Quick filters:
Page 1 of 2
Ascochyta Stock Photos and Images
RF2K9741W–3D image of Pisatin skeletal formula - molecular chemical structure of phytoalexin isolated on white background
RFE17B1D–Clematis wilt “Phoma clematidina” (formerly Ascochyta clematidina)dieback. Alpine Clematis 'Ruby'
RM2K0Y0YF–Phytopathology. Broun spotting of apple leaves (ascochytosis, Ascochyta blight) plant disease is caused by fungi of the genus Ascochyta. Ultra-macro
RMA9XDJR–common snowberry, waxberry (Symphoricarpos albus, Symphoricarpos racemosus), fungal disease with Ascochyta grandispora
RM2AKRRTK–Annual report of the North Carolina Agricultural Experiment Station . Fig. 13.— Ascochyta Chrvsanthenfi Stevens; portion of colony showing few pycnidia; cf.Fig. 14.
RMPG3W0W–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. ASCOCHYTA. 473. U8 this fungus is injurious to Pisum sativum, Phaseolus vulgaris, Vicia sativa, etc. It causes spots on leaves and pods, followed by- drying up of the former and deformation of the latter. The pycnidia appear as tiny points on the spots, and give out bicellular cylindrical conidia. As. Boltshauseri Sacc.^ This species was first observed in Switzerland on bean {Plia- seolus vulgaris). Leaves of all ag
RMT1HYK6–Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplant00tube Year: 1897 ASCOCHYTA. 473
RFE17B5B–Clematis wilt 'Phoma clematidina' (formerly Ascochyta clematidina)dieback. Alpine Clematis 'Ruby'
RM2J2A695–Phytopathology. Broun spotting of apple leaves (ascochytosis, Ascochyta blight) plant disease is caused by fungi of the genus Ascochyta. Ultra-macro
RMA9XDJP–common snowberry, waxberry (Symphoricarpos albus, Symphoricarpos racemosus), fungal disease with Ascochyta grandispora
RM2AX336R–Bulletin . Développement des Slysanus. BULL, de la SOC. MYC. de FRANCE T. XIX, Pl. 14.. I Meliùla Lippitc. —IV. Ascochyta Keniiœ. — II. Plco.spora Kcnthc. — III. Phylloslicta owaridnsii). —V. Slar;onospora Ken lise. — VI. Bolryodiplodia digitaux. —VII. Nonmriva prasina. BULL, dz la SOC. MYC. de FRANCE T. XIX, Pl. 1
RM2GJ5CWE–Ascochyta leaf spot or leaf blight (Ascochyta hordei) f ungal disease lesions on the periphery of barley leaves
RFE17AYN–Clematis wilt “Phoma clematidina” (formerly Ascochyta clematidina) dieback. Alpine Clematis 'Ruby'
RM2JYD9H1–Phytopathology. Broun spotting of apple leaves (ascochytosis, Ascochyta blight) plant disease is caused by fungi of the genus Ascochyta. Ultra-macro
RMPG45B8–. Diseases of economic plants . Plant diseases. OBNAMENTAL PLANTS 463 Ascochytose, ray blight (Ascochyta chrysanthemi Stevens). — In this disease, described by Stevens' as doing consider- able damage in North Caro- lina, the ray flowers are blighted, resulting in im- perfect opening of the buds. Thorough spraying with Bordeaux mixture from the beginning of the season un- til blossoming, accompanied by destruction of infected refuse, has proved a satis- factory treatment. Powdery mildew (Oidium chrysanthemi Rbh. of Ery- siphe cichoracearum DC). — This mildew occurs as white, flour-like spots up
RMT1HYMK–Diseases of plants induced by Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith diseasesofplants00tubeuoft Year: 1897 ASCOCHYTA. 473
RMMCKANP–. Fig. 163. — Alfalfa plant and dodder. After Stewart and others. French and Wilson': Unlike the ascochyta leaf spot, this disease attacks chiefly green leaves in the upper part of the plant. The spots are circular, 1-3 mm. in diameter, and usually light brown with a narrow border of dark 1 Stewart, French and Wilson, I.e.
