RMRDE514–. The fungi which cause plant disease . Plant diseases; Fungi. Fig. 404. — Cycloconium oleaginum. After Boyer. Fio. 405.— Clodosporium cu- cumerinum, mycelium, a hyphal knot, conidiophore and spores. After Hum- phrey. D. conjunctum (Bon) Sacc. is reported as a parasite of the geranium Cladosporium Link (p. 602) Hyphse decumbent, intricately-branched, olivaceous; conidia globose to ovoid, greenish. In part=MycosphaBrella. See p. 243. Some one hundred seventy-five species, many of them of economic importance. C. fasciculate Fr. on hyacinth=Pleospora hyacinthi. See p. 260. C. herbarum (Pers.) Lk.
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RMREN44E–. Insects affecting vegetables [microform]. Légumes; Vegetables; Insect pests; Insectes nuisibles. 63 is- nd to involve the whole fruit. On the surface of the diseased spots dark colored, many-celled, club-shaped spores are produced. • Treatment: Spray with Bordeaux, beginning when the flowers open, and repeat at intervals of ten days or two weeks. Remove and destroy diseased fruits. Burn the diseased tops. Scab (Cladosporium fulvum). Olive brown, felt-like areas occur on the under side of the leaves and brown discolorations on the upper surface. In severe cases the leaves turn black, shrivel
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RMRGBB9T–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. Bui. 395, U. S. Dept. of Agriculture. Plate IV=. Peach Leaf and Twigs Attacked by Cladosporium carpophilum. Fig. 1.—Lower surface of badly diseased Heath leaf, showing abundant infection. From Chevy Chase, Md., Octobers, 1915. (Naturalsize.) riG.2.—Badly diseased Elbertatwigs. FromChevy Chase, Md., August 6, 1915. (Natural size.) Fig. 3.—Elberta twigs, showing lesions as they appear in the spring tollowiag infection, with abundant production of conidial tufts: a and 6, Small lesions, evidently the result of late infect
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RMRDE4Y7–. The fungi which cause plant disease . Plant diseases; Fungi. Fia. 416.—Sporodesmium antiquum. After Sac- caxdo. S. exitiosum var. solani Schenck is reported as the cause of a potato disease. S. solani-varians Yanha is the cause of potato disease in Europe, the foliage bearing brown spots and finally dying in a manner resembling death caused by Phytophthora. Cladosporium and pycnidial forms are said to exist. S. mucosum Sacc. was reported by Ader- holt on cucumber fruit and leaves causing disease. S. scorzonerae Aderh. causes a salsify stem and leaf disease.'^* Other parasitic species are: S.
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RMRDCXPC–. Manual of fruit diseases . Fruit. APRICOT DISEASES 155 Reference on Scab Heald, F. D. Report of committee on fungus diseases for 1911. Apricot scab or freckle (Cladosporium oarpophilum Theum). Texas Agr. Dept. Bui. 22 : 159-160. 1911. CoRYNEUM Fruit-Spot Caused by Coryneum Beijerinckii Oudem. This disease is best known in California on the peach and is referred to as the Cahfornia peaeh- bhght, shot-hole and fruit-spot. In that state it was given special atten- tion in the years 1907-1909. It has also been noted in New York. In for- eign countries it is not unknown, having. Fig. 41. — Coryne
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RMRGBB64–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. Bui. 395, U. S. Dept. of Agriculture. Plate VI.. Peach Leaves and Twigs from Inoculation Experiments with Cladosporium CARPOPHiLUM, Madison, Wis., 1914. Fig. 1.—Lower surfaces of Chili leaves: a, Control, no infection; b, inoculated by spraying with sporiferous suspension from fruit strain, badly diseased. Photographed 51 days after inoculation. (Magnified, X IJ s-) Fig. 2.—Lower surface of Chili leaf 93 days after spraying with sporiferous suspension from fruit strain, showing sparse primary infection and abimdant sec
