... Greyish-yellow powder. M.p. Decomposes at 192-204 V.p. Negligible at 20 S.g./density 1.92 Solubility In ... of early and late blights of potatoes and tomatoes (at 1.36 kg a.i./ha); Rhizoctonia solani ... vegetables, roses, carnations, asparagus, beans, apples and plums (at 1.6 kg/ha); downy mildews on hops, vines, onions ... obtusa on apples; scab on apples and pears (at 2.4-3.6 kg/ha); sigatoka disease ( ...