RM2AKRP00–Annual report of the North Carolina Agricultural Experiment Station . 14.—Ascochyta Chrysanthemi Stevens; portion of colony showing many pycnidia;cf. Fig. 13. VARIATION OF FUNGI DUE TO ENVIRONMENT. 61 of agar after the agar first plated had set, did not change the proportion ofthe two types. Nor did sowing in such way that the spores were at thebottom rather than at the top of the agar change results. There was amarked tendency of colonies of both types of the fungus to become moreproductive of large pycnidia where two different colonies approach each other,suggesting that there might be neede
RFE17B35–Clematis wilt “Phoma clematidina” (formerly Ascochyta clematidina)dieback. Alpine Clematis 'Ruby'
RM2KF7BE0–Phytopathology. Broun spotting of apple leaves (ascochytosis, Ascochyta blight) plant disease is caused by fungi of the genus Ascochyta. Ultra-macro
RMPFHAN2–. Dansk botanisk arkiv. Plants; Plants -- Denmark. s 30 Dansk Botanisk Arkiv, Bd. 2. Nr. 5. *Ascochyta crataegicola Allesch. Paa Frugter af Crataegus monogyna. S. Jægersborg Dyrehave. Sporerne i mine Exemplarer var lidt større end af Allescher an- givet, nemlig 17—20 X 2—4//. Ascochyta menyanthis Oud. Paa levende Blade af Menyanthes tri- foliata. S. Søndersøen, Aug. 1889. Diplodina Salicis West. Paa Grene af Salix sp. S. Damhussoen, Marts 1903. *Diplodiiia acerum Sacc. et Br. Paa nedfaldne Frugter af Acer pseudo- platanus. S. Ermelunden, Nov. 1910. *Diplodina helianthi Fautr. Paa døde Stængler
RMT1GP6N–Diseases of truck crops Diseases of truck crops / Ralph E. Smith diseasesoftruckc119smit Year: 1940 Diseases of Truck Crops 63 true rust, and breaks out in small, red, spore pustules on the leaves and stems (fig. 30). It also attacks broad bean, but is not important. Septoria Leaf Spot, Leaf Blotch.—The affected leaves become spotted with indefinite, yellow to brown blotches and are blighted much as in ascochyta blight. Pods and seeds may become infected with this fungus
RMMCK9X6–. Fig. 163. — Alfalfa plant and dodder. After Stewart and others. French and Wilson*: Unlike the ascochyta leaf spot, this disease attacks chiefly green leaves in the upper part of the plant. The spots are circular, 1-3 mm. in diameter, and usually light brown with a narrow border of dark 1 Stewart, French and Wilson, I.e.
RM2AKT4GA–Annual report of the North Carolina Agricultural Experiment Station . nts,2 to agencies other thanlight, probably food, and to resting periods and to mycelial crowding.3 Ascochyta chrysanthemi Stevens. With the fungus in question the fact that the zones are not due to light ortemperature relations is apparent from the fact that they do not coincide withthe fluctuations of these two factors (Fig. 6). In the colony shown, which isthat of a plate culture kept at room temperature, there was daily changefrom warm to cool, light to dark, yet the number of rings does not coin-cide with the number of
RMT1HB3C–Diseases of field crops in Diseases of field crops in the Prairie Provinces disoffieldcrop Year: 1957 DISEASES OF FIELD CROPS Figure 26.—Pea seeds affected by bacterial blight. Note watersoaked areas. Ascochyta Blight Ascochyta pisi, A. pinodella, and Mycosphaerella pinocles Ascochyta blight is caused by one or more of the fungi named above. This disease is widespread and, occasionally, has been a serious threat to the seed and green-pea industries in areas of abundant moisture. Appearance—Somewhat similar though distinguishable, symptoms are caused by the three parasites. The leaf spots
RMMAAH8R–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Ascochyta Feuilleauboisseana Sacc. et Eoum. a. Theil eines Rubus-Blattes mit dem Pilze in natürlicher Grösse. h. Ein schwach vergrösserter Durch- schnittt durch ein Fruchtgehäuse. c. Stark vergrösserte Sporen. Alles nach Saccardo u. Eoumeguere, Reliq. Libert. Ser. IV, tab. 42, fig. 12 in Eev. myc. 1884.
