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black spot of rose (Diplocarpon rosae, Actinonema rosae, Asteroma rosae, Marssonina rosae), damage on rose leaves Stock Photo
RMEBN34M–black spot of rose (Diplocarpon rosae, Actinonema rosae, Asteroma rosae, Marssonina rosae), damage on rose leaves
Rose Black Spot on rose leaf (Diplocarpon rosae) (Actinonema rosae) (Asteroma rosae) (Marssonina rosae), fungal disease Stock Photo
RM2RD588M–Rose Black Spot on rose leaf (Diplocarpon rosae) (Actinonema rosae) (Asteroma rosae) (Marssonina rosae), fungal disease
black spot of rose (Diplocarpon rosae, Actinonema rosae, Asteroma rosae, Marssonina rosae), on rose leaf Stock Photo
RMADMNCC–black spot of rose (Diplocarpon rosae, Actinonema rosae, Asteroma rosae, Marssonina rosae), on rose leaf
. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. subject, there are still one or two others to whichallusion may be made. Late in the year roundishpurple-brown spots, half an inch in diameter, may beseen on the upper surface of Rose leaves. If theseare examined closely the spots will be seen to consistof radiating threads, with here and there small roundbodies, like little black dots, seated upon them. Thisis called Asteroma rosa. Perhaps its power of de-struction is not great, but it imparts an unwelcomekind of variegation to the leaves, which cou Stock Photo
RM2AG6WK3–. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. subject, there are still one or two others to whichallusion may be made. Late in the year roundishpurple-brown spots, half an inch in diameter, may beseen on the upper surface of Rose leaves. If theseare examined closely the spots will be seen to consistof radiating threads, with here and there small roundbodies, like little black dots, seated upon them. Thisis called Asteroma rosa. Perhaps its power of de-struction is not great, but it imparts an unwelcomekind of variegation to the leaves, which cou
. The fungi which cause plant disease . Plant diseases; Fungi. 496 THE FUNGT WHICH CAUSE PLANT DISEASE Asteroma De Candolle (p. 482) Pycnidia very small, globose, erumpent, often on a mass of hyphae; conidia ovate or short cylindric. In part =Gnomonia. See p' 274. About forty species chiefly parasitic. A. padi (D. C.) Grev. on Prunus=Gnomonia padicola. See p. 275. A. geographicum (D. C.) Desm. occurs on various species of Pomaceae; A. punctiforme Berk, on the rose; A. stuhlmanni Hen. on bananas and pineapples in Africa. A. codisei All. is said to be a serious parasite of Codiseum.^^ Vermicular Stock Photo
RMPG0RB7–. The fungi which cause plant disease . Plant diseases; Fungi. 496 THE FUNGT WHICH CAUSE PLANT DISEASE Asteroma De Candolle (p. 482) Pycnidia very small, globose, erumpent, often on a mass of hyphae; conidia ovate or short cylindric. In part =Gnomonia. See p' 274. About forty species chiefly parasitic. A. padi (D. C.) Grev. on Prunus=Gnomonia padicola. See p. 275. A. geographicum (D. C.) Desm. occurs on various species of Pomaceae; A. punctiforme Berk, on the rose; A. stuhlmanni Hen. on bananas and pineapples in Africa. A. codisei All. is said to be a serious parasite of Codiseum.^^ Vermicular
. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Asteroma Pacli Grev. o. Ein Blatt in natürlicher Grösse mit dem Pilze. b. Ein Theil eines Blattes etwas vergrössert. c. Ein geöffnetes Fruchtgehäuse mit dem Hymenium. d. Zwei Sporen. (c. u. (l. stark vergrössert. Von Dr. v. Tubcuf nach der Natur gezeichnet.) strahlenförmig verlaufenden, eingewachsenen Fibrillen; Sporen (in typischen Formen, von denen solche bekannt sind) einzellig, eiförmig oder kurz-cylindrisch, hyalin. 29* Stock Photo
