In the fall, the population density of the citrus spider has increased linearly and there is a second peak of damage. If the prevention is not timely or the method is not correct, it will cause undue losses. To do this, we must treat it scientifically and do a good job of forecasting and spraying. medicine. A 5-point checkerboard method was used to observe the observation of several (3 or more) citrus trees, each of which had 5 azimuths in the east, west, south, north, and inner, and 2-5 leaves or fruits were observed in each azimuth. Red spider insect amount. Control indicators: There are 85% pupa rate, 3-5 per leaf or per fruit, and a small number of natural enemies, insufficient control of spider mites, should be controlled drug. Pharmacists may choose to use 4000-6000 times of the endangered 24% suspension agent or 2000 times of acetylene thiolate 76% WP or 1000 times of fluconazole 25% wettable powder or 3,000 times of fenazinone 5% suspending agent or avermectin 1.8% Emulsion 2000 times or Astragalus 20% EC 1500 times.
Waterproof Glove,Latex Glove,Work Glove
Fenghua Jade Motor Co., Ltd. , http://www.xwgloves.com