According to the Hawthorn red spider's habit of overwintering in the old seams of the fruit trees and in the earth seams near the neck, our field paid close attention to early prevention and control and achieved the effect of controlling the number of overwintering adults, reducing the number of sprayings, reducing control costs, and protecting natural enemies. The specific prevention and control methods are as follows: 1. In mid-August, the root neck and Sorghum were twisted into straw bundles with straws, and 3-5 laps were wrapped around the roots of the fruit trees to trap the Hawthorn red spiders into the winter. In the first half of the following year, the straw bundles will be concentrated and burned. Second, scraping bark in early January to scrape old fruit skin focused burning. Third, the tree trunk coating in late March Mountain red spider began activities, in the trunk about 20 cm away from the ground painted a circle (about 15 cm wide) with 10 parts of oil plus killing 1 fruit . IV. Chemical control In the middle and early April of April, 20% of the fruit of the fruit tree roots and necks were injected with 1000 times of liquid to control the adults.
2. In the usual form and method of ingestion.
3. Marked with a label biological adjustment functions.
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2. In the usual form and method of ingestion.
3. Marked with a label biological adjustment functions.
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