RMRHKN9F–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 2. Inhibition of fungal growth by four concentrations of gly- coside from the holothurian Eupentacta fraudatrix. Glycoside concentra- tions in each plate are (clockwise from top) 40, 20. 10, and 5 mg/ml. Top left plate: Cladosporium sphaerospermum isolated from coelomic fluid of the holothurian (see curve Csp in Fig. 1); Top right: Aspergil/us eburneo- cremeus isolated from the surface of the holothurian (curve Aeb in Fig. 1); Bottom left: Cladosporium cladosporioides isolated from bottom sedi- ments (curve Ccl in Fig
RMRDE4YA–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 617. Fia. 416.—Sporodesmium antiquum. After Sac- caxdo. S. exitiosum var. solani Schenck is reported as the cause of a potato disease. S. solani-varians Yanha is the cause of potato disease in Europe, the foliage bearing brown spots and finally dying in a manner resembling death caused by Phytophthora. Cladosporium and pycnidial forms are said to exist. S. mucosum Sacc. was reported by Ader- holt on cucumber fruit and leaves causing disease. S. scorzonerae Aderh. causes a salsify stem and leaf di
RMRGBBAC–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. Bui. 395, U. S. Dept. of Agriculture Plate. ClaDOSPORIUM CARPOPHILUM ON PEACH FRUIT AND LEAF AND IN CULTURE. Fig. 1.—Badly diseased Elberta fruit, showing typical distribution of infection: a, Surface most exposed to wetting, abundantly iniected; b, surface least subject to wetting, no disease evident, rrom Chevy Chase, Md., August 6,1915. (Natural size.) Fig. 2.—Distal portion of a badly dis- eased Heath leaf, showing typical dLstribution of the infection: a. Lower surface, abimdantly infected; b, upper surface, no in
RMRFPWE6–. Some diseases of Puerto Rican forage crops. Forage plants Diseases and pests Puerto Rico. other fungi grow upon it sapro- phytically {19, p, 613). In Puerto Rico, these saprophytic fungi fre- quently are: Cerebella andropogonis Ces. (fig. 7, D, E); Cladosporium sp. (fig. 7, F, G); Fusarium sp. (fig. 7, H) ; and yeasts. Red leaf Spot The cause of red leaf spot of Melinis minutiflora Beau v. (molasses grass) has not been determined. Though leaf spots were abundant, especially during the vegetative period just prior to flowering, the disease did not appear to be of economic importance. The lesi
RMRGBB7P–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. PEACH SCAB AND ITS COISTTEOL. 13. Fig. 5.— Cladosporium carpophilum: a, Con- idiophores and conidia from fruit lesions; 6, conldiophores and conidia from twig lesions; c, conidiophore from leaf lesion; d, and e, fragments of mycelium from Lima-bean agar culture, showing develop- ment ofehlamydospores. Camera-lueida drawing. (Magnified 485 times.) the more exposed cells thicken and darken and the individual cells may assume the characters of chlamydospores (fig, 5, d and e). On old cul- tures on steamed peach twigs or c
RMRPY143–. Hawaiian Fungi. Fungi. 152 Bernice P. Bishop Museum—Bulletin On Saccharum officinarum "Johnston believes that this fungus has been reported from Hawaii."— Caum. DEMATIACEAE-DIDYMOSPORAE 146. CLADOSPORIUM Link. Sp. PI. Fungi vol. 6, p. 39, 1824 See under Phyllosticta colacasiophila, pp. 129-132. DEMATIACEAE-PHRAGMOSPHOREAE 147. HELMINTHOSPORIUM Link. Berl. Mag. vol. 3, p. 10, 1809 No. 352. Helminthosporium cibotii Stevens and Weedon n. sp. Spots 3-7 mm. in diameter, irregularly circular, center tan-colored, shrunken, thin, surrounded by a densely black border 1-2 mm. wide, which sha
RMRD94MR–. Einfhrung in die Agrikulturmykolgie. Soil microbiology; Soil fungi. 30 Der Kreislauf d. Kiemente unter Mitwirkung v. Mikroorganismen. Von G. Ritter (1) mit Thamnidium elegans, Mucor Mucedo (Fig. ls. 1". 20), Mucor racemosus (Fig. 21) und Rhizopas nigri- cans ausgeführte Versuche ergaben, daà sich für ihre Entwicklung Ammoninmphosphat am zuträglichsten erweist, weniger gut gediehen sie bei Verwendung von Ammoniumsulfat, am schlechtesten von Am- moniumnitrat und Ammonium- chlorid als Stickstoffquelle. Für Aspergillus glaucus. Mucor racemosus und Cladosporium herbarum fand Ritter, daÃ
