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田间试验结果表明，可杀得２０００ＤＦ对温室内番茄早疫病具有较好的防效，能有效控制病 害的扩展蔓延。田间适宜使用浓度为 ８００～１１００倍，持效期可达 １０ 天以上。
The results of field experiments showed that 2000DF could kill tomato early blight in tomato greenhouse with good control effect and effectively control the spread of the disease. Suitable for use in the field of 800 to 1100 times the concentration, duration of up to 10 days or more.