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咖啡常见病害及其防治１叶锈病（ＨｅｍｉｌｅｉａｖａｓｔａｔｒｌｘＢ．＆Ｂ。）用０．５％波尔多液或０．０３％有效成分的２０％萎锈散乳油每年喷雾３次，或用０．０２％有效成分的２５％三唆二甲酮可湿性粉剂每年喷雾二次。ｌ）用０．５％波尔多液（Ｉｋｇ：Ｉｋｇ：...
Common diseases and control of coffee 1 leaf rust (HemileiavastatrlxB. & B) with 0.5% Bordeaux mixture or 0.03% of the active ingredients of 20% of the rust spray bulk oil three times a year spray, or with 0.02% active ingredient 25% of three-dimensional dimethyl ether wettable powder spray twice a year. l) 0.5% Bordeaux mixture (Ikg: Ikg: ...