoot spot.—Numerous minute black dots nestling in the epidermis of gooseberry shoots, more especially Fic. 126.— I, Phyllostula violac on viol Stock Photo")
RMT1HX00–Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 4o6 DISEASES OF CULTIVATED PLANTS SPHAEROPSIDIACEAE * Spores continuous PHOMA (Fries.) Perithecia subcutaneous then erumpent, globose or com- pressed, not beaked, mouth minute, conidia hyaline, continu- ous, elliptical to subglobose. A numerous genus, the species forming crowds of black microscopic dots on stems and leaves. Gooseberry shoot spot.—Numerous minute black dots nestling in the epidermis of gooseberry shoots, more especially Fic. 126.— I, Phyllostula violac on viol
RM2BD27PB–Footrot (Didymella pinodella or Phoma pinodella) infection creating gaps in a mature pea crop
RMMCMTHH–. LPUöspont hi/jH rlwnu.y.. PLarclicu.oJH.piuwiirieJiia. f.PLDn/aJCs. S. SphitLiicL nivuUs. 6 SpJt. arctica^ 7, tJ. Ce = i^atostorrHL foliieoliim.H. Ci^tsipova capUata.S. Phoma Diaban JO. Rhizoniorpha ard'uiULXyU>gpaphu tu'cUca. r.ABroc'khajis'(kffpr:'a.rtxst.-AnsULV.. l,eivzig.
RFE17B35–Clematis wilt “Phoma clematidina” (formerly Ascochyta clematidina)dieback. Alpine Clematis 'Ruby'
RM2AFJ8AA–. Transactions and proceedings of the Botanical Society of Edinburgh. he genus Phomopsis. Phoma pithyaSacc. {Scleropho7na pithya Died.) has also been stated byRostrup2 to attack the Douglas fir, and this species isconsidered by Lind ^ to be the same as Phoma ahietinaHartig. Phomopsis Pseudotsugae differs from Phomapithya both in the structure of the pycnidium and in theabsence of sporophores in the latter, which, as far as knownat present, is only saprophytic* Specimens of Phomopsis Pseudotsugae have been obtainedfrom various localities in Perthshire, from near Forres, andfrom Argyllshire, Dum
RF2X34AKR–A branch of a linden (Tilia) tree with symptoms of disease - Canker, cancer. Golden Chain (Laburnum) Fusarium Canker. Caused by a complex of fungus.
RMPG44RC–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 262 MYCOLOGY spores in Phoma are colorless and unicellular. The pycnidia are black with a terminal pore and depressed in the tissues of the host. The genus is arbitrarily limited to those species in which the spores are less than 15/4, for the larger spored forms have been placed in the genus Macrophoma. The most important species from the pathologic viewpoint are out of the iioo species recognized the^oUowing: Phoma beta is the cause of the heart rot and blight of beets. Phoma batata p
RMTXMW3N–Black patches on the upper surface of Helianthus annus, young sunflower leaves most likely due to over watering
![Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] PHOMA 409 Phoma solani (Halsted) causes a 'damping off' of egg- plants. The disease attacks the seedHngs at the base of the stem, the fruit of the fungus appearing as exceedingly minute dots on the diseased part. Halsted, New Jersey Agric. Exp. Sta. Rep., 1891. Fig. 127.—Phoma sanguinolenta. i, diseased carrot; 2, diseased carrot flowering stem ; 3, portion of a diseased spot showing perithecia with the conidia escaping as a viscid tendril ; 4, section of a perithecium with t Stock Photo](https://c8.alamy.com/comp/T1HX34/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-phoma-409-phoma-solani-halsted-causes-a-damping-off-of-egg-plants-the-disease-attacks-the-seedhngs-at-the-base-of-the-stem-the-fruit-of-the-fungus-appearing-as-exceedingly-minute-dots-on-the-diseased-part-halsted-new-jersey-agric-exp-sta-rep-1891-fig-127phoma-sanguinolenta-i-diseased-carrot-2-diseased-carrot-flowering-stem-3-portion-of-a-diseased-spot-showing-perithecia-with-the-conidia-escaping-as-a-viscid-tendril-4-section-of-a-perithecium-with-t-T1HX34.jpg "Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] PHOMA 409 Phoma solani (Halsted) causes a 'damping off' of egg- plants. The disease attacks the seedHngs at the base of the stem, the fruit of the fungus appearing as exceedingly minute dots on the diseased part. Halsted, New Jersey Agric. Exp. Sta. Rep., 1891. Fig. 127.—Phoma sanguinolenta. i, diseased carrot; 2, diseased carrot flowering stem ; 3, portion of a diseased spot showing perithecia with the conidia escaping as a viscid tendril ; 4, section of a perithecium with t Stock Photo")
