How to kill the worms inside the grapevine core
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How to kill the worms inside the grapevine core
The worms inside the grapevine core are often lace bugs, which will absorb the sap from the tender branches and leaves, gradually forming white spots, and also excrete sugary liquid, leading to sooty mold disease, which severely hinders growth. It is necessary to deal with it promptly when discovered. For nymphs, you can spray 50% chlorpyrifos emulsifiable concentrate 2000-3000 times solution, 50% phoxim emulsifiable concentrate 2000 times solution, or 80% dichlorvos emulsifiable concentrate 1000 times solution. It is also necessary to change the maintenance environment. In winter, the egg masses on the tree trunks should be scraped off promptly.
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