Pyramid is the most important pest on pear trees, and the adults are divided into winter and summer. Winter-type adults overwinter in cracks in pear stems, and a few occur in weeds, leaves, and soil. For comprehensive prevention and control of their wintering sites, can have a multiplier effect. Qingyuan cleared the debris, fallen leaves, and weeds in and around the park, deeply buried or burned, and reduced the number of bases for winter pears. Scrape the plastic film on the tree tray, scrape the rough skin on the branches with a knife, and rot, ring and other lesions, and then concentrate deep. Winter ploughing and winter ploughing can improve soil physicochemical properties, and dig up winter pears in the soil, allowing them to freeze or allow birds to feed. Biometric Tablet,Fingerprint Tablet,Android Fingerprint Tablet,Biometric Waterproof Fingerprint Tablet Chongqing Huifan Technology Co., Ltd , https://www.hfsecuritytech.com
Irrigation When the temperature drops below 0°C, irrigation is performed in the garden and can drown the winter pears in the soil.
The critical period for the control of medicinal herbs is the period from the outbreak of the overwintering adult to the spawning period, from late February to mid-March. Commonly-used pharmaceuticals include 20% trichostron emulsion 3000 times solution, 10% large meritorious WP 2000 times solution, 0.9% efford 30000 times solution, 47% phophorus 3rd 1000-1500 times solution, etc. Real bees, pears, etc.