1. Strengthen the management of grape growing period, diligently cultivating, reasonably pruning, pruning, timely picking the heart, finishing leggy branches, preventing the concealment of orchards, and improving ventilation conditions.
2. In the autumn, timely removal of rotten fruit, dead branches and dead leaves in the orchard will be carried out.
3. Leafhopper has a strong yellowing potential. It can be used on both sides of the yellow board to apply oil from stick insects. It is hung on the grape vines and the yellow board is separated by 5 meters. After the insects are full, they are promptly removed and replaced.
4. Ye Yan has a certain degree of phototaxis, which can be trapped in the vineyard by hanging solar traps.
5. Protect and make good use of natural enemies and maximize the use of natural enemies to control the grape leafhoppers.
6. Focus on the prevention of first-generation larvae from May to June and adult worms in September and October to deciduous vines. Can be used net WP, fenvalerate EC, farmland EC and other agents spray carefully, spray the main part of the leaves on the back of the grape leaf lice have a good prevention and control.
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