The mulberry white mulberry is also known as mulberry sedge, tree scorpion, and the worm uses female worms and nymph swarms to fix sap on the branches and trunks. After the branches and trunks are damaged, the tree vigor is weakened. In severe cases, the branches are dry and dead. Once they occur, if the prevention measures are not adopted in time, the whole park will be destroyed within 3 to 5 years. Preventive measures: 1 Strengthen quarantine of kiwifruit seedlings and grafts used for grafting to prevent pests; 2 Do a good job of clearing gardens in winter, combine pruning, cut off damaged branches, scrape off overwintered female adults on branches, and spray. A 3 Baume degree lime sulfur agent, eliminate the overwintering insect source, reduce the damage of the leap year; 3 in the dormant period of fruit trees, use a stiff brush or a thin wire brush, brush off the body on the branches; 4 spring in the tree sprout before spraying 5 Baume degree lime sulfur or 40% thawing EC 1000 times + Roushuitong 4000 times or diesel emulsion, thawing EC 5 Baume degree lime sulfur can only be applied before germination; 5 Protection and use of natural enemies, mulberry The natural enemies of the white pheasant are the red dot ladybird ladybird, the black ladybird ladybird, the ladybird ladybird ladybird, the kidney ladybird ladybug, etc. The protection and use of these natural enemies can alleviate the damage of the mulberry white locust; 6 In the mulberry white nymph hatching Spraying control. When mulberry whiteworm nymphs are found in the kiwifruit garden, 40% of Anmulan EC is sprayed with 1000-1500 times or 40% of good labor EC is 1000-1500 times and soft water is 4000 times. Wait for five or six days before spraying again to eliminate the nymphs. Disclaimer: Some articles in this website have been transferred from the Internet. If you are involved in third party legal rights, please inform this website. phone Bulk Garlic Powder,Bulk Organic Garlic Powder,Minced Garlic Powder,Ried Garlic shandong changrong international trade co.,ltd. , https://www.cragriculture.com
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