氟吡菌胺·霜霉威悬浮剂对马铃薯晚疫病防效

Gansu Agricultural Science and Technology(2012)

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Abstract
试验观察了不同剂量687.5 g/L氟吡菌胺·霜霉威悬浮剂防治马铃薯晚疫病的田间效果,结果表明,以687.5 g/L氟吡菌胺·霜霉威悬浮剂400倍液的防效最佳,且大、中薯率和折合产量最高。其防效为80.95%,较58%甲霜.锰锌(58%宝大森)可湿性粉剂500倍液提高20.46百分点;大中薯率为84.55%,较58%甲霜·锰锌可湿性粉剂500倍液提高5.41百分点;折合产量为30 210.8 kg/hm2,较58%甲霜·锰锌(58%宝大森)可湿性粉剂500倍液增产7.81%。
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