Citrus in our city will enter the harvest period one after another. At present, all citrus production areas in our city have passed the certification of pollution-free citrus production bases. Orange farmers should strictly implement pollution-free citrus production technologies, especially pesticide use. Must follow the pollution-free citrus production procedures to ensure the safety of citrus products. First, it is strictly prohibited to use highly toxic and high residue pesticides. The use of methamidophos, carbofuran, formazan, methyl 1605, omethoate, dicofol and other highly toxic high-residue pesticides is strictly prohibited during the entire citrus production cycle. 2. The orange orchard must not use chemical pesticides within one month before harvest. Pesticides that are allowed to be used in the production of pollution-free citrus must pay attention to the safety interval of the pesticide and must be harvested after the safety interval has expired. In principle, chemical pesticides must not be used for pest control within one month before citrus harvest. Different varieties of drugs should be used alternately to delay the development and development of pest resistance. Third, the current major pest control. 1. Apes: September-September is the peak period of the occurrence of spider mites and rust mites, and will directly affect the yield and quality of citrus. Therefore, citrus gardens should pay attention to the prevention and control of citrus aphids. The control agent can be used for prevention and treatment with 57% propargite 2000-2500 times solution, or 25% triazotin 1500 times solution, and 5% Bazhiling 1000 times solution. 2. The fruit-feeding tobacco moth: When the fruit is victimized, it rots and falls off, and when it is serious, it can cause more than 30% of precocious temperate citrus fruit to suffer. Prevention and control measures: Remove the host around the orchard; rust with frequency-vibration insecticidal lamp, or use sweet and sour liquid (1 kg of water plus 50 grams of brown sugar plus 100 grams of citrus juice plus 15 grams of trichlorfon) per 4-5 strains The tree was put in a trap; the orange orchard was sprayed with 5.7% Uranus hundred times 1500 times liquid, or 2.5% of it was kept at 2000 times, and it was also possible to hunt the ball at the height of the adult crown to repel the adults. 3, black spot disease: The disease in recent years in the city of citrus have aggravated, we must pay attention. Preventive measures: Strengthen management, increase tree vigor, eliminate diseased branches, and reduce the source of infection. In the growth phase, 80% of WPWP can be used, or 70% of Mancozeb 600 times liquid can be used for prevention and treatment. • UNIVERSAL HAND TOOL - Widely applied to achieve a damage-free removal and easy installation of the spark plug on a car or motorcycle. Suitable for most of the models. Car Wrench,Ratchet Wrench Power Tool Kit,Universal Socket Multi-Function Wrench,Multi-Function Hand Tool Wrench Ningbo Zhihao Car Accessories Co.,Ltd. , https://www.zhihaoautoparts.com