可用25%甲霜灵霜霉威500倍液或64%恶霜灵锰锌500倍液或58%甲霜锰锌500倍液或72.2%霜霉威盐酸800倍液喷雾。在空气湿度大时,会有细菌性病害发生,所以在用药时应双向治疗,可用25%甲霜灵霜霉威500倍+20%叶枯唑600倍液或64%恶霜灵锰锌500倍液+2%春雷霉素500倍液喷雾,5~7天喷施一次,可双向治疗甘蓝和菜花的霜霉病、绵疫病、细菌性黑腐病和细菌性软腐病。 |
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