RMMAAHB0–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Asteroma Pacli Grev. o. Ein Blatt in natürlicher Grösse mit dem Pilze. b. Ein Theil eines Blattes etwas vergrössert. c. Ein geöffnetes Fruchtgehäuse mit dem Hymenium. d. Zwei Sporen. (c. u. (l. stark vergrössert. Von Dr. v. Tubcuf nach der Natur gezeichnet.) strahlenförmig verlaufenden, eingewachsenen Fibrillen; Sporen (in typischen Formen, von denen solche bekannt sind) einzellig, eiförmig oder kurz-cylindrisch, hyalin. 29*
Dr L Rabenhorst's Kryptogamen-Flora von Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz drlrabenhorstskr0107rabe Year: 1903 Marssonia 605 Passerina Dicht herdenweise an Stengeln von Passerina annua in Oester- reich und bei Schemnitz in Ungarn. Populus 4402. M. Populi (Lib.) Sacc, Fungi ital. tab. 1062; Syll. III. p. 767. Syn. Gloeosporium Populi (Lib.) Mont et Desm., Exs. No. 2129. Leptothyrium Populi Libert, Fung. Ard. p. 257. Desm., 13. Not. (1846) p. 67. Asteroma labes Bork. sec. Sacc. Gloeosporium labes Berk. et Br. Cooke, Handb. p. 474. Gloeosporium Be Stock Photo
RMT0TRET–Dr L Rabenhorst's Kryptogamen-Flora von Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz drlrabenhorstskr0107rabe Year: 1903 Marssonia 605 Passerina Dicht herdenweise an Stengeln von Passerina annua in Oester- reich und bei Schemnitz in Ungarn. Populus 4402. M. Populi (Lib.) Sacc, Fungi ital. tab. 1062; Syll. III. p. 767. Syn. Gloeosporium Populi (Lib.) Mont et Desm., Exs. No. 2129. Leptothyrium Populi Libert, Fung. Ard. p. 257. Desm., 13. Not. (1846) p. 67. Asteroma labes Bork. sec. Sacc. Gloeosporium labes Berk. et Br. Cooke, Handb. p. 474. Gloeosporium Be
Rose Black Spot on rose leaves (Diplocarpon rosae) (Actinonema rosae) (Asteroma rosae) (Marssonina rosae), fungal disease Stock Photo
RM2RD588R–Rose Black Spot on rose leaves (Diplocarpon rosae) (Actinonema rosae) (Asteroma rosae) (Marssonina rosae), fungal disease
black spot of rose (Diplocarpon rosae, Actinonema rosae, Asteroma rosae, Marssonina rosae), on rose leaf Stock Photo
RMA5DX0P–black spot of rose (Diplocarpon rosae, Actinonema rosae, Asteroma rosae, Marssonina rosae), on rose leaf
The century supplement to the dictionary of gardening, a practical and scientific encyclopaedia of horticulture for gardeners and botanists . coronaria is properly knoivn asA. coronaria. ACTINOMERIS. Syn. Ridan. About nine species,natives of North America (including Mexico) comprise thisgenus. A. alata. The correct name is Verbesiiia occidentals.A. procera is synonymous with A. squarrosa. ACTINONEIIIA R0S2: (Syn. Asteroma radiosum).A fungus responsible for the irregular black spotsfrequently seen on the foliage of roses in summer, causingit to turn yellow and prematurely fall iu very bad attac Stock Photo
RM2AX4R4F–The century supplement to the dictionary of gardening, a practical and scientific encyclopaedia of horticulture for gardeners and botanists . coronaria is properly knoivn asA. coronaria. ACTINOMERIS. Syn. Ridan. About nine species,natives of North America (including Mexico) comprise thisgenus. A. alata. The correct name is Verbesiiia occidentals.A. procera is synonymous with A. squarrosa. ACTINONEIIIA R0S2: (Syn. Asteroma radiosum).A fungus responsible for the irregular black spotsfrequently seen on the foliage of roses in summer, causingit to turn yellow and prematurely fall iu very bad attac
. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . A s t e r 0 m a P a d i Grev. a. Ein Blatt in natürlicher Grösse mit dem Pilze. h. Ein Theil eines Blattes etwas vergrössert. c. Ein geöffnetes Fruchtgehäuse mit dem H3'meniam. d. Zwei Sporen. (c. u. d. stark vergrössert. Von Dr. v. Tubeuf nach der Natur gezeichnet) bis zu 18^ und darüber; auch die Gestalt ist gewiss nicht immer cylindrisch, sondern sehr verschieden. Saccardo citirt bei Asteroma Padi Grev. als synonym Actinonema Padi Fries, S. V. Sc. p. 424 (Cfr. Sacc, Syll. III. p. 209). Pag. 409 desselben Stock Photo