RMRGBBBB–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. Bui. 395, U. S. Dept. of Agriculture Plate. Peach fruits, twigs, and leaf attacked by Cladosporium carpophilum. Figs. 1 and 2.—Badly diseased Elberta fruits from Chevy Chase, Md., August 6, 1915 (about a week before harvest;. Fig. 1.—Cracking of the diseased area. Fig. 2.—Close proxiuiitv of twig lesions to the infected area of the fruit. Figs. 3 and 4.—Early stages of infection on twigs of 1-vear-old Early Crawford trees from inoculation experiments at Madison, Wis., August 6, 1915. Pa"inted40 days after inoculat
RMRN0FWW–. Annales de l'Institut Pasteur. Science; Allergy and Immunology; Medicine; Microbiology. CLADOSroiUUM IIERMRUM. « 565 que pour les Hyphomycètes, la valeur des noms génériques est trop relative pour avoir la même importance que dans la classification des animaux et des végétaux supérieurs. Pour moi le nom de Peu. cladosponoides désigne simplement et d'une façon commode un état conidifère du Cladosporium herharum.. Fig. 3. Pénicillium cladosporio'ides, variété à filaments raycéliens étroits et à filaments conidifères très courts. G = 80. Malgré l'extrême dispersion des spores de ce champignon,
RMRG98R8–. Bulletin trimestriel de la Société mycologique de France. Mycology; Fungi; Fungi. L. GARBOWSKI. 108. Pénicillium candidum Link, Isopyrum thalictroides, Luka. 30-V.. CL a) un FiG. 3. — Fusariella populi sp. n. groupe de conidies ; b) conidies ( j. 109* Cladosporium herharum Link. J'ai observé cette espèce très rt^pandue sur les plantes suivantes : Triticum çulgare, Secale céréale, Hordeum vulgare, Avena satwa, Agro- pyrum repens, Gljyceria plicata, Maianthemum bifolium, Isopyrum thalictroides, Mjyosurus minimus, Mercurialis perennis, Vicia faba.. Please note that these images are extracted fr
RMRGBB6G–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. Bui. 395, U. S. Dept. of Agriculture. Plate V.. Elberta Peaches from Inoculation Experiments with Cladosporium CARPOPHiLUM, Cornelia, Ga., 1913. FiLt. 1.—Control, no infection. Photographed August 4, 76 days after the beginning of the ex- periment. (Reduced, X ^/s.) Figs. 2, 3, 4, and 5.—Inoculated with sporiferous suspensions from twig strains on noted areas of equatorial surfaces: 2, Inoculated May 20 and photographed 76 days later; 3 and 4, inoculated June 6 and photographed 59 days later; 5, inoculated May 27 and p
RMRD4R4N–. Dansk botanisk arkiv. Plants; Plants -- Denmark. *Didymopsis perexigua Sacc. et March. Paa Cladosporium herba/rum paa dode Frugter af Trayopogoii pratensis i Spireapparat. Kobenhavn, Juli 1910. *Triehotheciuni candidiini Wallr. Paa Poly- porus brumalis. S. Rude Skov, Okt. 1914. Diplocladiuni minus Bon. Paa Pleurotus ostreatus. S. Jægersborg Dyrehave, Febr. 1913. *Diplocladiuni tenue n. sp. Caespitulis tenui- bus, albis. Hyphis fertilibus erectis, septatis, apice 2—3 verticillos ternorum v. quaternorurn rarnorum aciculariorum, 30—50 X 3//, gerentibus. Conidiis solitariis, oblongis v. cylindra
RMRDJF1W–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. FUNGI IMPERFECTI 299 XI. PEACH AND APRICOT SCAB Cladosporium carpophilum Thiim. Arthur, J. C. Spotting of Peaches. Ind. Agl. Exp. Sta. Built. 19: 1-8. figs. 1-3. 1889. Chester, F. D. Peach Scab. Del. Agl. Exp. Sta. Rept. 8 : 60-63. l896-. Fig. 133. Peach Scab on White-fleshed Fruit This fungus is responsible for the well-known peach scab, a disease common throughout the country on peaches, and also on apricots. It forms, as a rule, numerous small, circular, sooty spots, sometimes c
RMRN0F4N–. Annales de l'Institut Pasteur. Science; Allergy and Immunology; Medicine; Microbiology. Fig. la. Fumago produit par la forme-lovuro cultivée dans une solution minérale additionnée de colchicine. G = 200.. o v> Fig. 16.— Fumago de forme-levure cultivée dans un liquide sucré. G = 200. 11 convient de remarquer que je réunis sous le nom de fuinago àe Cladosporium des productions dérivées d'états très différents de ce champignon. Ainsi les conidies de Cladosporium typique et. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readabil
