. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. DILOPHOSPORA 427 DILOPHOSPORA (Desm.) Perithecia crowded, immersed in a crustaceous weft of hyphae or stroma; spores fusiform, septate, hyaline, furnished at each end with several simple or branched, delicate hairs. Wheat ear fungus {Dilophospora gramtnis, Desm.) some- times attacks ears of wheat and arrests the development of. Fig. 132. — Cylindrosporiiirn padi. i, spots caused by fungus on a plum leaf; 2, section through a pustule of conidia of same; 3
. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. DILOPHOSPORA 427 DILOPHOSPORA (Desm.) Perithecia crowded, immersed in a crustaceous weft of hyphae or stroma; spores fusiform, septate, hyaline, furnished at each end with several simple or branched, delicate hairs. Wheat ear fungus {Dilophospora gramtnis, Desm.) some- times attacks ears of wheat and arrests the development of. Fig. 132. — Cylindrosporiiirn padi. i, spots caused by fungus on a plum leaf; 2, section through a pustule of conidia of same; 3, conidia of Exosforium tiliae ; 4, conidium of Sporodesmium brassicae; 5, Helminthosporium gram- inum on barley leaf; 6, conidia of same; 7, Aciinotnena rosae on rose leaf; 8, single blotch of same, showing perithecia ; 9, conidia of same; 10, conidiophores of Cercospora i-esedae; 11, single conidium of same. Figs. I, 5, and 7 about nat. size ; remainder highly mag. the grain by forming a blackish-brown, crust-like weft, which involves a portion or sometimes the whole of the ear. The inflorescence of various other grasses, as species of Festuca Triticum, Alopecun/s, etc., are also attacked. The inflores- cence is sometimes very much contorted, at others times it. 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 Massee, George, 1850-1917. New York : Macmillan
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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910