RMMAAHAN–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . A s t e r 0 m a P a d i Grev. a. Ein Blatt in natürlicher Grösse mit dem Pilze. h. Ein Theil eines Blattes etwas vergrössert. c. Ein geöffnetes Fruchtgehäuse mit dem H3'meniam. d. Zwei Sporen. (c. u. d. stark vergrössert. Von Dr. v. Tubeuf nach der Natur gezeichnet) bis zu 18^ und darüber; auch die Gestalt ist gewiss nicht immer cylindrisch, sondern sehr verschieden. Saccardo citirt bei Asteroma Padi Grev. als synonym Actinonema Padi Fries, S. V. Sc. p. 424 (Cfr. Sacc, Syll. III. p. 209). Pag. 409 desselben
Star rust on rose leaf (Actinonema rosae) (Asteroma rosae) (Marssonina rosae), fungal disease, fungal infection, fungal infection, plant disease Stock Photo
RM2RD587T–Star rust on rose leaf (Actinonema rosae) (Asteroma rosae) (Marssonina rosae), fungal disease, fungal infection, fungal infection, plant disease
black spot of rose (Diplocarpon rosae, Actinonema rosae, Asteroma rosae, Marssonina rosae), on rose leaf Stock Photo
RMA5DX0N–black spot of rose (Diplocarpon rosae, Actinonema rosae, Asteroma rosae, Marssonina rosae), on rose leaf
. The British rust fungi (Uredinales), their biology and classification. Uredineae. ON COMPOSITE 181 the epidermis and resemble rather a Dothidea or Asteroma than a Puccinia. The spores bear a slight resemblance to those of P. Poancm, but are more fusiform, and much more thickened at the apex. Mixed with them are sometimes a number of mesospores. Distribution : Europe, except the southern parts. 3. Puccinia Millefolii Fckl. Puccinia Millefolii Fckl. Symb. Myc. p. 55. Cooke, Micr. Fung. p. 207. Plowr. Ured. p. 215. Sydow, Monogr. i, 2. Fischer, Ured. Schweiz, p. 296, f. 216. Teleutospores. Sori Stock Photo
RMRH2X7B–. The British rust fungi (Uredinales), their biology and classification. Uredineae. ON COMPOSITE 181 the epidermis and resemble rather a Dothidea or Asteroma than a Puccinia. The spores bear a slight resemblance to those of P. Poancm, but are more fusiform, and much more thickened at the apex. Mixed with them are sometimes a number of mesospores. Distribution : Europe, except the southern parts. 3. Puccinia Millefolii Fckl. Puccinia Millefolii Fckl. Symb. Myc. p. 55. Cooke, Micr. Fung. p. 207. Plowr. Ured. p. 215. Sydow, Monogr. i, 2. Fischer, Ured. Schweiz, p. 296, f. 216. Teleutospores. Sori
black spot of rose (Diplocarpon rosae, Actinonema rosae, Asteroma rosae, Marssonina rosae), on rose leaf. Stock Photo
RMA18G11–black spot of rose (Diplocarpon rosae, Actinonema rosae, Asteroma rosae, Marssonina rosae), on rose leaf.
. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. ON COMPOSITE 131 the epidermis and resemble rather a Dothidea or Asteroma than a Puccinia. The spores bear a slight resemblance to those of P. Poarum, but are more fusiform, and much more thickened at the apex. Mixed with them are sometimes a number of mesospores. Distribution : Europe, except the southern parts.. Fig. 82. P. Millefolii. spores. Teleuto- 3. Puccinia Millefolii Fckl. Puccinia Millefolii Fckl. Symb. Myc. p. 55. Cooke, Micr. Fung. p. 207. Plowr. Urecl. p. 215. Sydow, Monogr. i. 2. Stock Photo
RMRH2X94–. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. ON COMPOSITE 131 the epidermis and resemble rather a Dothidea or Asteroma than a Puccinia. The spores bear a slight resemblance to those of P. Poarum, but are more fusiform, and much more thickened at the apex. Mixed with them are sometimes a number of mesospores. Distribution : Europe, except the southern parts.. Fig. 82. P. Millefolii. spores. Teleuto- 3. Puccinia Millefolii Fckl. Puccinia Millefolii Fckl. Symb. Myc. p. 55. Cooke, Micr. Fung. p. 207. Plowr. Urecl. p. 215. Sydow, Monogr. i. 2.