RMRN0FJE–. Annales de l'Institut Pasteur. Science; Allergy and Immunology; Medicine; Microbiology. CLADOSPORIUN HERBARUM. 589 lient des filaments germinalifs, qui ne tardent pas à prendre l'état dematium ou fumayo.. Fig. 9 — Forme-levure de cladosportum. G = 60. Les formes-levures ont été signalées chez les champignons par divers observateurs : par de Bary et Lœw pour le ûematiurn pulhdans ; par M. Cuboni poui- le Cladosporium ; par M. Brefeld pour des Ustilaginées ' et des Basidiomycètes - ; par M. Duclaux pour e Oidium lactis^. J'en ai observé chez plusieurs Ustila- ginées non citées par M. Brefeld
RMREF3HT–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. 801 Hormodeudroii clailo.sporioifles Saoc. Michel. 11, 148 (1S80): Ryll. IV, 310. Cladu.sporiuHi lierbaruni (Pers.) vor. repeus Fivaeii. IW-itr. 1, 24 (1850) Tab. III Fig. 2!). Cladosporium herbaruin (l'.-vs.) var. typliavum WestcK et 'au Hacs. Oat. Crypt. Breb. et Anv. p. S (l.s;38) n. 173. Kxs. Ivlotzseh Herb. niye. 107b; Klotzsch Herb. niyc. 2 ed. :•{;{•{, 7(;7: Kabeuhorst Fuiioi eur. 128,3. 4289: v. Thüme)! Fuiigi anstr. i'Cti. 537.
RMRMWGKB–. Annales des Sciences Naturelles Botaniques. INFLUENCE DES MILIEUX SUR LES DÉMATIÉES. 205 demi-épaisse. Malgré son aspect membraniforme, il est constitué uniquement par du mucilage. (Ce flocon ne se forme pas dans les cultures parallèles du Cladosporium.) Plus tard, surtout si Ton agite le tube, la végétation su- perficielle du liquide plonge au fond sous forme d'un disque et entraîne avec elle ce dépôt floconneux. Le liquide supé- rieur redevient alors limpide. /. —Glucose.— Dans cette solution, comme dans la gomme d'épaisseur moyenne, on trouve à la fois une grande abon- dance de cellules i
RMRHGD8D–. Boletn de la Real Sociedad Espaola de Historia Natural. Real Sociedad Espaola de Historia Natural; Natural history; Natural history -- Spain. Ülí HISTOKIA NATURAL 195 restos de las plantas atacadas, legumbres, tallos y ramillas secos que, llenos de picnidios y espórulas, quedan en tierra desarrollándose éstos sobre las nuevas plantas al llegar la época propicia. Dijimos que otros hongos, dos demaciáceos, pueden completar la obra destructora y son una forma del Macrosporium conimune Rabh. y el Cladosporium Pisi Cugini y Macchiati, que con mu- cha frecuencia se encuentran en las legumbres de P
RMRN0F61–. Annales de l'Institut Pasteur. Science; Allergy and Immunology; Medicine; Microbiology. 600 ANNALES DE L'INSTITUT PASTEUR. champignons superficiels. Mais, sur gélatine et surtout sur pomme de terre, j'ai observé bien souvent la formation d'états fumago dérivés de cultures de dematium et de Cladosporium. Il n'y a donc aucune raison pour laquelle les conidies de ce cham- pignon et de ses formes végétatives ne puissent se développer sur les feuilles recouvertes de matières sucrées. cP^â. Fig. 14. — Fumago de Cladosporium sur feuille de pommier. G = 200.. Please note that these images are extrac
RMRFPWEM–. Some diseases of Puerto Rican forage crops. Forage plants Diseases and pests Puerto Rico. fed. i 3. Figure 7.—A, Ergot on Panicum maximum Jacq. Var. Common Guinea (guinea grass) caused by Claviceps maximensis. X 3.8. B, Spores of C. maximensis. X 528. C, Germinated sclerotium of C. maximensis. X 3.8. D, Cerebella andro- pogonis growing on the sphacelial stage of C. maximensis. X 3.8. E, Spores of C. andropogonis. X 528. F, Cladosporium sp. growing on the sphacelial stage of C. maximensis. X 3.8. G, Spores of the Cladosporium sp. X 528. H, Spores of Fusarium sp. commonly found growing on sp
RMRHFRRG–. Boletín de la Sociedad Española de Historia Natural. Natural history. 194 boletín dk la real sociedad española go. Una forma de Macrosporium y un Cladosporium, de los que luego hablaremos, suelen terminar la obra destructora. El micelio, al querer penetrar en los granos o guisantes, se en- cuentra con una capa exterior de células que, como es sabido, se alargan y espesan mucho, y las contornea pasando, al parecer, por entre los intersticios o unión de ellas hasta que logra encontrar célu-. Please note that these images are extracted from scanned page images that may have been digitally enhan
