86.2%铜大师防治柑桔疮痂病田间药效试验

Field drug efficacy experiment about using Cuprousoxide to prevent and cure the disease of Citrus scab

用86.2%铜大师、75%可杀得和75%百菌清等3种不同药剂进行柑桔疮痂病防治田间药效试验,于用药后7d、14d、21d分别调查发病情况,结果表明这几种药剂间的防治效果差异非常显著,其中以86.2%铜大师1000倍的防治效果最佳。

Using three different medicaments,which are Cuprousoxide（86.2%）,Kocide（75%） and Chlorothalonil（75%） to prevent the disease of Citrus scab.The research was made after 7,14,21 days after using those medicaments, and the results showed that the difference of prevention effect was extremely remarkable. Among those medicaments, cuprousoxide had the best effect.