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How does ginseng gray mildew prevent?

Published: 2024-11-05 Author: mysheen
Last Updated: 2024/11/05, How does ginseng gray mildew prevent? Please introduce the method of ginseng gray mold symptoms: damage ginseng leaves, leaf spots limited by veins, polygonal or irregular shape. Light brown, the back of the spot sparsely grayish white or yellowish thin mold layer, that is, the sporangium and sporangium of the pathogen. The late stage of the disease is easy to break...

How to prevent and cure ginseng botrytis? Please introduce the symptoms of Ginseng Botrytis cinerea: damage to ginseng leaves, the disease spot on the leaf is limited by the vein, showing polygonal or irregular shape. A light brown, sparse gray-white or yellowish thin mildew layer on the back of the lesion, that is, the cyst peduncle and sporangium of the pathogen. In the later stage, the lesion tissue was easy to break and fall off, and the leaves were perforated. Prevention and control measures of Ginseng Botrytis cinerea: 1. Adjust the microclimate to prevent excessive humidity in the air around ginseng. 2. Strengthen the field management: select the land with good drainage to adjust the light reasonably, repair the leaky ginseng shed in time, and apply medicine in time to prevent and cure the rainy season. 3, chemical control: the best effect is 1500 times with 80% pyrimidine, or 1000 times with 50% pyrimidine. Click to get more ginseng planting technology click to get more medicinal material planting technology

 
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