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通过苯醚·咪鲜胺35%水乳剂对黄瓜靶斑病进行田间药效防治试验,结果表明:在黄瓜靶斑病发生中前期,喷施苯醚.咪鲜胺35%水乳剂750、500、300倍液防治黄瓜靶斑病,药后5d,防效分别为63.55%、70.03%和70.63%;间隔7d进行2次施药,药后7d,防效分别为51.63%、61.62%和62.05%。苯醚.咪鲜胺35%水乳剂500、300倍液和对照药剂多抗霉素3%可湿性粉剂300倍液对黄瓜靶斑病的防治效果相当,都显著高于750倍液。该药剂可以做为防治黄瓜靶斑病的重要轮换产品,进行推广应用,且对黄瓜安全性良好。
The results showed that phenylephrine and prochloraz 35% aqueous emulsion were used to control cucumber target leaf spot in the field. , Respectively. The control effect was 63.55%, 70.03% and 70.63% respectively after 5 days of drug application. The control effect was 51.63%, 61.62% and 62.05 %. Phenylephrine proctamine 35% aqueous emulsion 500,300 times and the control agent Polyoxin 3% wettable powder 300 times the cucumber target spots prevention and treatment of the same effect, were significantly higher than 750 times the solution. The medicament can be used as an important rotation product for cucumber target spot disease, and has been popularized and applied, and has good safety to cucumber.