The bean borer, also known as pod bean pods, is one of the major pests of bean pods. The adults of the bean pods are scattered and concealed. The range of spawning is large and the amount of spawning is large. It is not easy to slay or slay by spraying. Control measures:
First, before the sowing, the soil should be exterminated and insecticide treated. The agent should be applied with a new high fat film to enhance the efficacy.
Second, strengthen fertilizer and water management. To achieve a consistent emergence, growing neat, relatively concentrated flowering and podbing period, in order to focus on eradicating the pest.
Third, pay attention to chemical control. The larvae in the flower buds were sprayed before flowering. After the cultivar has grown to more than 10 cm in length, the young larvae that kill the newly hatched and infested larvae can be killed by spraying once. Kung Fu agent selection 1500 times liquid (or avermectin 1500 times spray, or Ari Bao 4.5% EC 1000--2000 times liquid) + 800 times the new high-fat film better.
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