Key Periods and Key Measures for Prevention and Control of Vital Pests in Grapes

Insect pests from the green leafhopper to the flowering stage before and after flowering in the 4-5 leaf stage felt buds sprouted to the front of the leaf, before flowering, and during the dry summer. The acaricide chafer spends before and during the color change period, and sees and follows the rule. Insecticides, poison baits, traps, etc. The critical period of drug use is before and after flowering (larvae hatching). The hatching of the eggs is the key to the incubation period; different regions and regions have different incubation years in different years. Please pay attention to the forecasts of the plant protection department. Leaves inflorescence exposed, after flowering to young fruit. Drying during the post-anthesis period can be severe. Pre-emergence and pre-flowering are the most critical control points for grape bristling buds: the end of the drought year from the end of June to August should also be taken care of. Sulfur formulations and acaricides. The inflorescences of P. gracilis during the isolation period (systemic insecticides) and 10-20 days after flowering (there are ovicidal insecticides such as annihilation). Combine the field operations to remove pests and use wormholes for control. After harvesting, the fruit of the tiger tiger beetles 3-4 leaf stage (to the inflorescence separation period) (systemic insecticide). The victim is blackened and the pruning shears are removed. After ten years of flowering, the ten-year-old grapevines pay attention to field health.

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