RM2AXJHEE–Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . to Professor L. H.Bailey, it may be prevented by spraying with sulphideof potassium (one-fourth ounce to a gallon of water)about twice a week. Probably the ammoniacal coppercarbonate solution, or other copper fungicides, wouldprove equally effective. r THE PETUNIA BLIGHT 125 The Petunia Blijjht Ascochyta petunice Petunia leaves are sometimes affected by a blight,which is likely to begin near the center and to spread inall directions. Sometimes rings are pro
RMT1HYBN–Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 ORNAMENTAL PLANTS 463 Ascochytose, ray blight (Ascochyta chrysanthemi Stevens). — In this disease, described by Stevens1 as doing consider- able damage in North Caro- lina, the ray flowers are blighted, resulting in im- perfect opening of the buds. Thorough spraying with Bordeaux mixture from the beginning of the season un- til blossoming, accompanied by destruction of infected refuse, has proved a satis- factory treatment. Powdery mildew (Oidium chrysanthemi Rbh. of Ery- siphe cichoracearum DC).
RMMAAH8T–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Ascochyta Hesperidearum Penzig. a. Ein abgefallenes Blatt von Citrus Limonum mit dem Pike in natürlicher Grösse. b. Ein solches von Limonia australis. c. Zwei schwach vergrösserte, d. zwei sehr stark vergrösserte Fruchtgehäuse. e. Sehr stark vergrösserte Sporen. Alles nach Saccardo, Fungi ital. del. Tafel 1184.
RM2AKRR4C–Annual report of the North Carolina Agricultural Experiment Station . Fig. 13.— Ascochyta Chrvsanthenfi Stevens; portion of colony showing few pycnidia; cf.Fig. 14.. Fig. 14.—Ascochyta Chrysanthemi Stevens; portion of colony showing many pycnidia;cf. Fig. 13. VARIATION OF FUNGI DUE TO ENVIRONMENT. 61 of agar after the agar first plated had set, did not change the proportion ofthe two types. Nor did sowing in such way that the spores were at thebottom rather than at the top of the agar change results. There was amarked tendency of colonies of both types of the fungus to become moreproductive of
RMT1H8AD–Diseases of truck crops Diseases of truck crops / Ralph E. Smith diseasesoftruckc119smit Year: 1940 . Fig. 29.—Pea pods showing Ascochyta spots. the inner pod wall, like the growth of a mold. Downy mildew is some- times very abundant in the spring after cool wet weather, and may also appear in the fall crop in fields subject to heavy coastal fogs. Spraying with bordeaux mixture 4—4-50 (p. 100) before downy mildew develops is said to prevent it, but in most districts it does not appear often enough to warrant doing this every year. No treatment is effective after mildew is seen. Fusarium
RMMCKW97–. Figure 26.—Pea seeds affected by bacterial blight. Note watersoaked areas. Ascochyta Blight Ascochyta pisi, A. pinodella, and Mycosphaerella pinocles Ascochyta blight is caused by one or more of the fungi named above. This disease is widespread and, occasionally, has been a serious threat to the seed and green-pea industries in areas of abundant moisture. Appearance—Somewhat similar though distinguishable, symptoms are caused by the three parasites. The leaf spots caused by M. pinodes are purplish with indefinite margins. Fusion of the spots results in irregular brownish-purple blotches. The
RM2AG334M–. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. are insuflicientto prove the presence of a fungus. If thesymptoms become worse you had better sendus more specimens. Violets Diseased : J. L. Your plants areaffected with a fungus, Ascochyta viol».Spray the plants with a solution of potassixxmsulphide—1 oz. to 3 gallons of water—everyfortnight. When planting new beds select afresh stock from a distance, and plant on a newsite in the garden. See Gardeners Chroniclefor November 5, 1904, p. 328. Communications Received.—Miss Webb (your letterhas been fo
RMT0DCNX–Dr L Rabenhorst's Kryptogamen-Flora von Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz drlrabenhorstskr0107rabe Year: 1903 Persica 488 Gloeosporium Saccardo bemerkt in Syll. X. p. 446: Nach Southworth in Journ. Myc. VI. p. 164 stellen Gloeosporium fructigenum Berk. (auf Früchten von Pirus com- munis in Grossbritannien), Gloeosporium laeticolor Berk. (auf Früchten von Persica in Grossbritannien), Gloeosporium versicolor Berk. et Cooke (auf Früchten von Pirus Malus in Carolina) und Ascochyta rufo - maculans Berk. (an Trauben in Grossbritannien) eine und diese
RMMCKC4T–. FiG. 133.—Ascochytaaspidistrac. i, on portion of a leaf of.ispuiis/ra liirida ; 2, perithecia of the fungus bursting through the e|3iderniis of the leaf, mag; 3, section of a peritheciuni, mag ; 4, spores, higlily mag. ing minute cavities with a raised border. The conidia are very numerous, hyaline, elliptic-oblong, i-septate, smooth, 18-24x5-7 /x. Diseased portions should be removed and burned. ASCOCHYTA (Lir..) Perithecia minute, generally immersed in the substance of bleached spots on leaves or twigs, with a terminal pore; i-septate, hyaline.
