. The Botrytis blight of tulips ... Botrytis; Tulips. The Botrytis Blight of Tulips 333 dry, the conidiophore is flattened and twisted on its axis, and is slightly- swollen at the base (fig. 33). The branches of the conidiophore rise from the main stalk at an angle of about 60 degrees, and their ultimate ends, which bear the conidia, are somewhat swollen. The conidia are produced on these swollen ends by a pushing out of the protoplasm in a bud- like manner, but they shortly assume a definite shape. When mature, they remain attached by short sterigmata (figs. 34 and 35). Various stages of coni
. The Botrytis blight of tulips ... Botrytis; Tulips. The Botrytis Blight of Tulips 333 dry, the conidiophore is flattened and twisted on its axis, and is slightly- swollen at the base (fig. 33). The branches of the conidiophore rise from the main stalk at an angle of about 60 degrees, and their ultimate ends, which bear the conidia, are somewhat swollen. The conidia are produced on these swollen ends by a pushing out of the protoplasm in a bud- like manner, but they shortly assume a definite shape. When mature, they remain attached by short sterigmata (figs. 34 and 35). Various stages of conidial formation. Fig. 34. ATTACHMENT OF CONIDIA TULIPAE. X 600 OF BOTRYTIS Camera-lucida outline of conidia shown in fig. 35. Proliferation of the conidiophore has taken place after the formation of conidia on the 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 Hopkins, Edwin Fraser, 1891- [from old catalog]. [Ithaca]
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttulips, bookyear1921