RMRHKNA6–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. HOLOTHURIAN FUNGI 105 Table 3 Proteo/vtic activity of fungal strains from holothurians Source Taxon Proteolytic activity (cm)* Eupentacta fraudatrix Acremonium striatisponun 4.0 ± 0.2 Surface Penicillium commune 0 P. herquei 6.0 ± 0.1 Altemaria alternate! 4.5 ± 0.3 Phialophorophoma sp. 0.8 ± 0.1 Verticillium tenernm 1.0 ± 0.2 Cladosporium sphaerospermum 1.0 ± 0.2 C. brevicompactum 3.0 ± 0.1 Internal organs C. sphaerospermum 6.0 ± 0.3 Apostichopus japonicus C. sphaerospermum 0.5 ± 0.1 Surface C. brevicompactum 0.8 ± 0.1 Inter
RMRHGD99–. Boletn de la Real Sociedad Espaola de Historia Natural. Real Sociedad Espaola de Historia Natural; Natural history; Natural history -- Spain. 194 boletín dk la real sociedad española go. Una forma de Macrosporium y un Cladosporium, de los que luego hablaremos, suelen terminar la obra destructora. El micelio, al querer penetrar en los granos o guisantes, se en- cuentra con una capa exterior de células que, como es sabido, se alargan y espesan mucho, y las contornea pasando, al parecer, por entre los intersticios o unión de ellas hasta que logra encontrar célu-. Please note that these images a
RMRGMMBF–. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. 6 MASS. EXPERIMENT STATION BULLETIN 350 Table 2.-Temperatures at which Spores of Cladosporium fulvum Germinate Authority Temperature at which spores germinate Minimum °F. Optimum °F. Maximum °F. 71 -77 90 32-33.8 68 -79.7 87.8-91.4 46.4 64. 4-75.2 86 38 72 -77 89 79 -81 90 42.8 84.2 63 -70 90 68 -77 93.2 41 68 -77 95 40 75 -78 94 Bewley (4) , Hasper (11) 32-33 Makemson (13) Small (26, 27, 30) Williams (39) Newhall and Wilson (15) Alexander (2) Wollenweber (41) Gardner (10) Guba (32) winter weather from Ja
RMRCDKKB–. Diseases of glasshouse plants. Greenhouse plants; Plant diseases. Fig. 26. Tomato " mildew " caused by Cladosporium fuhum, showing the fungal masses on the underside of the leaf. [Facing page loo. 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.. Bewley, W. F. (William Fleming). London, E. Benn
RMRCDP7G–. Diseases of flowers and other ornamentals. Flowers; Plant diseases. 20 California Agricultural Extension Service LCir- 118 on cutting into the top of the tuber where the leaves and flower stalks are attached. This disease has been attributed to the fungus Cladosporium cyclaminis, but there is some doubt as to the correctness of this. To control, use fresh soil for seedbed and potting, and grow the plants at as low temperatures as possible.. Fig. 5.—Cyclamen stunt; note the shortening of flower stalks and discoloration in corms. CYPRESS, MONTEREY AND ITALIAN Bark Canker, Coryneum Canker.—Twig
RMRCDPP4–. Diseases of economic plants. Plant diseases. DBUPACEOUS FBUIT8 L25 spraying the peach orchard where the brown rot and scab are troublesome, but many disappointments are naturally to be expected. The curculio and other insects readily break the skin of the peach and admit the brown-rot, fungus even through a coating of the spray mixture, so that a cer- tain amount of rot may always be expected when the condi- tions are favorable." Scab (Cladosporium carpophilum Thuem.). — Thisdisease, which is widespread and so common that many people regard. Please note that these images are extracted f
RMRCC6M2–. Diseases of economic plants. Plant diseases. DRUPACEOUS FRUITS 125 spraying the peach orchard where the brown rot and scab are troublesome, but many disappointments are naturally to be expected. The curculio and other insects readily break the skin of the peach and admit the brown-rot fungus even through a coating of the spray mixture, so that a cer- tain amount of rot may always be expected when the condi- tions are favorable." Scab (Cladosporium carpophilum. Thuem.). — This disease, which is widespread and so common that many people regard. Please note that these images are extracted
