MySheen

How to prevent and control the split skin of sweet potato

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, The diseases that cause the cracking of sweet potato are blister disease and nematode disease. Prevention and control measures: first, select disease-resistant varieties. Second, establish disease-free planting land and cultivate disease-free and strong seedlings. Seed potatoes were disinfected with warm water of 50 ℃ ~ 54 ℃ for 10 minutes. Third, carry out soil disinfection. Use 80% dibromochloropropane 1.5 kg / mu to water 100g / mu.

The diseases that cause the cracking of sweet potato are blister disease and nematode disease. Prevention and control measures: first, select disease-resistant varieties. Second, establish disease-free planting land and cultivate disease-free and strong seedlings. Seed potatoes were disinfected with warm water of 50 ℃ ~ 54 ℃ for 10 minutes. Third, carry out soil disinfection. 80% dibromochloropropane 1.5 kg to water 100 kg 150 kg per mu or 70% dibromoethane 2.5 kg to water 200 kg 300 kg per mu, ditching and spraying 20 days before planting and immediately covering soil and ridging. Fourth, crop rotation and crop rotation. The effect of rotation with peanut is better, and it can be rotated for one year. The rotation time with corn (2349, 8.00,0.34%) and sesame is longer, and 2 ~ 3 years is the best.

 
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