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辣椒矮小不長怎麼做
辣椒矮小不長怎麼做
更新时间:2024-10-21 07:03:02

  1、農業防治

  選用抗病品種;采用黃闆誘殺蛛蟲;種子消毒,催芽前種子用10%磷酸三鈉浸種20min,清水洗淨後催芽播種;與高稈作物間作,如黃瓜、玉米等,減輕病毒病的危害;加強田間管理,适期早播,不能連作,多施磷、鉀肥,同時清潔田園,減少菌源。

  2、化學防治

  藥劑防蛛用蔬果磷1500倍液,或2.5%天王星乳油3000倍液等。病毒病發病前或發病初期,可選用0.1%高錳酸鉀液,或22%椒豐王可濕性粉劑500倍液,或20%病毒A500倍液,或5%菌毒清水劑400倍液,或增抗劑NS-83用100倍液噴灑,每隔7~10d噴1次,連續防治2~3次。

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