How to control peanut bacterial wilt?
How to control peanut bacterial wilt? (1) rotation: the rotation of water and drought has obvious effect after 1 to 2 years. The rotation of dry land and cereal crops was 1 ~ 3 years in mildly diseased land and 4 ~ 5 years in seriously diseased land. (2) selection of disease-resistant varieties: at present, the disease-resistant varieties popularized are Xie Kangqing, Ehua 5, Zhonghua 2, You92, Guiyou 28, Luhua 3 and so on, which can be selected according to local conditions. (3) strengthen cultivation management: timely discharge of stagnant water in peanut field; improve soil; increase application of organic fertilizer. (4) Chemical control: 25% Dixushuang wettable powder, 2.5kg per mu, mixed with medicinal soil cover seed, or irrigated root with 1000 times liquid.
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What is the benefit of organic fertilizer to the growth and development of peanut?
What is peanut inverted seedling disease? Peanut inverted seedling disease is also called peanut stem rot and foot rot. The injured cotyledons were dark brown before the seedlings were unearthed. The pathogen invaded the base of the plant stem along the cotyledon petiole, producing yellow spots at first, and then turning brown. The development of the disease spot causes the stem base tissue to rot. When the spot expands around the base of the stem, the ground wilts.
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How to control peanut stem rot?
How to control peanut stem rot? (1) keep good seed: choose summer peanut to keep seed. Harvest in advance on sunny days, dry in the sun, store in a dry place, and choose large healthy seeds before sowing. (2) seed disinfection: 50% carbendazim wettable powder 0.3%, 25% carbendazim wettable powder 0.
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