June vegetable pest control methods

H. armigera and H. assulta endanger the fruit, and should grasp the hatching period to the height of the 2nd instar, and the larvae should not be applied into the fruit during the spraying period. Kungfu 2.5% cream can be used for 5,000 times, and the spray can be killed and sprayed with 6000 times liquid.

The major pests of leguminous legume vegetables are the most serious pests from June to July. In the morning or evening, it is best to spray flowers without sneezing. It can be sprayed with 50% phoxim 1000 times solution or 52.25% degem 1000 times solution.

Solanum lycopersicum vegetables are prone to occur in white peony disease. They mainly infiltrate the base and roots of the stem near the ground. They appear as dark brown water-soaked spots, and are slightly sunken after expansion. The surface produces white silky mycelia. If it is found that the central diseased plant is removed in time, the diseased hole shall be disinfected with quicklime, and 70% chloronitrobenzene powder 0.5 kg plus 25 kg wet fine soil shall be sprinkled on the stem base of the diseased plant or 75% chlorothalonil 1000 times solution at the base of stem. .

Powdery mildews are common. Firstly, a small, white, roundish mottled patch is produced from the front or back of the lower leaf. Afterwards, it gradually enlarges the mutual connection and thickens and forms a piece. Finally, the white powder spreads over the entire leaf surface and becomes white or gray later. Spray 50% thiophanate-methyl wettable powder 1000 times, or 47% Garnett wettable powder 500 to 600 times, or 40% Fuxing Star EC 8000 to 10000 times.

In addition, the prevention and control of pests and diseases such as anthracnose, disease, downy mildew, bacterial wilt, verticillium wilt, scab, cotton blight, yellow clover, aphids, etc. should also be strengthened.

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