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对油菜有明显危害性的害虫是蚜虫、潜叶蝇和小菜蛾.被小菜蛾食损的青角,会影响进行光合作用而降低产量(一般减产1.5～2%).去年在油莱初花期,我们发现潜叶蝇为害严重,当时正是小菜蛾成虫的高峰期,又是油菜喷硼的好时机.如果把防治潜叶蝇的乐果和硼砂混在一超,会使乐果失效.因此,我们进行了硼砂加敌百虫(晶体)喷油菜的试验,收到了既按期喷硼又防治虫害的效果.
Pests that are obviously harmful to rape are aphids, leaf miner, and diamondback moth, and the green angle damaged by diamondback moth may affect the photosynthesis and reduce the yield (generally 1.5 to 2%). Last year, , We found that leaf miner infestation is serious, at that time, it was the peak of adults of Plutella xylostella and a good time for rapeseed spraying. If the momordicambarin and borax were mixed together, the fruit would fail. , We conducted a trial of borax plus trichlorfon (crystal) rapeseed and received the effect of both regular spraying of boron and pest control.