. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 712 ADDITIONAL EXERCISES I. Key of Species Grown on Agar and Gelatin Media A. Species fruiting typically by coremia (vertical and definite). u. Coremia long (3 to 15 mm.). 1. Conidial masses strictly terminal, olive-green, fragrant. P. claviforme (Fig. 249). 2. Upper third of coremia fertile, conidia green. P. Duclauxii (Fig. 250). aa. Coremia Fig. 252.—PeniciUium roseum. a, b, c. Branching of conidial fructification, showing few cells of each verticil; d, e, conidiiferous cell
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 712 ADDITIONAL EXERCISES I. Key of Species Grown on Agar and Gelatin Media A. Species fruiting typically by coremia (vertical and definite). u. Coremia long (3 to 15 mm.). 1. Conidial masses strictly terminal, olive-green, fragrant. P. claviforme (Fig. 249). 2. Upper third of coremia fertile, conidia green. P. Duclauxii (Fig. 250). aa. Coremia Fig. 252.—PeniciUium roseum. a, b, c. Branching of conidial fructification, showing few cells of each verticil; d, e, conidiiferous cell and conidiospores; g. A, j, fe, sketches of ripe fructification showing agglutination of conidiospores into slimy masses. (After Thorn.) 1. Coremia definite, densely crowded, colony orange below. P. granu- lalum. 2. Coremiform character indicated in cultures by clustering of conidio- phores, definite coremia only in old cultures, becoming large and definite upon apples. P. expansum (Fig. 243). AA. Species not (or rarely) producing coremia in culture. B. Species constantly producing sclerotia, or ascigerous masses. b. Producing ascigerous masses, yellow, or reddish. P. luteum. bb. Sclerotia appearing as white masses in old cultures. P. italicum (Fig. L- 247). bbb. Sclerotia reddish or pink, globose or elliptic, sooM or less in 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 Harshberger, John W. (John William), 1869-1929. Philadelphia : P. Blakiston's Son & Co
Size: 1671px × 1495px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1917
