Longicorn beetles are harmful to citrus in citrus cultivation.
Huanglong disease is the most serious in citrus cultivation, but there is a pest that affects the growth of citrus that is ignored by growers. Today, let's talk about the harm of longicorn beetles to citrus.
In the early stage, longicorn beetles damaged the root head and trunk of citrus, resulting in hollow root head and trunk.
In the dry autumn, the whole tree which is seriously damaged by the citrus dies very quickly.
Began to show symptoms of dehydration, the whole tree withered and died.
Prevention and control measures: ① should strengthen orchard management, do a good job in garden inspection, and prevent longicorn beetles from harming stigmas. ② does a good job of prevention and control regularly, especially from April to July. Selection of drugs for prevention and treatment of ③
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