. Fig. 33. Diseases of the Cauliflower and Radish. a. Spot disease of cauliflower (after McCuUoch), b. white rust of radish, c. conidio- phore of the white rust fungus, Cystopus candidus, d. fertilization in Albugo Candida, e. germination of the oospore of Albugo Candida, f. ring spot on cauliflower head. g. perithecium of Mycosphcerella brassicicola, h. ascus of MycosphcrrcUa brassicicola, i. ascospores of Mycosphmrella brassicicola (g. to i. after Osmun and Anderson).


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