The current vegetable field should re-defense

The yellow-trickle-jump bat, also known as the yellow-flesh hop, is commonly known as the fleas and ground lice. It belongs to the Coleoptera family and has severe disease in vegetable fields in our country, especially for cruciferous crops such as rape, cabbage, radish, mustard and cauliflower. Vegetables are a serious problem. The worms occur in our province for 4 to 5 generations a year. Generally, spring and autumn are the culmination of the disease. Currently, it is the period of rapid growth of Chinese cabbage and rapeseed. It is important to prevent yellow song strips and reduce losses.

Damage characteristics: Adults and larvae can all be harmed. Adults mainly eat leaves, eat leafy meat, and bite the leaves into many small holes. After the seedlings are killed, they cannot continue to grow and die, causing seedlings to be destroyed. The larvae live in the soil and feed on the roots, causing the leaves on the ground to turn yellow and wilting, affecting the seedlings. In addition, the resulting wounds are susceptible to soft rot.

Control measures: 1. Remove defoliants from the vegetable garden, eliminate weeds, and reduce the source of insects.

2. In a timely investigation, it was found that when this insect is damaged and the broken leaf reaches 5%, the medicine is used for prevention and treatment in time. One is spray and the other is rooting. The agent can be selected as follows: 50% phoxim EC 1000 times, 48% chlorpyrifos (Rothsben) EC 1500 times, 5% fluorinated chloramphenicol 1500 times, 5% fipronil ) 1500 to 3000 times the suspension agent, 10% imidacloprid wettable powder 3000 times.

3. Conditional insect traps can be installed in the park to trap adult insects.

4. Because adults and larvae are all harmful, simply spraying or irrigating roots can only control part of them and the effect is not good. In the adult, larvae during the peak period of irrigation and spraying should be carried out simultaneously, and unified control, pay attention to alternate rotation of medication.

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