RMT1HX34–Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] PHOMA 409 Phoma solani (Halsted) causes a 'damping off' of egg- plants. The disease attacks the seedHngs at the base of the stem, the fruit of the fungus appearing as exceedingly minute dots on the diseased part. Halsted, New Jersey Agric. Exp. Sta. Rep., 1891. Fig. 127.—Phoma sanguinolenta. i, diseased carrot; 2, diseased carrot flowering stem ; 3, portion of a diseased spot showing perithecia with the conidia escaping as a viscid tendril ; 4, section of a perithecium with t
RM2BD27PF–Foot rot (Didymella pinodella or Phoma pinodella) infection affecting the roots and stem base of pea plants
RM2DRXH9Y–Phoma leaf spot (Phoma betae) necrotic fungal disease lesions on a sugar beet leaf, Greece
RMMCKAHC–. Fici. 202. Longitudinal section of cedar showing effect of Fomes juniperinus. After von Schrenk. ities. Since they are caused by wound parasites, the removal of diseased trees and the destruction of sporophores is recommended. Cedar canker (Phoma sp.). — This canker is found on juniper and arbor-vitse. Injury apparently occurs only on trees under four years old. Prior to that age entire seed beds may be destroyed.
RM2BMBMAY–Gangrene (Phoma exigua var. foveata) fungal damage to the flesh of a potato tuber shown in cut section
RM2BMBMAP–Gangrene (Phoma exigua var. foveata) fungal damage to the flesh of a potato tuber shown in cut section
RM2AN3K65–Danish fungi as represented in the herbarium of ERostrup . astri, piniaustriaca and exiguum are the conidial stages of species of Hysteriineae. There are also accounts of the relations of a number of species tosome quite different forms of fungi imperfecti, viz: Lophium mytilinum corresp. Phragmotrichum Chailletii (see Tul. Carp. II 9).Hypodermella nervisequia — Septoria pini (see Lindau 08^^).Hypodermella sulcigena — Hendersonia acicola (Tub. &. Lager- berg 10^^°).Lophodermium melaleucum — Phoma leptidea (see Vleugel 11 ^*^). Hypodermella. 523. Hypodermella nervisequia (Fries) Lagerberg 10 ^^
RF2X34AWA–A branch of a linden (Tilia) tree with symptoms of disease - Canker, cancer. Golden Chain (Laburnum) Fusarium Canker. Caused by a complex of fungus.
RMPG44AR–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. DETAILED ACCOUNT OF SPECIFIC DISEASES OF PLANTS 513 thoroughly. So it has been with the black-rot fungus. The pycnidial stage on the grape leaves (Fig. 185) was called Phylloslicta labrusca, while on the fruit it was called Phoma uvicola. These have been determined to be merely stages of one and the same fungus, Guignardia Bidwellii. The mycelium of the black-rot fungus is never abundant in the outer portions of the berries where it is found. Here a stromatic mass of hyphae arises benea
RMT1HH37–Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taub Year: 1918 Fig. 20. Beet Diseases. a. Crown gall, b. scab, c. downy mildew, d. Conidiophore of Pernnospora schachlii arising from a stomate of an infected beet leaf, e. germinating zoospore of P. schach- lii, f. oospore of P. schachlii, g. Cercospora leaf spot (after Halsted), h. conidiophore and conidia of Cercospora belt cola (after Duggar), i. Phoma leaf spot (after Pool and McKay), k. pycnidium of Phoma beta; (after T. Johnson) (J.-/, after PriUieux).
RMMCK9T4–. FiG. 202. — Longitudinal section of cedar showing effect of Fomea juniperinus. After von Schrenk. ities. Since they are caused by wound parasites, the removal of diseased trees and the destruction of sporophores is recommended. Cedar canker (Phoma sp.). — This canker is found on juniper and arbor-vitae. Injury apparently occurs only on trees under four years old. Prior to that age entire seed beds may be destroyed.