RMRCDPP9–. Diseases of economic plants. Plant diseases. 142 Diseases of Economic Plants ored. A considerable portion of the ''June-drop" is caused by this disease. The spores of the fungus gain entrance through shght imperfections of the skin at the navel end, producing de- cayed areas under the skin. All diseased fruit should be collected and burned or buried deeply. Scab (Cladosporium citri Mass.). — Scab has been known. Fig. 74. — Scab of the sour orange. After Hume. for twenty years, and occurs on the sour citrus fruits, such as the pomelo, kumquat, and sour orange. The disease attacks the you
RMRCDPGE–. Diseases of economic plants. Plant diseases. 262 Diseases of Economic Plants Leaf-mold {Cladosporium fulvum Cke.). — Under glass in the North and occasionally in the open, especially in the South, this disease is destructive. It occurs as rusty or cinnamon brown blotches on the lower side of the leaf, which turns yellow above, then brown or black, curls, and dies. The loss of food supply consumed by the parasite, together with the loss through destruction of the leaf green, injures the yield seriously. Indoors ventilation is the best remedy, coupled with clean culture to avoid carrying the p
RMRCDKHX–. Diseases of glasshouse plants. Greenhouse plants; Plant diseases. 118 DISEASES OF GLASSHOUSE PLANTS The malady is most destructive under excessively moist conditions, and may be checked by drying the atmosphere by means of suitable ventilation. Dusting with sulphur powders, accompanied by efficient ventilation, will generally effect a control. In. Fig. 34. Gummosis of the cucumber caused by Cladosporium cucumerinum : (a) Leaf lesions, (6) fruit lesions, (c) hypha5 and spores, {d) spores. bad cases spraying with hver of sulphur and flour paste is recommended, and in any case diseased fruits s
RMRCC6J7–. Diseases of economic plants. Plant diseases. 188 DISEASES OF ECONOMIC PLANTS trance through sUght imperfections of the skin at the navel end and make rotten areas under the skin. • All diseased fruit should be collected and burned or buried deeply. Scab {Cladosporium clegans Penz.). — The scab has been. Fig. 81. —Scab of the sour orange. After H known for twenty years, and occurs on the sour citrus fruits such as the pomelo, kumquat, and sour orange, though its presence on the last is of little importance. The disease attacks the young leaves, twigs, and fruit, and causes them to produce con
RMRCD8J8–. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. CLADOSPORIUM 471 stem of diseased plants. The young fruit is also sometimes attacked. The fungus is Cladosporiiim fiilvum (Cke.) The conidiophores are densely crowded, and emerge through the cuticle in clusters. They are usually sparingly branched, septate, and nodulose, bearing a few conidia near the apex, tinged brown; conidia elliptic-oblong, i-septate, translucent, tawny-brown, 10-20X4-6 /x. Spray with a dilute solution of potassium sulphide, or with
RMRCCK9T–. Diseases of truck crops and their control. Plants -- Diseases. Fig. 67, Tomato Diseases. a. Cladosporium leaf mold, 6. conidiophores of Cladosporium fulvum. c. conidia of C. juhmm, (6. and c. after Southworth), d. two plants artificially infected with iicUrolium Rolfsii, e. sunburn, /. Macrosporium rot.. 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. New York, Dutton
RMRCDPH9–. Diseases of economic plants. Plant diseases. Vegetable and Field Crops 243 and the presence of pale bleached spots upon the foliage. These spots are not definitely limited, nor does the tissue die as it does in the case of other spinach leaf spots. Black-mold {Cladosporium macrocarpum Preuss) develops primarily upon old leaves, and renders the plant unsalable. The spots are distinguishable from all other spinach spot diseases by their irregularity, indefiniteness, and color. To control the three latter spinach diseases, it is well to burn diseased refuse, practice rotation, and employ preven
