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How to prevent citrus resin disease
After the occurrence of resinous disease, it is necessary to do a good job of scraping and spray protection. The curettage is the use of a knife to scrape the lesions, and the lesions are about 1 cm beyond the lesions. A number of slits are drawn horizontally and horizontally to the xylem. After scraping, use 75% alcohol to clean and disinfect, and then apply 2 times continuously (at intervals of 7 days). 50% of carbendazim WP can be used as the agent, 100% of 70% thiophanate wettable powder, 20 times of 80% zedozeptable WP, or 50 to 80 of 5% bacterin solution. Times of liquid and so on. A total of 50% carbendazim WP 800 to 1000 times, or 70% thiophanate WP 500 to 800 times, was applied throughout the young fruit period. When spraying, pay attention to spraying on the main trunk and large branches to strengthen the protection.