RMAXJHJJ–Mal secco Phoma tracheiphila bark rermoved from a lemon tree to reveal extent of disease travel
RM2AJ5NY1–Fungous diseases of plants . es-ence of the fungus, unless the berries are attacked before they arehalf grown, when they may promptly shrivel and develop thepycnidia of the fungus. The fungus also affects the leaves, andwhen found upon these parts, brown spots, irregular in outline, 26o FUNGOUS DISEASES OF PLANTS are produced within which areas the pycnidia may be found.Cuttings may also be affected. The fungus. The pycnidial stage is a characteristic Phoma orPhyllosticta, lOO to i20/x in diameter, as shown in Fig. 113.These are distributed over the affected surfaces, and produceabundant conid
RMT9A1AF–Leaf blight (Phomopsis obscurans) common fungal disease causing a V-shaped lesion with pycnidia on a strawberry leaf
RMT9A1AD–Leaf blight (Phomopsis obscurans) common fungal disease causing a V-shaped lesion with pycnidia on a strawberry leaf
RMPG4CM3–. Diseases of truck crops and their control . Vegetables. Fig. 36, Turnip Diseases. a. and b. Anthracnose, c. cross section through acervulus, d. anthracnose spores, e. Cylindrosporium leaf spot, /. Phoma rot,- g. Sclerotinia rot (c. and d. after Higgins).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Taubenhaus, Jacob Joseph, 1884-1937. New York : E. P. Dutton & Co.
![Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 20. Beet Diseases. a. Crown gall, b. scab c. downy mildew, d. Conidiophore of Peroyiospora schachlii arising from a stomate of an infected beet leaf, e. germinating zoospore of P. schach- •/• °°?P.O''e 'f - schachlii, g. Cercospora leaf spot (after Halsted), h. conidiophore and conidia of Cercospora belicola (after Duggar), i. Phoma leaf spot (after Pool and McKay), k. pycnidium of Phoma belce (after T. Johnson) {d.-f. after PriUieux). Stock Photo](https://c8.alamy.com/comp/T1HH35/diseases-of-truck-crops-and-diseases-of-truck-crops-and-their-control-diseasesoftruckc00taubuoft-year-1918-fig-20-beet-diseases-a-crown-gall-b-scab-c-downy-mildew-d-conidiophore-of-peroyiospora-schachlii-arising-from-a-stomate-of-an-infected-beet-leaf-e-germinating-zoospore-of-p-schach-poe-f-schachlii-g-cercospora-leaf-spot-after-halsted-h-conidiophore-and-conidia-of-cercospora-belicola-after-duggar-i-phoma-leaf-spot-after-pool-and-mckay-k-pycnidium-of-phoma-belce-after-t-johnson-d-f-after-priuieux-T1HH35.jpg "Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 20. Beet Diseases. a. Crown gall, b. scab c. downy mildew, d. Conidiophore of Peroyiospora schachlii arising from a stomate of an infected beet leaf, e. germinating zoospore of P. schach- •/• °°?P.O''e 'f - schachlii, g. Cercospora leaf spot (after Halsted), h. conidiophore and conidia of Cercospora belicola (after Duggar), i. Phoma leaf spot (after Pool and McKay), k. pycnidium of Phoma belce (after T. Johnson) {d.-f. after PriUieux). Stock Photo")
RMT1HH35–Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 20. Beet Diseases. a. Crown gall, b. scab c. downy mildew, d. Conidiophore of Peroyiospora schachlii arising from a stomate of an infected beet leaf, e. germinating zoospore of P. schach- •/• °°?P.O''e 'f - schachlii, g. Cercospora leaf spot (after Halsted), h. conidiophore and conidia of Cercospora belicola (after Duggar), i. Phoma leaf spot (after Pool and McKay), k. pycnidium of Phoma belce (after T. Johnson) {d.-f. after PriUieux).
RMMCKWGP–. Fig. 65. Tomato Diseases. a. Various forms of vegetative cells of the yeast rot fungus, 6. ascus, .-. ascosporet of the yeast rot fungus (a. to c. after Schneider), d. Phoma rot on foliage, c. Phoma rot on fruit,/, pycnidium of the Phoma rot organism, g. cross-section of a pycnidium of the Phoma fungus, h. mycelium, «. pycnospores of same {d. to i. after Jamieson).
