Q: Sun Fukang, Dangtu County, Anhui Province: Will phytotoxicity be caused by pyrimethanil in the grape bud stage?
Answer: Pyrimethanil is suitable for the control of fruit trees, vegetables and flowers, gray mold, pear leaf spot. The use of pyrimethanil is safer under normal circumstances. Only when the pesticides are applied at high temperatures and in poorly ventilated greenhouses and greenhouses do they produce phytotoxicity. Crop leaves appear brown spots. It is understood that the use of pyrimethanil in the bud stage will not produce phytotoxicity, but should pay attention to avoid flowering during the flowering period, so as not to affect the pollination and fertilization.
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