. The fungi which cause plant disease . Plant diseases; Fungi. 584 THE FUNGI WHICH CAUSE PLANT DISEASE Conidia densely spirally spicate at apices 12. Clonostachys. Conidia on small stalks 13. Sceptromyces. Conidia in chains 14. Spicaria, p. 585. VerticilUum Nees (p. 583) Hyphae creeping; conidiophores erect, verticellately branched; conidia borne singly at the apex of the branchlets, globose-ovoid, hyaline or light colored. A genus of some seventy-five species, which are in the main conidia of various species of Hypocreales. See p. 196. V. albo-atrum McA. is a weak wound parasite of the potato
. The fungi which cause plant disease . Plant diseases; Fungi. 584 THE FUNGI WHICH CAUSE PLANT DISEASE Conidia densely spirally spicate at apices 12. Clonostachys. Conidia on small stalks 13. Sceptromyces. Conidia in chains 14. Spicaria, p. 585. VerticilUum Nees (p. 583) Hyphae creeping; conidiophores erect, verticellately branched; conidia borne singly at the apex of the branchlets, globose-ovoid, hyaline or light colored. A genus of some seventy-five species, which are in the main conidia of various species of Hypocreales. See p. 196. V. albo-atrum McA. is a weak wound parasite of the potato. Verticilliopsis Cast (p. 583) Fertile hyphse with verticillate branches, 2 or 3 at each node; fertile branches clavate; conidia in heads, surrounded by a slime. A monotjrpic genus. V. infestans Cast, infects mushrooms in culture. Corymbomyces Appel & Strunk (p. 583) Sterile hjrphae creeping; fertile hyphaa erect, septate, dichoto- mous corymbose; conidia ellipsoid, clustered in gelatinous masses at the apex of the branches. A single species, C. albus Appel & Strunk. on cacao in Africa. Acrostalagmus Corda (p. 583) Hyphae creeping; conidio- phores erect, septate, richly verticillately branched; conidia borne in slimy heads on the enlarged end of the secondary branches. About fifteen species. Fig. 390.—Cross-section of a vascular ^' ^^US Preu. v^eu; Af™^^olk!"^'"^ " ^^ ^yP^® cespitose, effuse, slen- der, subangular, continuous or septate, conidiophores, 200-220 x m, erect; fertile branches continuous, straight or curved; conidia in spherical heads, &-10 n. 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 Stevens, Frank Lincoln, 1871-1934. New York : Macmillan
Size: 1987px × 1258px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1913
