First, the main pests and diseases 1. Tomato diseases: In summer, due to the large amount of rain, tomatoes are susceptible to bacterial soft rot, anthrax, and fungal brown spoilage. 2. Diseases of hot peppers: Diseases with prominent diseases include epidemic disease and soft rot, as well as physiological defoliation. 3, celery disease: spot blight and leaf blight. 4. Cucumber diseases: After the beginning of autumn, the rainfall is relatively high and the temperature is relatively low. Therefore, the occurrence of powdery mildew in cucumbers is heavy. 5, cruciferous pests: cruciferous vegetables, the outstanding problems are downy mildew, soft rot, white spot disease and cabbage caterpillars, diamondback moth and vegetables. 6, bean pests: mainly rust, anthrax and soybean meal. 7. Liriomyza sativae: The major damage is cucumber, eggplant and beans. 8. Bemisia tabaci: Entering the peak period in early August. Second, control advice 1, timely treatment of sickness. The central disease strain should be removed in a timely manner, and the diseased area should be disinfected with lime, and the diseased fruit should be collected and brought out of the shed to be destroyed. 2, timely control of disease epidemics, strengthen prevention. In the early onset of treatment, downy mildew: 10% “Kejia†suspension 1000-1500 times solution, 53% “Golden Ray†500 times solution, or 42% trichloroisocyanuric acid soluble powder 3000 -4000 times liquid, plus 300 times the sugar control; white spot: 10% ether dioxazole water dispersible granules 1500 times; blight: 66.8% of the "Mouldy grams" wettable powder 700-800 times liquid , 52.5% epidemic quick net 2000 times liquid; eggplant powdery mildew: control with 12.5% ​​myclobutanil 500 times, 10% difenoconazole 2000 times; anthrax: 70% proprin zinc WP 600 Double liquid spray. Application requirements for continuous control 2-3 times, interval 7-10 days; celery spot blight: 47% Garnett 500 times liquid, leaf blight can be used 10% oxaloxazole 2000 times control. 3, pest control, pay attention to rotation drugs to avoid drug resistance. Plutella xylostella is a very resistant insecticide, and the control drug 5% CPT is 1500-2000 times mixed with 4.5% beta-cypermethrin EC 1500 times, or BT200 times, or 5% Frigoxysin suspension 2500 times. 1% Avisol cream 2000-3000 times. Liriomyza sativae is controlled with 1.8% abamectin 2000 times, and highly toxic pesticides are strictly prohibited. 4. Joint prevention and control in the same region. The prevention and control of Bemisia tabaci must be controlled in the same area to avoid the escape and spread of Bemisia tabaci. Spraying can be used 1500 times imidacloprid 1500 times, 1.80 percent avermectin 3000 times, 20% diclofenac EC 1000 times, 3% acetamiprid EC 2,000 times, 5% Rui Jin Te 1500 times, for whitefat Better control effect.
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