Three strokes to prevent potato scab

2023-08-26 11:09:54

Potato scab damage is the stems and tubers of potato, which infects stems and leaves, causes leaves to lose green and yellow, grows declining, premature senescence of plants, and then infects potato chips, forming dark brown spots on the surface of potato tubers, highlighting epidermis and forming scars. To make the potato block deformed and rot in severe cases. Take the following three measures to completely cure potato scab:

The first trick: carbendazim seed dressing. When planting potatoes, after cutting the seed potatoes, the wounds are smashed with 80% carbendazim WP, and the wounds are covered with carbendazim powder and then planted, which can significantly reduce the incidence of potato chips. Linyi Fertilizer Network Copyright
The second measure: foliar spray, during the growth and development of the potato, spray 1000 times 80% methyl thiophanate aqueous solution every 15~20 days, or 1000 times 80% chlorothalonil aqueous solution, or 1000 times 80 % Daisen manganese zinc solution, sprayed continuously for 2~3 times. Linyi Fertilizer Network Copyright
The third measure: root leaching. During the expansion of the potato underground potato block, the roots were washed once every 10-15 days with 600 times 80% sodium sulfonate aqueous solution, or 800 times 1.8% octosamine acetate aqueous solution, or 1000 times 46.1% copper hydroxide aqueous solution. Linyi Fertilizer Network Copyright
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Grinding Cloth Toll

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