Measures to Prevent and Treat Summer Diseases and Pests of Kiwifruit

Summer temperatures are dominated by high temperatures and high humidity. In this environment, diseases such as root rot, root knot nematode disease, leaf mold, fruit spot and black spot disease, and yellowing disease are prone to occur in fields of kiwifruit. Insect pests such as shell insects, scarabs, citrus gray grey weevil, and leafhoppers should be based on the principle of “prevention, prevention, and comprehensive prevention and control”. We must actively implement prevention and control of kiwifruit diseases and insect pests in summer.

The first is agricultural control. Strengthen cultivation management and increase tree vigor. Guide summer pruning, improve orchard ventilation and light conditions, reduce the occurrence of scale insects. After the rain, pay attention to the drainage of the ditch to prevent accumulation of water, reduce the humidity in the orchard, and promptly remove the weeds in the garden.

The second is reasonable chemical control. An orchard where bacterial flower rot occurs, spraying neomycin, Nongkang 120, etc. Observe the young trees diligently and find out that pests such as chafers, oranges, and large leafhoppers are treated with low-toxic pesticides such as buprofezin and chlorpyrifos in time. The lighter orchard of the scale insects was brushed with a scrub brush and the diseased orchard was sprayed in the garden.

The third is comprehensive prevention and control. Through propaganda, the farmers' consciousness of soil improvement is strengthened, the soil is deep-ripened, organic manure fertilizer and biological bacteria fertilizer are added, partial nitrogen fertilizer and chemical fertilizer are prevented, soil physical and chemical properties are improved, soil pH is adjusted, and soil effective iron absorption is increased.

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