The current positive value of rape budding and flowering period is a critical period for rapeseed formation and pest control. Therefore, we must seize the favorable opportunity to carry out "two preventions and one spray" to control the damage of sclerotinia sclerotiorum and aphids and spray boron fertilizer to increase the yield of rapeseed. First, the spray time Cloudy day-long spray, sunny before 11 am, after 15 pm spray effect is good. Breezy winds should be sprayed in the breeze days, and should not be sprayed in the windy days. Second, control methods 1. Sclerotinia prevention and control: During convulsions, 100 g of potassium dihydrogen phosphate, 50% of carbendazim WP or 40% of sclerotium, 100 g of WP, 100 g of water, 50 kg of spray, and plants. All fields were sprayed, the first flowering period, the full flowering period, and the joint angle period were each sprayed one time. At the same time, the old, yellow and diseased leaves in the middle and lower parts of the plant were removed and taken out of the field. 2. Locust control: Acres with 1.5% avivimidine 25-40 grams or 10 grams of imidacloprid or enemy killed 15-20 ml. Plus 25% carbendazim WP 100 grams or 40% sclerotin net 100-150 grams of wettable powder, watered 30-40 kg spray pests and curettage. 3. Spray boron fertilizer: Spray 100 grams of common boron fertilizer per acre; add 200 grams of potassium dihydrogen phosphate or add 0.5-1 kg of urea to the nutrition-deficit field, evenly spray 75 kg of water. 4, at the same time to clear the ditch, clear the "three ditch", arrange bright, eliminate dark stains, and promote the normal growth of rapeseed roots. Large Connectable LED Mattress led light therapy before and after, platinum led therapy lights,red light therapy near me blue led light therapy,led light therapy facial,led light therapy benefits,led light therapy machine,green led light therapy,infrared light therapy Shenzhen Guangyang Zhongkang Technology Co., Ltd. , https://www.szlighttherapymachine.com