RM2AG9XJ1–. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. ices, spring-ing by their bases from a black spot; compacted mycelium,spores abundant, cylindrical, black, i—3 septate, slightlypointed at their extremities ; 10—30 nik. long, by 8—10mk. wide. Macro-conidia : Macrosporium lycopcysici.Yozz,well developed, black, septate, somewhat flexuous, pro- ^Si^ Fig. 123.—PHOMA DESTRUCTIVA. PERITltEClUM ANDSPORES HIGHLY MAGNIFIED. presence of Peronospora infestans. The fungus wasnot producing its conidiiphores very abundantly, butstill there it was without doub
![. The fungi which cause plant disease . Plant diseases; Fungi. 242 THE FUNGI WHICH CAUSE PLANT DISEASE oculations under all conceivable conditions, failed utterly of posi- tive results. From the Caucasus Prillieux and Delacroix "^ have described a Guignardia causing a black rot of grapes which is regarded as distinct from the usual American form, differing both in the peri- thecial and conidial stages. This is called G. baccae (Cav.) Jacz. Its conidial form Phoma reniformis eventually covers the whole berry with pustules. Two kinds of pycnidia are described. G. vaccinii Sh."^- " Stock Photo](https://c8.alamy.com/comp/PG46F6/the-fungi-which-cause-plant-disease-plant-diseases-fungi-242-the-fungi-which-cause-plant-disease-oculations-under-all-conceivable-conditions-failed-utterly-of-posi-tive-results-from-the-caucasus-prillieux-and-delacroix-quot-have-described-a-guignardia-causing-a-black-rot-of-grapes-which-is-regarded-as-distinct-from-the-usual-american-form-differing-both-in-the-peri-thecial-and-conidial-stages-this-is-called-g-baccae-cav-jacz-its-conidial-form-phoma-reniformis-eventually-covers-the-whole-berry-with-pustules-two-kinds-of-pycnidia-are-described-g-vaccinii-shquot-quot-PG46F6.jpg ". The fungi which cause plant disease . Plant diseases; Fungi. 242 THE FUNGI WHICH CAUSE PLANT DISEASE oculations under all conceivable conditions, failed utterly of posi- tive results. From the Caucasus Prillieux and Delacroix "^ have described a Guignardia causing a black rot of grapes which is regarded as distinct from the usual American form, differing both in the peri- thecial and conidial stages. This is called G. baccae (Cav.) Jacz. Its conidial form Phoma reniformis eventually covers the whole berry with pustules. Two kinds of pycnidia are described. G. vaccinii Sh."^- " Stock Photo")
RMPG46F6–. The fungi which cause plant disease . Plant diseases; Fungi. 242 THE FUNGI WHICH CAUSE PLANT DISEASE oculations under all conceivable conditions, failed utterly of posi- tive results. From the Caucasus Prillieux and Delacroix "^ have described a Guignardia causing a black rot of grapes which is regarded as distinct from the usual American form, differing both in the peri- thecial and conidial stages. This is called G. baccae (Cav.) Jacz. Its conidial form Phoma reniformis eventually covers the whole berry with pustules. Two kinds of pycnidia are described. G. vaccinii Sh."^- "
![Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 6i. Potato Diseases. a. Black wart (after Gussow), b. late blight on foliage, c. late blight on tuber, d. successive stages of the development of the conidia of Phyiophthora infestans (b. and d. after L. R. Jones), e. germination of conidia of Phytophlhora infestayis, bv means of zoopores (after Ward),/, mature oogonium of P. infestans (after Clinton)'. R. melters. surface view, early stage of infection, h. pycnidium of Phoma tuberose (after Melhus and Rosenbaum). Stock Photo](https://c8.alamy.com/comp/T1HY5W/diseases-of-truck-crops-and-diseases-of-truck-crops-and-their-control-diseasesoftruckc00taubuoft-year-1918-fig-6i-potato-diseases-a-black-wart-after-gussow-b-late-blight-on-foliage-c-late-blight-on-tuber-d-successive-stages-of-the-development-of-the-conidia-of-phyiophthora-infestans-b-and-d-after-l-r-jones-e-germination-of-conidia-of-phytophlhora-infestayis-bv-means-of-zoopores-after-ward-mature-oogonium-of-p-infestans-after-clinton-r-melters-surface-view-early-stage-of-infection-h-pycnidium-of-phoma-tuberose-after-melhus-and-rosenbaum-T1HY5W.jpg "Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 6i. Potato Diseases. a. Black wart (after Gussow), b. late blight on foliage, c. late blight on tuber, d. successive stages of the development of the conidia of Phyiophthora infestans (b. and d. after L. R. Jones), e. germination of conidia of Phytophlhora infestayis, bv means of zoopores (after Ward),/, mature oogonium of P. infestans (after Clinton)'. R. melters. surface view, early stage of infection, h. pycnidium of Phoma tuberose (after Melhus and Rosenbaum). Stock Photo")
RMT1HY5W–Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 6i. Potato Diseases. a. Black wart (after Gussow), b. late blight on foliage, c. late blight on tuber, d. successive stages of the development of the conidia of Phyiophthora infestans (b. and d. after L. R. Jones), e. germination of conidia of Phytophlhora infestayis, bv means of zoopores (after Ward),/, mature oogonium of P. infestans (after Clinton)'. R. melters. surface view, early stage of infection, h. pycnidium of Phoma tuberose (after Melhus and Rosenbaum).
