. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. PHYLLACTINIA '53 The fungus is common on many wild plants, as meadow- sweet, yarrow, willow-herbs, geraniums, agrimony, etc.; all such should be kept away from the vicinity of hop fields. Sulphur in some form has proved to be the best fungi- cide. Flowers-of-sulphur should be dredged on the plants during sunshine, as then fumes are given off. Sulphide of. Fig. 2,^.—Phyllactinia siiffulta. i, hazel leaf with patches of mildew; 2, perithecia, a, appendages


. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. PHYLLACTINIA '53 The fungus is common on many wild plants, as meadow- sweet, yarrow, willow-herbs, geraniums, agrimony, etc.; all such should be kept away from the vicinity of hop fields. Sulphur in some form has proved to be the best fungi- cide. Flowers-of-sulphur should be dredged on the plants during sunshine, as then fumes are given off. Sulphide of. Fig. 2,^.—Phyllactinia siiffulta. i, hazel leaf with patches of mildew; 2, perithecia, a, appendages ; b, mycelium ; c, ascus escapingfrom a perithecium « ; 3, asci containing spores. Fig. i somewhat reduced ; remainder highly mag. potassium in solution should also answer, commenced sufficiently early in the season. if sprayinc PHYLLACTINIA (Lkv.) Perithecia depressed, appendages straight, sharp pointed, with a bulbous base; asci many, rarely 3-4 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 Massee, George, 1850-1917. New York : Macmillan


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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910