MySheen

What if the cabbage gets Sclerotinia sclerotiorum?

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, Answer: low temperature and low light in early spring are beneficial to the occurrence of Sclerotinia sclerotiorum. After the plant is susceptible, it first appears waterlogged disease spot, and then turns into white disease spot, which seriously causes plant rot. Prevention and control methods: 1. Agricultural prevention and control. Rinse seeds with 10% salt water or 10% 20% ammonium sulfate before sowing, dry and sow seeds. ...

Answer: low temperature and low light in early spring are beneficial to the occurrence of Sclerotinia sclerotiorum. After the plant is susceptible, it first appears waterlogged disease spot, and then turns into white disease spot, which seriously causes plant rot. Prevention and control methods: 1. Agricultural prevention and control. Rinse seeds with 10% salt water or 10% 20% ammonium sulfate before sowing, dry and sow seeds. Setting the temperature of the seedling bed to 55 ℃ for 2 hours before sowing could kill the sclerotia in the soil. Rotation with cruciferous crops for 2-3 years. Dig deep into the soil and bury the remaining sclerotia in the soil layer below 10 cm. Apply sufficient base fertilizer, increase phosphorus and potassium fertilizer, and do not apply nitrogen fertilizer. Strengthen drainage to make the soil moderately dry. When diseased plants are found, they should be pulled out in time, and the diseased plants should be taken out of the field and burned or buried deeply. two。 Chemical control. The early stage of the disease should be protected by spraying in time, focusing on the base of plant stem, old leaves and ground. Can be mixed with 5% ammonium chloride powder 2% 2.5 kg fine soil 15 kg per mu and sprinkled between the rows. Spray 50% Sukeling wettable powder 2000 times liquid or 40% sclerotia net wettable powder liquid 2000 times, spray once every 7 to 10 days, 2 times for 3 times.

 
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