RMMCKWGR–. Fig. 6i. Potato Diseases. a. Black wart (after Gussow), b. late blight on foliage, c. late blight on tuber, d. successive stages of the development of the conidia of Phyiophthora infestans (b. and d. after L. R. Jones), e. germination of conidia of Phytophlhora infestayis, bv means of zoopores (after Ward),/, mature oogonium of P. infestans (after Clinton)'. R. melters. surface view, early stage of infection, h. pycnidium of Phoma tuberose (after Melhus and Rosenbaum).
RM2ANAP0H–A text-book of mycology and plant pathology . spores are small, egg-shaped orelongated, unseptate and in color pale green, or hyaline, produced inpycnidia. The most important species of this genus are Phyllostictaampelopsidis on the Virginia creeper {Ampelopsis); catalpa on catalpaleaves; labrusccB on the leaves of the grape; pavice on horse chest-nut leaves (Fig. 102); Phyllosticta solitaria E. and E. (Figs. 103 and104) is the cause of apple blotch, and vtolce on violets. The conidio- 262 MYCOL(3GY spores in Phoma are colorless and unicellular. The pycnidia areblack with a terminal pore and d
RMPG0RCA–. The fungi which cause plant disease . Plant diseases; Fungi. 484 THE FUNGI WHICH CAUSE PLANT DISEASE epidermis, lenticular to globose, thin membranous, opening by a pore; conidia small, ovate to elongate, continuous, hyaline or green; conidiophore short or almost obsolete. On leaves. In part =Guignardia, Valsonectria, Mycosphserella. The genus is a very large one of some eight hundred forms, few of which have been adequately studied. It differs from Phoma only in that it is foliicolous while Phoma is caulicolous, a distinction which. Fia. 335.—P. solitaria. 1, section through apple; 4, spore
RMT1HTWJ–Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taub Year: 1918 Fig. 48. Diseases of Lima Bean. a. h. c. different stages of downy mildew on pods, d. tuft of conidiophores and conidia of Phythophthora phaseoli, e. same as d. but greatly enlarged, /. g. conidia germinating by means of a germ tube, h. i. j. k. germination of conidia by means of zoospores, /. germinating zoospores {d. to /. after Thaxter), m. n. fertilization of the oogonium by the antheridium, o. Phoma blight on foliage, p. Phoma blight on pods (o. and p. after Halsted), r. mature oospor
RMMCK687–. Fio. 203.—Phoma ahietina. Twig of Silver Fir show iiig the constriction characteristic of this disease dotted over with pycnidia. (After R. Hartig.) ^ Buhm (Zeifsch. f. Forst- u. Jacjd-wesen, 1896, p. 1.54) describes .and figures an attack of this parasite on Pseudotstuia Donglasii in North GermanJ^ One cannot, however, avoid suggesting some confusion between this and Ph. pithya described next. (Edit.) -E. Rostrup Undersoeqtlser over Snyltes vampes Angreb paa Skovtraeer, 188.3-1888.