RM2ANH9TF–Annual report . +* z A, » <. Fig. 1-8CORTINARIUS CROCEOFOL/IUS Pk. SAFFRON GUtKD CORTINARIUS Fig. 9-15CLITOCYBE BIFORMIS Pk. TWO FORMED CLITOCYBE INDEX Abies balsamea, 29. Agaricus campester americanus, 50. floridanus, 50.Amanita bisporigera, 23. floccocephala, 23. phalloides, 23. velatipcs, 23.Ascochyta menyanthis, 23.Aspergillus glaucus, 30. subgriseus, 30.Aster laevis, 42. puniceus, 35. undulatus loriformis, 42.Aulographum ledi, 23.Averyville marsh, 69-73; list of plants in, 72-73. Basidiophora kellermanii pauper- cula, 64.Biatora coarctata, 24.Boletinus paluster, 42.Boletus albocarneus,
RMMAAH90–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Ascochyta Diplodina Berl. et Bresad. a. Ein Epheublatt mit dem Pilze in natürlicher Grösse. 6. Ein vergr. Fruchtgehäuse von oben. c. Durchschnitt eines Frucht- gehäuses, stark vergi'össert. d. Freie, sehr stark vergr. Sporen. Alles nach Berlese et Bresadola, Microm. Tridentini Taf. VI, fig. 7. Sporen von Ascochyta Iridis Gudemans Nach Oudcm., Contr. Myc. XIII. p. 46, tab. 9, fig. 27.
RM2AKRJDF–Annual report of the North Carolina Agricultural Experiment Station . Collecting the data from thelarge pycnidium type in onepolygon, and similarly with thesmall pycnidium type, we have: M= 4.1935 ±0.0247(T= 1.0902 ±0.0174 V.=25.998 ±0.443n=889 Fig. 22.—Ascochyta Chrysanthemi Stevens.gon of spores of large pycnidia. Poly- M= 5.0379 ±0.0335<r= 1.3492 ±0.0237C. V.=26.781 ±0.503n=738 It is seen that there isa tendency throughoutfor the smaller pycnidiato produce larger sporesthan areproduced by thelarge pycnidia. Fig. 23.—Ascochyta Chrysanthemi Stevens,spores of small pycnidia. THIRTY-SECOND A
RMMCK9Y9–. 12 3 4 Fig. 168. — Four alfalfa leaf-spots due to: 1, Ascochyta; 2, Pseudope- ziza; 3, Cercospora; 4, Stagonospora. After Stewart and others. considerable. The plants are never killed by this disease, though young fields which have not yet become well estab- lished may be ruined. Its mode of dissemination is unknown, and seed treatment is useless as a preventive. The only practicable treatment is to mow down badly diseased plants with the hope that the new shoots which spring forth may overcome the disease. If the disease appears just before cutting time, the mowing should be hastened a few
RM2AX325R–Bulletin . I Meliùla Lippitc. —IV. Ascochyta Keniiœ. — II. Plco.spora Kcnthc. — III. Phylloslicta owaridnsii). —V. Slar;onospora Ken lise. — VI. Bolryodiplodia digitaux. —VII. Nonmriva prasina. BULL, dz la SOC. MYC. de FRANCE T. XIX, Pl. 1. I. Ptcoxporu poUjir.nrpha. — II. Fleospora evonymella. — III. Hypocrea Agaves.IV. P/tyllnsiicl-t Agaves. — V. Coniothyrium Atriplicis. —VI Uiplodia ubiegna. — VII. Catnarosporinni tfalimi. — VIII. HendersoirtttAgave*. — IX. Onspora albn cinerascens. — X. Acladium candie!mu. Hote sur /Inocybe repanda Bull, et /Inocybe hiulca Fries. Par L. ROLLAND. Fries, en
RMMCKWF0–. Fig. 29.—Pea pods showing Ascochyta spots. the inner pod wall, like the growth of a mold. Downy mildew is some- times very abundant in the spring after cool wet weather, and may also appear in the fall crop in fields subject to heavy coastal fogs. Spraying with bordeaux mixture 4—4-50 (p. 100) before downy mildew develops is said to prevent it, but in most districts it does not appear often enough to warrant doing this every year. No treatment is effective after mildew is seen. Fusarium Wilt.—Plants affected by wilt become stunted and turn yellow, the leaves curl, and the plants die. The dis