RMRCC6DK–. Diseases of economic plants. Plant diseases. 262 Diseases of Economic Plants Leaf-mold (Cladosporium fulvum Cke.), — Under glass in the North and occasionally in the open, especially in the South, this disease is destructive. It occurs as rusty or cinnamon brown blotches on the lower side of the leaf, which turns yellow above, then brown or black, curls, and dies. The loss of food supply consumed by the parasite, together with the loss through destruction of the leaf green, injures the yield seriously. Indoors ventilation is the best remedy, coupled with clean culture to avoid carrying the p
RMRCC6JE–. Diseases of economic plants. Plant diseases. 142 Diseases of Economic Plaiits ored. A considerable portion of the "June-drop" is caused by this disease. The spores of the fungus gain entrance through sHght imperfections of the skin at the navel end, producing de- cayed areas under the skin. All diseased fruit should be collected and burned or buried deeply. Scab {Cladosporium citri Mass.). — Scab has been known. Fig. 74. — Scab of the sour orange. After Hume. for twenty years, and occurs on the sour citrus fruits, such as the pomelo, kumquat, and soin- orange. The disease attacks t
RMRCC6E6–. Diseases of economic plants. Plant diseases. Vegetable and Field Crops 243 and the presence of pale bleached spots upon the foliage. These spots are not definitely limited, nor does the tissue die as it does in the case of other spinach leaf spots. Black-mold {Cladosporium macrocarpum Preuss) develops primarily upon old leaves, and renders the plant unsalable. The spots are distinguishable from all other spinach spot diseases by their irregularity, indefiniteness, and color. To control the three latter spinach diseases, it is well to burn diseased refuse, practice I'otation, and employ preve
RMRCDPKP–. Diseases of economic plants. Plant diseases. 188 DISEASES OF ECONOMIC PLANTS trance through slight imperfections of the skin at the navel end and make rotten areas under the skin. All diseased fruit should be collected and burned or buried deeply. Scab (Cladosporium elegans Penz.). — The scab has been. Fig. 81. — Scab of the sour orange. After Hume. known for twenty years, and occurs on the sour citrus fruits such as the pomelo, kumquat, and sour orange, though its presence on the last is of little importance. The disease attacks the young leaves, twigs, and fruit, and causes them to produce
RMRCCKBG–. Diseases of truck crops and their control. Vegetables. Fig. 67. Tomato Diseases. a. Cladosporium leaf mold, b. conidiophores of Cladosporium fulvum c conidla of ^â Jr'r"""' i*)/"'^ 'â ^^l" Southworth). d. two plants artific"ally^nfected with Sderotium Rolfsn, e. sunburn, /. Macrpsporium rot. "ueciea wun. 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, J. J. (Jacob Joseph), 18
RMRCC6EK–. Diseases of economic plants. Plant diseases. 310 DISEASES OF ECONOMIC PLANTS As to means of dissemination and control, what is said under soil diseases will apply. Leaf mold {Cladosporium fulvum Cke.). — Under glass in the North and occa- sionally in the open, especially in the South, this disease is destruc- tive. It occurs as rusty or cinnamon- ])rown blotches on the lower side of the leaf, which turns yellow above, then l^rown or black, curls, and dies. The loss of food sup- ply consumed l)y the parasite together with the loss through de- struction of the leaf green injures the yield seri
RMRCDPF2–. Diseases of economic plants. Plant diseases. 310 DISEASES OF ECONOMIC PLANTS As to means of dissemination and control, what is said under soil diseases will apply. Leaf mold (Cladosporium fulvum Cke.). — Under glass in the North and occa- sionally in the open, especially in the South, this disease is destruc- tive. It occurs as rusty or cinnamon- brown blotches on the lower side of the leaf, which turns yellow above, then brown or black, curls, and dies. The loss of food sup- ply consumed by the parasite together with the loss through de- struction of the leaf green injures the yield serious