RM2AG9XDX–. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. ducing abundantly sooty-black irregular pyriform osub-quadrate muriform spores, which vary in size from20—70 mk. long, by 10—20 mk. wide,* Stvlospokes : Phoma destrucUva.—Perithecia carbo-naceous, minute, globose, spherical clustered spores,hyaline, oval, cylindrical, binucleate, 5—6 mk. long, by1.5—I mk. wide. Another disease which sometimes but much morerarely attacks Tomatos while still growing is due toa Dactylium very closely allied to if not identicalwith D. roseum, B., from which it differs in
![. Diseases of truck crops and their control . Vegetables. Fig. 65. Tomato Diseases. a. Various forms of vegetative cells of the yeast rot fungus, 6. ascus, j. ascosporet of the yeast rot fungus (a. to c. after Schneider), d. Phoma rot on foliage, e. Phoma rot on fruit,/, pycnidium of the Phoma rot organism, g. cross-section of a pycnidium of the Phoma funpii?;. h. T^^'^elium, *. pycnospores of same (d. to »". after Jamieson).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illu Stock Photo](https://c8.alamy.com/comp/PG4CD4/diseases-of-truck-crops-and-their-control-vegetables-fig-65-tomato-diseases-a-various-forms-of-vegetative-cells-of-the-yeast-rot-fungus-6-ascus-j-ascosporet-of-the-yeast-rot-fungus-a-to-c-after-schneider-d-phoma-rot-on-foliage-e-phoma-rot-on-fruit-pycnidium-of-the-phoma-rot-organism-g-cross-section-of-a-pycnidium-of-the-phoma-funpii-h-telium-pycnospores-of-same-d-to-quot-after-jamieson-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illu-PG4CD4.jpg ". Diseases of truck crops and their control . Vegetables. Fig. 65. Tomato Diseases. a. Various forms of vegetative cells of the yeast rot fungus, 6. ascus, j. ascosporet of the yeast rot fungus (a. to c. after Schneider), d. Phoma rot on foliage, e. Phoma rot on fruit,/, pycnidium of the Phoma rot organism, g. cross-section of a pycnidium of the Phoma funpii?;. h. T^^'^elium, *. pycnospores of same (d. to »". after Jamieson).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illu Stock Photo")
RMPG4CD4–. Diseases of truck crops and their control . Vegetables. Fig. 65. Tomato Diseases. a. Various forms of vegetative cells of the yeast rot fungus, 6. ascus, j. ascosporet of the yeast rot fungus (a. to c. after Schneider), d. Phoma rot on foliage, e. Phoma rot on fruit,/, pycnidium of the Phoma rot organism, g. cross-section of a pycnidium of the Phoma funpii?;. h. T^^'^elium, *. pycnospores of same (d. to »". after Jamieson).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illu
![Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 30. Cabbage Diseases. a. Club root (after Cunningham), b. cell filled with spores of the club root or- ganism, c. spores and swarm spores of Plasmodiophora brassica (b. and c. after Chuff), d. black rot of cabbage (after F. C. Stewart), c. individual black rot germs of Pseudomonas campeslris, f. black-leg on young cabbage seedling, g. black-leg lesion on foot of older cabbage plant, h. black-leg lesion on cabbage leaf, i. pycnidium of Phoma oleracecE.j. pycnospores of P. olcrace Stock Photo](https://c8.alamy.com/comp/T1HN6X/diseases-of-truck-crops-and-diseases-of-truck-crops-and-their-control-diseasesoftruckc00taubuoft-year-1918-fig-30-cabbage-diseases-a-club-root-after-cunningham-b-cell-filled-with-spores-of-the-club-root-or-ganism-c-spores-and-swarm-spores-of-plasmodiophora-brassica-b-and-c-after-chuff-d-black-rot-of-cabbage-after-f-c-stewart-c-individual-black-rot-germs-of-pseudomonas-campeslris-f-black-leg-on-young-cabbage-seedling-g-black-leg-lesion-on-foot-of-older-cabbage-plant-h-black-leg-lesion-on-cabbage-leaf-i-pycnidium-of-phoma-oleracecej-pycnospores-of-p-olcrace-T1HN6X.jpg "Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 30. Cabbage Diseases. a. Club root (after Cunningham), b. cell filled with spores of the club root or- ganism, c. spores and swarm spores of Plasmodiophora brassica (b. and c. after Chuff), d. black rot of cabbage (after F. C. Stewart), c. individual black rot germs of Pseudomonas campeslris, f. black-leg on young cabbage seedling, g. black-leg lesion on foot of older cabbage plant, h. black-leg lesion on cabbage leaf, i. pycnidium of Phoma oleracecE.j. pycnospores of P. olcrace Stock Photo")