. The fungi which cause plant disease . Plant diseases; Fungi. 496 THE FUNGT WHICH CAUSE PLANT DISEASE Asteroma De Candolle (p. 482) Pycnidia very small, globose, erumpent, often on a mass of hyphae; conidia ovate or short cylindric. In part =Gnomonia. See p' 274. About forty species chiefly parasitic. A. padi (D. C.) Grev. on Prunus=Gnomonia padicola. See p. 275. A. geographicum (D. C.) Desm. occurs on various species of Pomaceae; A. punctiforme Berk, on the rose; A. stuhlmanni Hen. on bananas and pineapples in Africa. A. codisei All. is said to be a serious parasite of Codiseum.^^ Vermicular Stock Photo
RMRDE5CD–. The fungi which cause plant disease . Plant diseases; Fungi. 496 THE FUNGT WHICH CAUSE PLANT DISEASE Asteroma De Candolle (p. 482) Pycnidia very small, globose, erumpent, often on a mass of hyphae; conidia ovate or short cylindric. In part =Gnomonia. See p' 274. About forty species chiefly parasitic. A. padi (D. C.) Grev. on Prunus=Gnomonia padicola. See p. 275. A. geographicum (D. C.) Desm. occurs on various species of Pomaceae; A. punctiforme Berk, on the rose; A. stuhlmanni Hen. on bananas and pineapples in Africa. A. codisei All. is said to be a serious parasite of Codiseum.^^ Vermicular
. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. Marssonia 605 Passerina Dicht herdenweise an Stengeln von Passerina annua in Oester- reich und bei Schemnitz in Ungarn. Populus 4402. M. Populi (Lib.) Sacc, Fungi ital. tab. 1062; Syll. III. p. 767. Syn. Gloeosporium Populi (Lib.) Mont et Desm., Exs. No. 2129. Leptothyrium Populi Libert, Fung. Ard. p. 257. Desm., 13. Not. (1846) p. 67. Asteroma labes Bork. sec. Sacc. Gloeosporium labes Berk. et Br. Cooke, Handb. p. 474. Gloeosporium Berk Stock Photo
RMREF7HB–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. Marssonia 605 Passerina Dicht herdenweise an Stengeln von Passerina annua in Oester- reich und bei Schemnitz in Ungarn. Populus 4402. M. Populi (Lib.) Sacc, Fungi ital. tab. 1062; Syll. III. p. 767. Syn. Gloeosporium Populi (Lib.) Mont et Desm., Exs. No. 2129. Leptothyrium Populi Libert, Fung. Ard. p. 257. Desm., 13. Not. (1846) p. 67. Asteroma labes Bork. sec. Sacc. Gloeosporium labes Berk. et Br. Cooke, Handb. p. 474. Gloeosporium Berk
. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. Asteroma 471 Prunus In der Originalbesclireibung heisst es bezüglich der Sporou: „perexiguis, cjlindraceis, curvis, utrinque rotundatis, hyalinis". Nach meinen wiederholten Beobachtungen kann ich die Sporen nicht ,.sehr klein" heissen bei einer Länge. A s t e r 0 m a P a d i Grev. a. Ein Blatt in natürlicher Grösse mit dem Pilze. h. Ein Theil eines Blattes etwas vergrössert. c. Ein geöffnetes Fruchtgehäuse mit dem H3'meniam. d. Stock Photo
RMREGGR5–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. Asteroma 471 Prunus In der Originalbesclireibung heisst es bezüglich der Sporou: „perexiguis, cjlindraceis, curvis, utrinque rotundatis, hyalinis". Nach meinen wiederholten Beobachtungen kann ich die Sporen nicht ,.sehr klein" heissen bei einer Länge. A s t e r 0 m a P a d i Grev. a. Ein Blatt in natürlicher Grösse mit dem Pilze. h. Ein Theil eines Blattes etwas vergrössert. c. Ein geöffnetes Fruchtgehäuse mit dem H3'meniam. d.
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