几种药剂对脐橙储藏期病害的防治效果比较研究

用7组药剂分别对纽荷尔脐橙做浸果处理，处理至135天，结果显示：百可得 咪鲜胺处理组烂果率7.78%，病情指数4.81，防效75.5%；咪鲜胺处理组烂果率13.33%，病情指数8.52，防效56.6%；百可得 抑霉唑处理组烂果率14.44%，病情指数8.15，防效58.48%；清水处理组烂果率30%，病情指数19.63。百可得 咪鲜胺处理组储藏效果最好，其次是咪鲜胺处理组和百可得 抑霉唑处理组。在脐橙的储藏保鲜中推荐使用百可得与咪鲜胺或抑霉唑混配或咪鲜胺单剂。

Comparison on the Control Effects of Different Fungicides on Newhall Navel Orange Storage Diseases

Effects of different fungicides on newhall navel orange storage diseases were evaluated. Results showed that after treated with Belkute plus Prochloraz, the decay rate of fruits was 7.78% , the disease index was 4.81 and the control effect was 75.5%. After treated with Prochloraz, the decay rate of fruits was 13.33% , the disease index was 8.52 and the control effect was 56.66%. After treated with Belkute plus Imazalil, the decay rate of fruits was 14.44% , the disease index was 8.15 and the control effect was 58.48%. After treated with water, the decay rate of fruits was 30% and the disease index was 19.63. Preservative of Belkute plus Prochloraz, Prochloraz and Belkute plus Imazalil were excellent than other treatments. It was suggested that the use of Belkute plus Prochloraz, Prochloraz and Belkute plus Imazalil should be recommended in the control of newhall navel orange storage diseases.