RMT1HN6X–Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 30. Cabbage Diseases. a. Club root (after Cunningham), b. cell filled with spores of the club root or- ganism, c. spores and swarm spores of Plasmodiophora brassica (b. and c. after Chuff), d. black rot of cabbage (after F. C. Stewart), c. individual black rot germs of Pseudomonas campeslris, f. black-leg on young cabbage seedling, g. black-leg lesion on foot of older cabbage plant, h. black-leg lesion on cabbage leaf, i. pycnidium of Phoma oleracecE.j. pycnospores of P. olcrace
![. Fig. 20. Beet Diseases. a. Crown gall, b. scab c. downy mildew, d. Conidiophore of Peroyiospora schachlii arising from a stomate of an infected beet leaf, e. germinating zoospore of P. schach- •/• °°?P.O'"e "f ^- schachlii, g. Cercospora leaf spot (after Halsted), h. conidiophore and conidia of Cercospora belicola (after Duggar), i. Phoma leaf spot (after Pool and McKay), k. pycnidium of Phoma belce (after T. Johnson) {d.-f. after PriUieux). Stock Photo](https://c8.alamy.com/comp/MCKWMT/fig-20-beet-diseases-a-crown-gall-b-scab-c-downy-mildew-d-conidiophore-of-peroyiospora-schachlii-arising-from-a-stomate-of-an-infected-beet-leaf-e-germinating-zoospore-of-p-schach-poquote-quotf-schachlii-g-cercospora-leaf-spot-after-halsted-h-conidiophore-and-conidia-of-cercospora-belicola-after-duggar-i-phoma-leaf-spot-after-pool-and-mckay-k-pycnidium-of-phoma-belce-after-t-johnson-d-f-after-priuieux-MCKWMT.jpg ". Fig. 20. Beet Diseases. a. Crown gall, b. scab c. downy mildew, d. Conidiophore of Peroyiospora schachlii arising from a stomate of an infected beet leaf, e. germinating zoospore of P. schach- •/• °°?P.O'"e "f ^- schachlii, g. Cercospora leaf spot (after Halsted), h. conidiophore and conidia of Cercospora belicola (after Duggar), i. Phoma leaf spot (after Pool and McKay), k. pycnidium of Phoma belce (after T. Johnson) {d.-f. after PriUieux). Stock Photo")
RMMCKWMT–. Fig. 20. Beet Diseases. a. Crown gall, b. scab c. downy mildew, d. Conidiophore of Peroyiospora schachlii arising from a stomate of an infected beet leaf, e. germinating zoospore of P. schach- •/• °°?P.O'"e "f ^- schachlii, g. Cercospora leaf spot (after Halsted), h. conidiophore and conidia of Cercospora belicola (after Duggar), i. Phoma leaf spot (after Pool and McKay), k. pycnidium of Phoma belce (after T. Johnson) {d.-f. after PriUieux).
RM2AN3F9P–Danish fungi as represented in the herbarium of ERostrup . ed, blood-red cirrhi. Common and very noxious on cultivated Daucus carota, found for thefirst time at Fredrikssund 1887. Out of Denmark only recorded from Schles-wig and the Island Als. 2140. Phoma leptidea (Fries) Sacc, Syll. Ill Syn: Sphaerialept. Fries S. M. II ^ Phyllosticta lept. All. VP Vaccinium vifis idaea. S. Hornbaek Plantage. July. 2141. Phoma rhodorae Cooke, Syll. X^«. Peritheciis epiphyllis, sparsis, atro-nitidis, gregariis, imersis, epider-mide initio tectis, eadem demum stellatim rupta cinctis, apice poropertusis; spo
![. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 493 one on snapdragon,^^ another on Clematis roots,** and one on ap- ple*"^ Phomopsis Saccardo " (p. 482) As in Phoma, but with hooked conidiophores. A small genus. P. aloeapercrassee Trinch. is reported on scapes and flowers of the aloe in Italy. P. stewartii Pk. Perithecia gregarious, commonly occupying grayish or brown spots, thin, subcutaneous, at length erumpent, depressed, minute, Is- 12 xaxsx. broad, black; spores of two kinds, first; filiform, curved, flexuous or vmcinate, hyali Stock Photo](https://c8.alamy.com/comp/PG0RBH/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-493-one-on-snapdragon-another-on-clematis-roots-and-one-on-ap-plequot-phomopsis-saccardo-quot-p-482-as-in-phoma-but-with-hooked-conidiophores-a-small-genus-p-aloeapercrassee-trinch-is-reported-on-scapes-and-flowers-of-the-aloe-in-italy-p-stewartii-pk-perithecia-gregarious-commonly-occupying-grayish-or-brown-spots-thin-subcutaneous-at-length-erumpent-depressed-minute-is-12-xaxsx-broad-black-spores-of-two-kinds-first-filiform-curved-flexuous-or-vmcinate-hyali-PG0RBH.jpg ". The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 493 one on snapdragon,^^ another on Clematis roots,** and one on ap- ple*"^ Phomopsis Saccardo " (p. 482) As in Phoma, but with hooked conidiophores. A small genus. P. aloeapercrassee Trinch. is reported on scapes and flowers of the aloe in Italy. P. stewartii Pk. Perithecia gregarious, commonly occupying grayish or brown spots, thin, subcutaneous, at length erumpent, depressed, minute, Is- 12 xaxsx. broad, black; spores of two kinds, first; filiform, curved, flexuous or vmcinate, hyali Stock Photo")