RM2AKRKF9–Annual report of the North Carolina Agricultural Experiment Station . Fig. 17.—Ascochyta Chrysanthemi Ste-vens. Polygon of spores from pycnid-ium No. 2, large type. M= 4.4318 ±0.0398o-= .9589 ±0.0281C. V =21.638 ±0.650n =254 Pycnidium No. 3. From a plate bearingone large colony. The whole colony wascharacteristically one of few pycnidia whichwere of large type and light color. Thespores were obtained without any possibilityof the pycnidium being torn, that is, theywere normally ripe spores. M= 3.3848 ±0.0245o= .6714 ±0.0173C. V =19.836 ±0.531n=343 It is seen that these threeseparate pycnidia o
RMMAAH6X–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Yon der Gattung Septoria unterscheidet sich diese Gattung wie die Gattung Phoma von der Gattung Phyllosticta und wie die Gattung Diplodina von der Gattung Ascochyta. Die Gattungen Phyllosticta, Ascochyta und Septoria sind stets blattbewohnend und meist fleckenbildend, während Phoma, Diplodina und Ehabdospora nie ausschliesslich blattbewohnend und nur höchst selten flecken- bildend sind. Es mussten also mehrere Arten, welche bisher bei Septoria aufgeführt wurden, zu Ehabdospora gebracht werden, weil sie Aeste
RM2AKRGNR–Annual report of the North Carolina Agricultural Experiment Station . Fig. 26.—Ascochyta Chrysanthemi Stevens.Polygon of spores from cba+sodium asparag-inate+starch. VARIATION OF FUNGI DUE TO ENVIRONMENT. Cba +1 per cent glucose. Thiswas a remarkable colony with sporesdistinctly smoky or olivaceous. M= 5.1422 + 0.0408o = .9214 + 0.0289. C. V.=17.919rc=232 : 0.579 Fig. 27.—Ascochyta Chrysanthemi Stevens.Polygon of spores from cba+sodium asparagi-nase* glucose. Plated thickly in 4 per cent pea M= 4.3246 + 0.0392o-= 1.0138 + 0.0277C. V.=23.442 +0.674r?=350
RMMAAH8J–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Ascochyta Diplodina Berl. et Bresad. a. Ein Epheublatt mit dem Pilze in natürlicher Grösse. h. Ein vergr. Fi'iichtgehäuse von oben. c. Durchschnitt eines Frucht- gehäuses, stark vergrössert. d. Freie, sehr stark vergr. Sporen. Alles nach Berlese et Bresadola, Microm. Tridentini Taf. VI, fig. 7. bedeckt, von parenchymatischcm, russfarbigem Gewebe, am Scheitel deutlich und ziemlich breit durchbohrt, 300—350 /( im Durchmesser; Sporen sehr zahlreich, cylindrisch, in der Mitte mit einer unechten Scheidewand, 10 —
RM2AKRM74–Annual report of the North Carolina Agricultural Experiment Station . Fig. 16.—Ascochyta Chrysanthemi Stevens.Polygon of spores from pycnidium No. 1, largetype. 3 should cover 20 squares instead of 25. division equal 3.7 jjl. VARIATION OF FUNGI DUE TO ENVIRONMENT. Pycnidium No. 2. Large type.. Fig. 17.—Ascochyta Chrysanthemi Ste-vens. Polygon of spores from pycnid-ium No. 2, large type. M= 4.4318 ±0.0398o-= .9589 ±0.0281C. V =21.638 ±0.650n =254 Pycnidium No. 3. From a plate bearingone large colony. The whole colony wascharacteristically one of few pycnidia whichwere of large type and light co
RMMAAH87–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Sporen von Diplodina Atriplicis Vestergren; stark vergrössert. Nach Vestergren, Bidr. tili. Kenned. Gotlands Svampflora Fig. 4. & 0 K CD Sporen von Diplodina Fraxini (Oudem.); sehr stark vergrössert. Nach Oudemans, Contr. Myc. XIII. Taf. 9, Fig. 26. Sporen von Diplodina Hyoscyami Vestergren; stark vergrössert. Nach Vestergren, Bidr. tili. Kenned. Gotlands Svampflora Fig. 5. Diplodina Pallor (Berkeley) Allesch. Syn. Ascochyta Pallor Berkeley. a. Sporen, wenig vergrössert. h. Sehr stark vergrösserte Sporen
