麥健輝 ·高級農(nóng)藝師
2022-09-10
這位農(nóng)友您好從你圖片來分析是霜霉病,噴藥防治:發(fā)病初期,可噴25%驅(qū)霜乳油1500倍液,或72.2%霜霉威水劑800倍液,或75%百菌清可濕性粉劑600倍液,或58%甲霜靈錳鋅可濕性粉劑500倍液,或50%安克錳鋅可濕性粉劑500倍液,或70%百得富可濕性粉劑600倍液,或72%克露可濕性粉劑800倍液,或52.5%抑快凈水劑2000倍液,或72.2%普力克水劑800倍液,或25%甲霜靈可濕性粉劑800倍液,或50%甲霜銅可濕性粉劑500倍液,或40%乙磷鋁可濕性粉劑250倍液,或64%殺毒礬可濕性粉劑400倍液,或70%代森錳鋅可濕性粉劑300倍液,或50%甲基硫菌靈可濕性粉劑800倍液等藥劑防治。噴藥時著重噴灑植株下部葉片。每隔7天左右噴1次,連噴2-3次
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