几种药剂防治脐橙溃疡病田间药效试验

Field Efficacy of Germicides Against Citrus Canker in Navel Orange

通过选择5种药剂,在屏南县康里村大塆脐橙园开展了脐橙溃疡病防治试验。试验结果表明:5种药剂对脐橙春梢、夏梢、秋梢和果实的溃疡病均有防效,依据防效提出春梢、夏梢以20%噻菌铜(龙克菌)、47%春雷?王铜等铜制剂防治为主,秋梢及果实膨大期至果实成熟前以靓果安等生物制剂为主,铜制剂为辅的防治方针,以期为屏南脐橙溃疡病的防治提供参考。

Experiments of five kinds of drugs against navel orange canker were carried out in Dawan Navel Orange Field, Kangli Village, Pingnan County. The results showed that those five drugs all showed control effects on navel orange canker on the spring shoots, summer shoots, autumn shoots and fruits. According to the control effects, guiding principles were put forward as follows： Cupper fungicides like 20 percent of thiodiazole-copper and 47 percent of kasugamycin;copper oxychloride, could be preferred for the spring shoots and summer shoots; biological agents like Liangguoan could be preferred for autumn shoots and from the period of fruit expanding to its maturation; copper fungicides as the first prevention, biological agents the second. These provide reference to the control of navel orange canker in Pingnan County.