Grape worm pest prevention and control method

1. Technology to prevent and control pests and diseases 1.1 Stripping old cracked skin After the grapes are unearthed, the old cracked skin that is over 3-4 years old is peeled off and burned to eliminate subcutaneous diseases and promote metabolism. 1.2 When pruning winter shears, shelf type and tree shape are required to cut the number and length of mother branches; when cutting in summer, the heart is picked in time and the auxiliary tip is processed, the thickness of the leaf curtain is adjusted, the ventilation and light transmission conditions are improved, and a suitable grape growth is created. Good environment. 1.3 Clean the pastoral areas, eliminate pathogens, eliminate weeds, and clean up the orchard in combination with pruning. Burn the diseased and diseased leaves and bury them deeply. At the early stage of disease, diseased leaves and fruit were cut off in time and burned and buried deeply. 1.4 Strengthen the management of fertilizers and waters Increase the use of organic fertilizers that are decomposed, use nitrogen, phosphorus, and potassium in combination, especially increase the amount of P and K fertilizers, increase the disease resistance of the plants, and provide reasonable irrigation and timely drainage. 1.5 Ear bags can prevent fruit diseases. 2. Chemicals Prevention and Control of Pests and Pests The prevention of pests and diseases shall strictly implement the guidelines for the safe use of pesticides. 2.1 Pharmaceutical control diseases White rot 1 Sprouting foliar sprays of 3-5 Baume degrees to the branches and the ground; 2 Spraying 70% mancozeb WP 800-1000 times at the beginning of the growing season, Or 50% carbendazim wettable powder 800-1000 times, or 40% Fuxing WP 8000-10000 times, or 50% TB600-800 times and so on. Every 7-12 days, spray two or three times, pay attention to alternate use of the above agents. Blackpox disease 1 seedling disinfection: The purchased seedlings and seed strips are bundled and put in 1% ferrous sulfate solution or 0.3% Baume degree lime sulfur for 3-5 minutes, and put out to dry after colonization; 2 Before the budding of the grapes, spray 3-5 Baume degrees of lime sulfur; 3 After the grapes are spread to the coloring period of the fruit, spray once every 10-12 days half Bordeaux mixture, or 70% thiophanate-methyl wettable powder 800 -1000 times, or 80% of Dasong M-45 WP 700-800 times sprayed 2-3 times, and pay attention to alternate medication. Anthracnose 1 spray 3-5 Baume of lime sulfur before germination; spray germicide once every 7-12 days in the middle and late of 26th. 75% chlorothalonil wettable powder 500-800 times, or 70% thiophanate-methyl wettable powder 800-1000 times, or 65% zeocin zinc wettable powder 500-800 times, or 40% Fuxing WP 8000-10000 times liquid and even spray 2 times. And pay attention to alternating medication. Downy mildew 1 sprayed after spraying 25% metalaxyl WP 500-600 times, or 72% WP wettable powder 600-800 times, or 1:0.7:200 Bordeaux solution sprayed every 7-12 days 1 times, even sprayed 2 times; 2 Early onset of fruit spraying spray 25% metalaxyl WP 800-1000 times, or 64% antivirus WP 400-500 times. Powdery mildew 1 before germination spray 3-5 Baume degrees of lime sulfur solution; 2 germination after the initial incidence of spraying 0.3% -0.5% Baume degrees of lime sulfur and 300 times mixture of sodium pentachlorophenol, or 70% A基托布津WP 800-1000 times; 3 before flowering and young fruit spray 15% triadimefon WP 1500-2000 times. Spike brown blight 1 before germination spray 3-5 Baume of lime sulfur solution; 2 before and after flowering spray 1 fungicide, can use 50% carbendazim WP 800 times, Or 50% fluocin 1000-1500 times. Spray fungicide once before and during the fruit ripening period of Botrytis cinerea, use 50% carbendazim wettable powder 600-800 times or 70% thiophanate-methyl wettable powder 800-1000 times spray. Brown leaf spot 1 After defoliation, spray 3-5 times the baptist sap mixture before germination 1-2 times; 25-6 months combined with other diseases spray 1:0.5:200 Bordeaux solution and spray 2 times; 3 at the time of onset Spray 70% mancozeb WP 800 times or 65% zeocin WP 500 times. 2.2 Insecticides against insect pests After the flowering of the grapes, 20% fenvalerate 3000 times, or 25% diflubenzuron suspension 2000 times, or 50% symplectic can be used during spawning and larval incubation. Sulphur-containing EC 1000-1500 times spray control. Before spraying, rust wall niche 1 was sprayed with 3-5 Baume of lime sulfur solution. When the bud opens, spray 0.5-1 Baume degrees of lime sulfur; 2 when the larvae are spread after growing leaves, spray 20% broom WP 3000-4000 times liquid. The leafhopper nymphs spray 50% phoxim EC 1000-1500 times or 20% speed kill 2500-3000 times Ding EC.

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