How to carry out pollution-free control of aphids on cauliflower-type vegetables
Viral disease is the main disease of broccoli, occurring commonly and severely. The disease patterns and control methods are described below: 1. Disease patterns: In areas where cruciferous vegetables are not planted in winter, the virus overwinters on stored Chinese cabbage, cabbage, radish, or overwintering spinach; where cruciferous vegetables are planted in winter,...
Aphids, commonly known as greasy bugs, cause the most severe damage during the seedling stage and the bolting and budding stage. They cause affected leaves to turn yellow and curl, seriously affecting the quality and yield of the vegetables. The pollution-free control methods for aphids on cauliflower-type vegetables are: 1. Select good varieties; 2. Sow appropriately late, keep the seedbed away from peach orchards and tobacco fields, and promptly clear weeds around the vegetable plot; 3. Use natural enemies; 4. Use yellow sticky boards to trap and kill; 5. Chemical control: use Kung Fu and pyrethroid insecticides for control, and transplant with the pesticide applied.