Grapevine spring prevention and control program
Grape vines grow into larvae within the bud scales of the wintering, spring with the opening of the buds, climb into the larvae and invade the sprouts, and continue to reproduce and spread. Household Gloves,Gloves Microfiber,Flock Lined Glove,Household Latex Work Glove ZHANGJIAGANG DINSHENGLIN TRADING CO.,LTD , https://www.dslhouse.com
Control methods: 1 In early spring before grape germination, when the buds are swollen, spray 3 to 5 degrees (Baume degree) of lime sulfur to kill the overwintering larvae that lurk in the bud scales, then basically control the damage; Can be sprayed once more 40% dimethoate emulsion 1000 times, or sprayed 100 times imine emulsion liquid. 2 During the early stages of grape growth, it was discovered that the damaged leaves were immediately removed and burned to prevent further spread. 3 When the seedlings, cuttings, etc. in the area where the locust infestation may carry worms are dispatched to other places, they can be sterilized by warm soup, that is, the ground part of the cuttings or seedlings can be soaked in hot water at 30°C～40°C for 3～5 minutes. , and then moved to 50 °C hot water soak 5 to 7 minutes, you can kill the latent maggots.