| 5种杀菌剂对海南枫木苦瓜白粉病防效试验 |
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| 引用本文： | 杜公福,刘昭华,牛玉,戚志强,韩旭,杨衍.5种杀菌剂对海南枫木苦瓜白粉病防效试验[J].长江蔬菜,2015(20). |
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| 作者姓名： | 杜公福 刘昭华 牛玉 戚志强 韩旭 杨衍 |
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| 作者单位： | 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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| 摘 要： | 采用5种杀菌剂对苦瓜白粉病进行田间药效试验。试验结果表明，42.8%氟菌·肟菌酯悬浮剂、36%硝苯菌酯乳油效果最好，防效在85%以上；33%寡糖·戊唑醇悬浮剂、25%吡唑醚菌酯乳油防效次之，防效在79%以上；250 g/L嘧菌酯悬浮剂防效较差，防效为70.76%；42.8%氟菌·肟菌酯悬浮剂、36%硝苯菌酯乳油处理后的苦瓜叶片叶绿素含量分别为2.83 mg/g、2.54 mg/g；产量比清水对照分别增产16.53%、12.61%。因此，42.8%氟菌·肟菌酯悬浮剂、36%硝苯菌酯乳油为目前防治苦瓜白粉病的理想药剂。
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| 关 键 词： | 杀菌剂 白粉病 苦瓜 |
Efficacy Test of 5 Fungicides on Controlling Fengmu Bitter Gourd Powdery mildew in Hainan |
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| Abstract: | We evaluated the field control efficiency of 5 fungicides on balsam pear powdery mildew. The results showed that, 42.8% fluopyram·trifloxystrobin and 36% meptyldinocap displayed the best control effects, with above 85% in pro-portion; 33% oligosaccharins·tebuconazole and 25% pyraclostrobin had relatively better control effects, with above 79% in proportion; while 250 g/L azoxystrobin had the relatively worse control effect, which is 70.76% in proportion. With pesti-cide treatment, 42.8% fluopyram·trifloxystrobin、36% meptyldinocap and CK chlorophyll content was respectively 2.83mg/g、2.54mg/g、2.47mg/g, while their yield was 16.53% and 12.61% higher than that of control. Therefore, 42.8% fluopyram· trifloxystrobin and 36% meptyldinocap were the ideal fungicide to control balsam pear powdery mildew. |
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| Keywords: | Fungicides Powdery mildew Bitter Gourd |
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