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__ 6 ounces 100 square yards amount of benzol amount of paradichlorobenzene application blue mold control blue-mold disease cloudy control of blue cool copper oxide Cuprocide disease reappeared diseased leaves downy coating emulsiﬁed emulsify excessive amounts feet 8 inches ﬁeld ﬁrst appearance ﬁrst outbreaks ﬁrst signs fourth night fumigation with benzol fungus germination heavy cover I I I I.II I.III II-II II..III II.II IIII IIIII IIIII..III IIIIIIIIIIIIII inches wide injurious to tobacco large number leaf leaves Fig methods mixture mold is present mold parasite night temperature oospores pan type paradichlorobenzene crystals paradichlorobenzene fumigation pint quart Water preferably quarts of benzol quarts to 100 rain red copper oxide regular seedbed cover seed seed-like bodies Sheeting as seedbed sporangia spray tank spreader supply of plants symptoms three treatments tightly tobacco seedlings transplanting treatment is started type of evaporators Vatsol OTC warm weather conditions yards of seedbed yellow copper oxide