How to treat aphids?

How to treat aphids? What are the simple prevention and control methods for aphids? We also ask experienced netizens to introduce that aphids are the most common pests and one of the most destructive pests in the world, and that aphids have a strong fecundity, mainly because female aphids can reproduce as soon as they are born. It can reproduce 10 to 30 generations a year. Therefore, the farming network has sorted out the prevention and control methods of aphids, which are listed in detail below for netizens' reference. The prevention and control methods of aphids: first, use the sticky yellow board to trap and kill aphids: set up a yellow plate on the ground or in the greenhouse, the method is to use 0.33m2 plastic film, painted golden yellow, and then coated with a layer of Vaseline or engine oil, the frame is 0.5m above the ground, which can trap and kill a large number of winged aphids. Click to view > method of making armyworm yellow board 2. Use natural enemies to control aphids: there are many kinds of natural enemies of aphids, such as ladybugs, lacewings, aphid flies, flower bugs, aphid cocoon wasps, aphid Xiaofeng, etc., which can be introduced, propagated or released. When there are a certain amount of beneficial insects in the field, do not apply pesticides blindly, but control the damage of aphids by protecting their natural enemies. This is also advocated by the development of green and ecological agriculture. Method 3. Use silver-gray plastic strips to avoid aphids: because silver-gray has a strong tendency to avoid aphids, you can hang silver-gray plastic strips or spread silver-gray plastic film in the garden to avoid aphids. This method has a good effect on aphid migration and transmission of virus. Method 4. Use aphid sex pheromone to trap and kill: drop aphid pheromone (400 ml) into a brown plastic bottle, hang the bottle in the garden, and place a water basin under it to make the induced aphids fall into the water and die. Method 5. Plant ash solution is used to avoid aphids: 10 kg of plant ash is used, soaked in 50 kg of water for 24 hours, then filtered out. 25 grams of 80% crystal trichlorfon is added to the filtrate (or not), mixed and sprayed to control aphids, cabbage pests and other pests. Spray once every 7-8 days, three times in a row, and the effect is good. Method 6. Seed coating agent is used to control aphids: 40% phoxim can be used to mix seeds according to 0.2% seed quantity, or 48% chlorpyrifos EC can be used to mix seeds according to 0.3% seed weight, and pile up for 4-6 hours after mixing. It can effectively control mole cricket, grub, golden needle insects and other underground pests, as well as red spiders, aphids and gray planthoppers at seedling stage. Click to view > > points for attention in the use of seed coating agents. 7. use agents to control aphids: it is recommended to choose high-efficient, low-toxic and low-residue pesticides, and a variety of pesticides should be used alternately to delay the emergence of aphid drug resistance. For example, 10% imidacloprid wettable powder 2000 times liquid spray control; 1.8% avermectin 3000 times liquid spray control; 10% nicotine EC 500 times 1000 times liquid spray control; 50% aldicarb wettable powder 2500 times liquid spray control. What pests can imidacloprid control? what is Bacillus thuringiensis?