The best way to control bacterial wilt is to use drugs to irrigate roots, such as DT plus neemectin or agricultural streptomycin plus rooting agent. When the root canal is treated with the agent, the above-mentioned agent can be used for protective spraying, and the tomato plant that has died of the disease should be taken to the deep burial area and the soil should be disinfected. In addition, proper spraying of some plant growth regulators or foliar fertilizers can effectively promote the recovery of tomato plants.

Blight and rotation of vegetables with spicy taste for 3 to 4 years, such as green onions, garlic and so on. Select disease-free seed or soak it in warm water at 52°C for 30 minutes before sowing, or use 0.4% of 50% carbendazim to seed. At the same time, the management of the sheds will be strengthened, and the result will be increased ventilation and lower temperatures. At the beginning of the disease, 50% carbendazim was applied 1000 times to irrigate the roots, and 200 ml per plant was irrigated, once every 7 to 10 days, and irrigation was performed 2 to 3 times.

Root-knot nematode disease enhances field management. During tomato growth, reasonable fertilizer and water measures can enhance disease resistance. When the root-knot nematode occurs, the sick body should be thoroughly treated and burned or buried deeply. Vegetables in the middle of growing period can be controlled by avermectin plus fertilizer or organic fertilizer. Chemical control, when sowing or planting, point application of symptomatic fertilizer, organic fertilizer, etc., can control root knot nematode damage. In addition, it can also be used in the greenhouse leisure season, the use of lime nitrogen high temperature stuffy shed or use of such strict disinfection of methyl bromide.

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