RM2AKRFMW–Annual report of the North Carolina Agricultural Experiment Station . Fig. 28.—Ascochyta Chrysanthemi Stevens.Polygon of spores from 4 per cent pea agar. TTTi 111; j j m h 11 mil 111! 111111111 [-{! Cowpea agar. M= 4.8657 + 0.0545<r= 1.1885 + 0.0386C. V.=24.427 ±0.839n—214 Fig. 29.—Ascochyta Chrysanthemi Stevens. Polygonof spores from cowpea agar. It is seen that on these different media the mode varies materially, being low onpure agar, higher on cba+sodium asparaginate, and still higher when glucose orstarch is added. The mode is high also in natural media, such as pea agar andcowpea agar
![. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . riiyHostieta Magnoliae Saccardo. a. Ein Theil des Blattes mit dem Pilze in natürlicher Grösse, b. Ein Erucht- gehäuse von oben gesehen, c. Querschnitt eines Frucht- gehäuses, (l. Sporen, (b, c u. d stark vergrössort. Alles nach Briosi und Cavara.) Die Gattung Phyllosticta (phyllon = Blatt; stictos = punktirt) mit ihren sehr zahlreichen Arten (Saccardo führt in „Sylloge fungorum omnium hucusque cognitorum" 686 Species auf), steht der Gattung Ascochyta bezüglich der Sporen sehr nahe. Bas trennende Merkmal Stock Photo](https://c8.alamy.com/comp/MAAHCX/dr-l-rabenhorsts-kryptogamen-flora-von-deutschland-oesterreich-und-der-schweiz-riiyhostieta-magnoliae-saccardo-a-ein-theil-des-blattes-mit-dem-pilze-in-natrlicher-grsse-b-ein-erucht-gehuse-von-oben-gesehen-c-querschnitt-eines-frucht-gehuses-l-sporen-b-c-u-d-stark-vergrssort-alles-nach-briosi-und-cavara-die-gattung-phyllosticta-phyllon-=-blatt-stictos-=-punktirt-mit-ihren-sehr-zahlreichen-arten-saccardo-fhrt-in-sylloge-fungorum-omnium-hucusque-cognitorumquot-686-species-auf-steht-der-gattung-ascochyta-bezglich-der-sporen-sehr-nahe-bas-trennende-merkmal-MAAHCX.jpg ". Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . riiyHostieta Magnoliae Saccardo. a. Ein Theil des Blattes mit dem Pilze in natürlicher Grösse, b. Ein Erucht- gehäuse von oben gesehen, c. Querschnitt eines Frucht- gehäuses, (l. Sporen, (b, c u. d stark vergrössort. Alles nach Briosi und Cavara.) Die Gattung Phyllosticta (phyllon = Blatt; stictos = punktirt) mit ihren sehr zahlreichen Arten (Saccardo führt in „Sylloge fungorum omnium hucusque cognitorum" 686 Species auf), steht der Gattung Ascochyta bezüglich der Sporen sehr nahe. Bas trennende Merkmal Stock Photo")
RMMAAHCX–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . riiyHostieta Magnoliae Saccardo. a. Ein Theil des Blattes mit dem Pilze in natürlicher Grösse, b. Ein Erucht- gehäuse von oben gesehen, c. Querschnitt eines Frucht- gehäuses, (l. Sporen, (b, c u. d stark vergrössort. Alles nach Briosi und Cavara.) Die Gattung Phyllosticta (phyllon = Blatt; stictos = punktirt) mit ihren sehr zahlreichen Arten (Saccardo führt in „Sylloge fungorum omnium hucusque cognitorum" 686 Species auf), steht der Gattung Ascochyta bezüglich der Sporen sehr nahe. Bas trennende Merkmal
RM2AG42A2–. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. taches thename to D. caryophyllus.Violets Diseased : O. S. B. Your plants areattacked by a fungus, Ascochyta violte.Spray the plants with potassium sulphide, 1 oz.to 3 gallons of water, every fortnight. Selectanother situation and fresh soil for a futuieplantation, getting anew stock from a distance. COMMCNICATIONS RECEIVED.—T. B.—J. V.—H. C — G. JI. W.—A. B.—W. 1. W —A. D.—Leonard Barron—S. N. W. & Co —Horifordsliire Man—.). Langslou—F. Harris—C.G.Giidham—C. K.-C, II. S.—J, Clayton,Willi thanks-m-.
