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6种杀菌剂对西瓜炭疽病的防效试验

Efficacy Test of Six Fungicides on Controlling Anthracnose of Bitter Gourd

DOI：

英文关键词:Key words: Hainan Fungicide Watermelon Anthracnose Control

基金项目:基金项目：公益性行业（农业）科研专项（201503123-10）；海南产学研一体化专项（CXY20150029）；中国热带农业科学院基本科研业务费专项（1630032017028）。

作者	单位
李汉丰，杜公福，党选民，戚志强*	中国热带农业科学院热带作物品种资源研究所/农业部华南作物基因资源与种质创制重点开放实验室，海南儋州571737

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中文摘要:

采用6种杀菌剂对西瓜炭疽病进行田间药效试验。3次药后试验结果表明：50%咪鲜胺锰盐可湿性粉剂和25%吡唑醚菌酯乳油效果最好，防效在73%以上；10%苯醚甲环唑水分散粒剂和25%溴菌腈可湿性粉剂防效次之，防效在67%以上；50%多菌灵可湿性粉剂和80%代森锰锌可湿性粉剂防效较差，防效为50%左右。药剂处理后，50%咪鲜胺锰盐可湿性粉剂、25%吡唑醚菌酯乳油和对照，中心可溶性固形物含量分别为11.8%、12.0%、9.8%；两种药剂比对照分别增产30.96%、28.26%，增产效果显著。因此，推荐50%咪鲜胺锰盐可湿性粉剂和25%吡唑醚菌酯乳油为目前防治西瓜炭疽病的理想药剂。

英文摘要:

Abstract：Six fungicides was used on Watermelon Anthracnose to evaluate the field control efficiency. The results showed that, prochloraz-manganese chloride complex and pyraclostrobin possessed the best control effects, with their control efficiency higher than 73%; and difenoconazole and bromothalonil hadrelatively better control effects, with their control efficiency higher than 67%; while carbendazim andmancozeb had the relatively worse control effect, with the control efficiency around of 50%. After chemicaltreatment, prochloraz-manganese chloride complex, pyraclostrobin and the control(CK), soluble solidscontent was respectively 11.8%, 12.0%, 9.8%, while their yield was 30.96% and 28.26% higher than that of the control. Therefore, prochloraz-manganese chloride complex and pyraclostrobin were the ideal fungicides for controlling Watermelon Anthracnose.

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