RMPG0RBH–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 493 one on snapdragon,^^ another on Clematis roots,** and one on ap- ple*"^ Phomopsis Saccardo " (p. 482) As in Phoma, but with hooked conidiophores. A small genus. P. aloeapercrassee Trinch. is reported on scapes and flowers of the aloe in Italy. P. stewartii Pk. Perithecia gregarious, commonly occupying grayish or brown spots, thin, subcutaneous, at length erumpent, depressed, minute, Is- 12 xaxsx. broad, black; spores of two kinds, first; filiform, curved, flexuous or vmcinate, hyali
RMT1HN6W–Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taub Year: 1918 Fig. 30. Cabbage Diseases. a. Club root (after Cunningham), b. cell filled with spores of the club root or- ganism, c. spores and swarm spores of Plasmodiophora brassicce (b. and c. after Chuff), d. black rot of cabbage (after F. C. Stewart), e. individual black rot germs of Pseudomonas campeslris, f. black-leg on young cabbage seedling, g. black-leg lesion on foot of older cabbage plant, h. black-leg lesion on cabbage leaf, /. pycnidmm of Phoma oleracece, j. pycnosporvs of P. okracece (/'
RMMCKWPT–. Fig. 20. Beet Diseases. a. Crown gall, b. scab, c. downy mildew, d. Conidiophore of Pernnospora schachlii arising from a stomate of an infected beet leaf, e. germinating zoospore of P. schach- lii, f. oospore of P. schachlii, g. Cercospora leaf spot (after Halsted), h. conidiophore and conidia of Cercospora belt cola (after Duggar), i. Phoma leaf spot (after Pool and McKay), k. pycnidium of Phoma beta; (after T. Johnson) (J.-/, after PriUieux).
RM2AWKGN1–Journal of agricultural research . Journal of Agricultural Research Vol. VI, No.2 Citrus Canker Plate XI. Journal of Agricultural Research Vol. VI, No. 2 PLATE XI Fig. I.—Cankers on old grapefruit leaves which have enlarged during the secondgrowing season. Fig. 2.—Citrus canker resulting from immersion of leaves in a bacterial suspension.Lesions involving a large part of the lower leaf surface are thus formed. Fig. 3.—Culture of Phoma socia showing pycnidial formation in concentric rings. Fig. 4.—Dilution poured plate of Pseudomonas citri on green-bean agar. The spotson the colonies are the re
RMPG412R–. Manual of fruit diseases . Fruit. APPLE DISEASES 89 are arranged radially about it. These are the fruiting pustules of the causal pathogene. On yellow varieties like the Yellow Bellflower and Tolman Sweet the spots are at first almost a carmine red. Later they turn brown in color. This change in color may occur while the apple still hangs on the tree, particu- larly if the weather is wet for a few weeks prior to harvesting; or the change may be delayed until the fruit is stored. Spots on affected fruit increase but little in size when placed in cold storage. Cause. The fungus Phoma pomi prod
RMRYT706–Dr L Rabenhorst's Kryptogamen-Flora von Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . drlrabenhorstskr16rabe Year: 1901 0Ö b a D. Phoma Brassicae Thünien. a. Ein Durchschnitt des Fruchtgehäuses. }). Zwei Sporen; beides sehr vergrössert. Nach Delacroix, Travaux du Laboratoire de pathologie vegetale Institut agronomique. E. Phoma errabunda Desm. Ann. Sc. Nat. 1849. p. 282. o. Ein Theil des Stengels von Verbascum Tapsus mit dem Pilze in natürlicher Grösse, ö. Ein Fruchtgehäuse, theil weise von der Epidermis bedeckt, mit einigen ausgetretenen Sporen, c. Eine
RMMCKC5K–. Fig. 127.—Phoma sanguinolenta. i, diseased carrot; 2, diseased carrot flowering stem ; 3, portion of a diseased spot showing perithecia with the conidia escaping as a viscid tendril ; 4, section of a perithecium with the conidia oozing out in a tendril. Figs. 1 and 2 reduced; remainder mag. Phoma solanicola (Prill, and Del.) attacks the haulm of the potato, forming large, oblong, whitish or clear yellow spots, which eventually become dotted over with the minute, blackish perithecia of the fungus. When the lateral branches are attacked the leaves soon wither, and when several branches are att
Search Results for Phoma Stock Photos and Images (195)
Page 1 of 2