RMME6BRG–. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet . Fig. 193. A — E Ascochyta piniperda Lindau. A Erkrankter junger Pichtentrieb, nat. Gr. B Spitze eines vor- jährigen Fiohtentriebes, die vom jungen Trieb aus abwärts inficiert ist. Die Bräunung von Rinde und Mark ist durch Schattierung hervorgehoben, nat. Gr. G Getöteter Fichtentrieb, nat. Gr. D Pykniden aus der Rinde und den Blattstielnarben liervorbrechend 5/1. E Sporenträger mit Sporen 2-lU/l. F A. Fisi Lib. Habit
RM2AKRHRE–Annual report of the North Carolina Agricultural Experiment Station . Cba+0.25 per cent sodium aspa- raginate. M= = 3.5637 ±0.0358 cr= = 0.7579 ±0.0253 C. V.= =21.267 ±0.725 n= =204 Fig. 25.—Ascochyta Chrysanthemi Stevens.Polygon of spores from cba +0.25 per centsodium asparaginate. M= 5.4267 ±0.0356o-= .7896 ±0.0251C. V.=14.551 ±0.459n=225. Fig. 26.—Ascochyta Chrysanthemi Stevens.Polygon of spores from cba+sodium asparag-inate+starch. VARIATION OF FUNGI DUE TO ENVIRONMENT. Cba +1 per cent glucose. Thiswas a remarkable colony with sporesdistinctly smoky or olivaceous. M= 5.1422 + 0.0408o = .92
RM2AKRG5M–Annual report of the North Carolina Agricultural Experiment Station . C. V.=17.919rc=232 : 0.579 Fig. 27.—Ascochyta Chrysanthemi Stevens.Polygon of spores from cba+sodium asparagi-nase* glucose. Plated thickly in 4 per cent pea M= 4.3246 + 0.0392o-= 1.0138 + 0.0277C. V.=23.442 +0.674r?=350. Fig. 28.—Ascochyta Chrysanthemi Stevens.Polygon of spores from 4 per cent pea agar. TTTi 111; j j m h 11 mil 111! 111111111 [-{! Cowpea agar. M= 4.8657 + 0.0545<r= 1.1885 + 0.0386C. V.=24.427 ±0.839n—214 Fig. 29.—Ascochyta Chrysanthemi Stevens. Polygonof spores from cowpea agar. It is seen that on these
RM2AKRK21–Annual report of the North Carolina Agricultural Experiment Station . Fig. is.—Ascochyta Chrysanthemi Stevens.gon of spores from pycnidium No. 3, large type. Poly- 64 THIRTY-SECOND ANNUAL REPORT, 1909. B. Spores from small pycnidium type (Fig. 14). Pycnidium No. 4. Small type. M= 3.6011+0.0363a= .7183 + 0.0256 C.V.=19.947 +0.740n=178 HI Fig. 19.—Ascochyta Chrysanthemi Ste-vens. Polygon of spores from pycnidiumNo. 4, small type. Pycnidium No. 5. Spores taken from smallpycnidium colony shownin Fig. 14. M= 5.5850 + 0.0414cr= 1.0737 + 0.0293C. V.=19.225 +0.543n=306 Fig. 20.—Ascochyta Chrysanthemi
![Pflanzenschutz nach Monaten geordnet; eine Anleitung für Landwirte, Gärtner, Obstbaumzüchter &c . r oft fu^ronfe^ftangen. 3So e§ auf bie ©eroinnung t)on gefunbem <Soat=. {200/t] ^?ig. 82. Ascochyta Pisi auf 2lc!erbo^nen. F i^Ieden, P ^SnfniDen, S fioniöten. gut an!ommt, empfiehlt fid) baf)er bei auftreten biefer ^itge,beror fie bie §ütfen ergreifen, eine üorbeugenbe 93efpri|ungberfelben mit ^upferfatfbrüf)e. ®er genannte (Srreger berg(cdenfron!f)eit ber 33o[incnfjüIfc gel)t übrigem^ aud) ouf(Surfen, Äürbiffc unb SOietonen über, mec^ialb man t)er=meiben foKte, g-etber, bie im g^rü^jabr biefe Stock