Onion, also known as garlic and onion, is a vegetable with high yield and wide planting. It has the characteristics of strong adaptability, storage and transportation during planting. Many areas of China have large-scale cultivation of onions. However, many areas have been seriously planted for years, causing serious damage to the onion leaf miner. The following small series introduces the occurrence characteristics and control measures of the onion leaf miner. First, the occurrence characteristics of onion leaf miner Onion leaf miner is also called meat mink, which is mainly harmful to onion leaves. The larvae will eat the mesophyll, causing the onion leaves to be grayish white. When the damage is serious, the leaves will wither and cause the yield to decrease. It usually starts around the beginning of May, and June-July is the peak of the hazard. Second, the prevention and control measures of onion leaf miner 1,5-7 months is the key prevention and treatment period of onion leaf miner. If there are sporadic adults, they should start taking medicine. The medicament may be a salt of a vitamin, a fluvalinate, a acetamiprid, an avid insecticide, a carbaryl salt, a acetamiprid, an avid nepicone or the like. The spraying time can be carried out at 9-10 hours. The liquid can be sprayed on the surface of the onion plant and the plant, and the best effect is obtained once every 7-10 days. 2, or according to adult insects on the sweet juice stronger, can be used to trap the sweet and sour liquid, the sweet and sour liquid formula is 1 part sugar, 1 part of vinegar, 2.5 parts of water, can add a small amount of enemy white worms mix well, with containers Good to place in the field to trap the adult. 3, also pay attention to clear the weeds in the field and next to, remove the damaged leaves in time, reduce the source of insects; implement formula fertilization or balanced fertilization, strengthen water and fertilizer management, so that plant growth is strong, can reduce the harm. 4, onion greenhouse cultivation, you can choose cyanopentanol smoked smoked shed, or use avermectin, emamectin benzoate, fly amide powder and other water spray control, usually once a week, once in a row 2-3 times. Onion leaf miner seriously harms the growth of onion and has a great influence on its yield and quality. Therefore, in order to ensure the maximum benefit of planting onions, it is necessary to make prevention and control plans for this pest to ensure onion yield and quality. For the wonderful pictures and popular comments on the onion leaf miner, you may be interested in the following recommended content, welcome to read. nitrile glove,latex glove,PVC glove,single pair packed latex glove,rubber glove Shandong Zhushi Pharmaceutical Group Co.,LTD , https://www.sdzs-medical.com