RMRCM6F8–. Die forstinsekten Mitteleuropas. Ein lehr- und handbuch. Trees; Beneficial insects. Die insektentötenden Pil 281 Cladosporiiim Link. H3^phen im Substrat oder auf dessen Oberfläche kriechend, verzweigt, septiert, dunkelfarbig. Konidienträger aufrecht oder niederliegend, büschelig hervorbrechend oder dichte Rasen bildend, meist septiert, einfach oder ver- zweigt, dunkelfarbig. Konidien fast kuglig bis zylindrisch, leicht dunkelfarbig bis schwarz, meist zweizeilig (selten ein- oder mehrzellig), oft eingeschnürt. Cladosporium-Arien werden vielfach auf toten Insekten angetroffen (C. aphidis v. Th
RMRCDPPC–. Diseases of economic plants. Plant diseases. 140 Diseases of Economic Plants Scaly-bark ^^^ {Cladosporium herharum Lk. var. dtricolum Faw.). — Small, circular, or oval, rusty-colored spots with well-defined margins, on both bark and fruit, characterize this disease. The bark cracks and forms scales. The spots are at first scattered, but in time coalesce and form large areas upon the branches and trunk, giving it a scaly appearance.. Fig. 72. — Scaly-bark injury to fruit. After Stevens. Similar injury also occurs on the fruit (Fig. 72). Sweet oranges are most affected, the fruit ripening prem
RMRCJ8FC–. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet. Botany. Hyphomycetes. (Lindau.) 475 einzeln und nicht in Ketten. Die Unterschiede sind aber niclit deuliicii genug, um beide scharf auseinander zu Italien. C. polysponim Corda auf faulenden Zweigen von Alnus, Rohinia und Sambucits in Deutsch- land, Böhmen und Italien. C. scyphophonim Corda an faulenden Wurzeln und Rinden, oft. Fig. 247. A—B Cladosporium herharum (PBrs.) Link, A Conidienträgerrasen auf einem Getreideb
RMRCRD2M–. Deutsche Flora. Pharmaceutisch-medicinische Botanik. Ein Grundriss der systematischen Botanik zum Selbststudium für Aerzte, Apotheker und Botaniker. Plants; Medicinal plants. 64 Fungi. Gonidiomycetes. Cladosporium LI-. Hormodendron Bon. 9. 2. Hyplie aufreclit, kaum an- geschwolleu-gegliedert, trägt eiul- und seitenständige einfache oder verzAveigte Ketten von Gonidien, deren unterste, 2—3 keimig, länglicli, die oberen, jüngeren, ku"-elig und einfach sind. C. herbarum Lk., P. olivaceum Cnl. Gonidien kuo-eli"', olivengrün; scheint die Gonidienform von Sphaeria herbarum. C. penicillio
RMRD0R5P–. Dansk botanisk arkiv. Plants; Plants -- Denmark. Ove Rostrup: Bidrag til Danmarks Svampeflora. I. 43. *Didymopsis perexigua Sacc. et March. Paa Cladosporium herba/rum paa dode Frugter af Trayopogoii pratensis i Spireapparat. Kobenhavn, Juli 1910. *Triehotheciuni candidiini Wallr. Paa Poly- porus brumalis. S. Rude Skov, Okt. 1914. Diplocladiuni minus Bon. Paa Pleurotus ostreatus. S. Jægersborg Dyrehave, Febr. 1913. *Diplocladiuni tenue n. sp. Caespitulis tenui- bus, albis. Hyphis fertilibus erectis, septatis, apice 2—3 verticillos ternorum v. quaternorurn rarnorum aciculariorum, 30—50 X 3//,
RMRDXRWN–. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 286 MANUAL OF POISONOUS PLANTS Janczewski who has studied the life history of Septoria graminum states that this represents the pycnidial stage of Leptosphaeria tritici and that the conidial form is the Cladosporium herbarum. We have not found the Septoria in Iowa though the Cladosporium is common. The Septoria tritici Desm. is closely related to the above and should per- haps be regarded as nothing more than a variable form oi S. gr
RMRDE06M–. Diseases of truck crops and their control . Vegetables. Fig. 67. Tomato Diseases. ti. Cladosporium leaf mold, b. conidiophores of Cladosporiutn fulvum, c. conidia of C. fulvum, b. and c. after Southworth), d. two mm-im.^ ^wCno^-vw^:;-^-, it^u).,£.n^.i-,.;,,.",'. Scleroiium Rolfsii, e. sunburn, /. Macrosporium, r-. 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. D
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