At the moment of full bloom in Liyuan, fruit growers should promptly prevent and treat the following pests and diseases in the late period of pear flowering: Pygmy crickets and pear hibiscus: According to the flowering condition of pear trees, they should be sprayed and prevented at the end of flowering. Pharmacists can use 10% excalibur 1500 times solution plus 10% Shijia Pyroline 2000 times solution. Pear rust and pear scab: In the end of flowering pears, timely medication spray control. The agent can be used 15% Triadimefon 1500 times or 45% Daoxue 800-1000 times, plus 105 times the high 6000 times liquid. Pear boll disease and pear branch rot disease: After 10 days of pear tree Xiehua medication control. Rhaponticum can be used 21% Guofu Kang 800-1000 times or 68.5% DuPont Epro 800-1200 times or 45% Dasheng 800-1000 times spray control; pear branch rot disease can be used 50% carbendazim 800 times Liquid spray control.
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