MySheen

Control of jujube mealybug

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, (1) Artificial physical control. Bark scraping: During winter and early spring, scrape off the old thick bark of trunk, branch and fork and burn it intensively. Spray 3~5 Baume degree of sulfur mixture on the whole tree, or coat the main branches with sticky insect glue ring about 1~2 cm wide, so as to prevent the upper tree and concentrated overwintering branches from transferring to non-concentrated overwintering branches, and stick some pests to death. (2) Chemical control. The time of application should be selected in the peak period of early hatching nymph, generally from the end of May to the beginning of June, early July, mid-September and early September. The selected chemicals are: 25% lice

(1) artificial physical control. Scraping bark: in winter and early spring, scrape off the old bark at the trunk, branches and forks and burn them, spray the whole tree with 3-5 Bomeo stone-sulfur mixture, or coat the main branches with a sticky insect ring about 1-2 cm wide, in order to prevent the upper tree and concentrated overwintering branches from transferring to non-concentrated overwintering branches, and stick to some pests.

(2) chemical control. The time of medication should be in the peak period of newly hatched nymphs, usually from the end of May to the beginning of June, the first ten days of July, the middle and the first ten days of September. The selected medicaments are as follows: 1500-2000 times of 25% paracetamol wettable powder (2 days ahead of time), 200 times of neem crude oil emulsion, 80% dichlorvos EC 1000 times 1500 times, 30% acephate EC 500 times, 25% quinathion EC 1000 times 1500 times, in order to enhance the contact effect. Can be mixed with pyrethroids, such as 2.5% kungfu EC 1500 2000 times or 10% Uranus 2000 4000 times, etc.

 
0