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治梨树黑星病用什么农药效果好

更新时间: 2020-11-08 00:00:00     

治梨树黑星病用靓果安150-300倍+大蒜油1000倍+沃丰素600倍+有机硅喷雾2次,每次间隔10天左右。黑星病是一种检疫性病害,除危害黄瓜外,还可危害西葫芦、甜瓜、南瓜等。我县近年来以温室大棚黄瓜发病较重,造成黄瓜减产。

关键词: 梨树 什么 农药 效果

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