The Key Points of Field Management in the Late Stage of Rape Growth in the Yangtze River Basin
2022-11-20 09:05:41
Since the fall of autumn last year, the temperature in the main rapeseed production area in the Yangtze River Basin has been high, the growth and development of rapeseed has been faster than normal, and the seedling growth has generally been better. After the spring, the weather is good, precipitation is suitable, and the rapeseed is better than in previous years, and the yield is expected to exceed in previous years. Combining the current situation of the seedlings and the weather trends, the rapeseed should be controlled at the late stage of growth with the prevention of sclerotinia and high temperatures, and ensure safe harvesting. Scientific management should be conducted in the field.
Clearance of large-scale precipitation often occurs during the development and maturation period of rape in the gully. The low-lying plots will form waterlogging disasters, which will easily lead to oxygen-depleted rot and lodging of rapeseed plants and reduce plant resistance. After the end of the rapeseed, it is necessary to clean up the trenches in good time in good weather to maintain the communication between the trenches and the drainage.
Prevention of Sclerotinia The rapeseed will enter the final flowering period in the middle and lower reaches of the Yangtze River. The production areas that have suffered severe disease over the years should be based on the incidence of sclerotial disease, and use 25% Prochloraz EC 50ml or 50% Procymidone WP per acre. 60 ~ 100 grams or 40% sclerotin net wettable powder 100 ~ 150 grams, etc., add 25 ~ 30 kg of water evenly spray, to strengthen the prevention and treatment of sclerotinia.
Prevention of locusts The middle and lower reaches of the Yangtze River are prone to hot and dry weather in the late spring and early summer. Attention should be paid to the prevention and control of locusts. Can be used anti-influx, lambda-cyhalothrin, nitenpyram, imidacloprid and other drug spray control, locusts have the characteristics of migration, the best defense rule.
Harvest timely and vigorously promote the mechanized harvesting technology of rape, and improve the harvesting efficiency and efficiency. For those varieties with strong resistance to cracking angle, strong lodging resistance and early ripening period, all the rapeseed plants in the field were dark yellow and the water content of the seeds was 20%. The harvest was combined with a 4LL-2.0D rape combine harvester once. At present, most of rapeseed varieties promoted in production can be harvested in stages. When 80% of the rapeseed plants in the whole field are yellowish, the 4SY-2.0 rapeseed cutting machine or manual cutting is used. After 5 to 7 days, 4SJ is used. - 1.8 self-propelled pick-up thresher is picked up or manually picked and threshed with a rice harvester.
Clearance of large-scale precipitation often occurs during the development and maturation period of rape in the gully. The low-lying plots will form waterlogging disasters, which will easily lead to oxygen-depleted rot and lodging of rapeseed plants and reduce plant resistance. After the end of the rapeseed, it is necessary to clean up the trenches in good time in good weather to maintain the communication between the trenches and the drainage.
Prevention of Sclerotinia The rapeseed will enter the final flowering period in the middle and lower reaches of the Yangtze River. The production areas that have suffered severe disease over the years should be based on the incidence of sclerotial disease, and use 25% Prochloraz EC 50ml or 50% Procymidone WP per acre. 60 ~ 100 grams or 40% sclerotin net wettable powder 100 ~ 150 grams, etc., add 25 ~ 30 kg of water evenly spray, to strengthen the prevention and treatment of sclerotinia.
Prevention of locusts The middle and lower reaches of the Yangtze River are prone to hot and dry weather in the late spring and early summer. Attention should be paid to the prevention and control of locusts. Can be used anti-influx, lambda-cyhalothrin, nitenpyram, imidacloprid and other drug spray control, locusts have the characteristics of migration, the best defense rule.
Harvest timely and vigorously promote the mechanized harvesting technology of rape, and improve the harvesting efficiency and efficiency. For those varieties with strong resistance to cracking angle, strong lodging resistance and early ripening period, all the rapeseed plants in the field were dark yellow and the water content of the seeds was 20%. The harvest was combined with a 4LL-2.0D rape combine harvester once. At present, most of rapeseed varieties promoted in production can be harvested in stages. When 80% of the rapeseed plants in the whole field are yellowish, the 4SY-2.0 rapeseed cutting machine or manual cutting is used. After 5 to 7 days, 4SJ is used. - 1.8 self-propelled pick-up thresher is picked up or manually picked and threshed with a rice harvester.
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