Photo](https://c8.alamy.com/comp/2AN5934/pflanzenschutz-nach-monaten-geordnet-eine-anleitung-fr-landwirte-grtner-obstbaumzchter-c-r-oft-furonfeftangen-3so-e-auf-bie-eroinnung-ton-gefunbem-ltsoat=-200t-ig-82-ascochyta-pisi-auf-2lc!erbonen-f-iieden-p-snfniden-s-fioniten-gut-an!ommt-empfiehlt-fid-bafer-bei-auftreten-biefer-itgeberor-fie-bie-tfen-ergreifen-eine-orbeugenbe-93efpriungberfelben-mit-upferfatfbrfe-er-genannte-srreger-bergcdenfron!feit-ber-33o-incnfjifc-gelt-brigem-aud-oufsurfen-rbiffc-unb-soietonen-ber-mecialb-man-ter=meiben-fokte-g-etber-bie-im-grjabr-biefe-2AN5934.jpg "Pflanzenschutz nach Monaten geordnet; eine Anleitung für Landwirte, Gärtner, Obstbaumzüchter &c . r oft fu^ronfe^ftangen. 3So e§ auf bie ©eroinnung t)on gefunbem <Soat=. {200/t] ^?ig. 82. Ascochyta Pisi auf 2lc!erbo^nen. F i^Ieden, P ^SnfniDen, S fioniöten. gut an!ommt, empfiehlt fid) baf)er bei auftreten biefer ^itge,beror fie bie §ütfen ergreifen, eine üorbeugenbe 93efpri|ungberfelben mit ^upferfatfbrüf)e. ®er genannte (Srreger berg(cdenfron!f)eit ber 33o[incnfjüIfc gel)t übrigem^ aud) ouf(Surfen, Äürbiffc unb SOietonen über, mec^ialb man t)er=meiben foKte, g-etber, bie im g^rü^jabr biefe Stock Photo")
RM2AN5934–Pflanzenschutz nach Monaten geordnet; eine Anleitung für Landwirte, Gärtner, Obstbaumzüchter &c . r oft fu^ronfe^ftangen. 3So e§ auf bie ©eroinnung t)on gefunbem <Soat=. {200/t] ^?ig. 82. Ascochyta Pisi auf 2lc!erbo^nen. F i^Ieden, P ^SnfniDen, S fioniöten. gut an!ommt, empfiehlt fid) baf)er bei auftreten biefer ^itge,beror fie bie §ütfen ergreifen, eine üorbeugenbe 93efpri|ungberfelben mit ^upferfatfbrüf)e. ®er genannte (Srreger berg(cdenfron!f)eit ber 33o[incnfjüIfc gel)t übrigem^ aud) ouf(Surfen, Äürbiffc unb SOietonen über, mec^ialb man t)er=meiben foKte, g-etber, bie im g^rü^jabr biefe
RM2CEMA96–. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. usHendersonia rubi. Drench the stems with liverof sulphur, four times at intervals of a week,at a strength of 2 ounces in 3 gallons of water. Sweet Peas : A. P. B. No disease is present inthe plants sent fcr examination. Violet Leaves Unhealthy : E. C. Thedisease is caused by Ascochyta violse, which isfavoured by excessive moisture in the atmo-sphere. R move the diseased leaves and admitmore air to the frame. Wallflowers Dying : One Puzzled. There isno disease present; apparently something in-jurious
RMRMAMJF–. Annual report. New York State Museum; Science; Science. FlG. I ASCOCHYTA CLEMATIDINA THUM. 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.. New York State Museum. Albany : University of the State of New York
RMRHFRRX–. Boletín de la Sociedad Española de Historia Natural. Natural history. 8 i 9 § g e 18 i H f B L. Crespí, del. et piíix. ASCOCHYTA f^ISI. 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.. Sociedad Española de Historia Natural. Madrid : Estab. tip. de Fortenet
Search Results for Ascochyta Stock Photos and Images (130)
Page 1 of 2