. Fio. iO.—Plasmo2> viticota. Conidiophores, much enlarged, (v. Tubeuf del.) tion in rain-drops discharge six to eight swarming cells from which germ-tubes grow into the epidermis of the host-plant ; thus the disease spreads rapidly during moist weather and a Peronospora vtticola, 1890. Magniis, Witt7)iarJ:'s Gartenzeit, 1883. Scribner, Iie2Jort of Dtqit. of Agriculture for 1S86, pp. 96-105 ; this contains an excellent account of this mildew. Articles on this subject dealing with remedial measures are frequently published in the Amer. Department reports bulletins, in the
. Fio. iO.—Plasmo2> viticota. Conidiophores, much enlarged, (v. Tubeuf del.) tion in rain-drops discharge six to eight swarming cells from which germ-tubes grow into the epidermis of the host-plant ; thus the disease spreads rapidly during moist weather and a Peronospora vtticola, 1890. Magniis, Witt7)iarJ:'s Gartenzeit, 1883. Scribner, Iie2Jort of Dtqit. of Agriculture for 1S86, pp. 96-105 ; this contains an excellent account of this mildew. Articles on this subject dealing with remedial measures are frequently published in the Amer. Department reports bulletins, in the bulletins from experimental stations, and in the horticultural journals. 1 Seymour and Farlow give it as occuring on every American species of Vitis. I
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