I. Comprehensive control of citrus pests and diseases Combination of agricultural control and chemical control, try to protect the natural enemy's comprehensive prevention and control measures. 1 Based on the annual incidence of major pests, and other diseases and other pests. Wide skin oranges - red spider, scab disease; Oranges - red spider, canker disease. 2 Pharmacy selection: 5 months ago, broad-spectrum pesticides can be used for prevention and treatment; after 5 months, selective or semi-selective pesticides should be used to prevent natural enemies. At the same time, a variety of pesticides should be used for rotation. Each drug can only be used once. 3 strengthen the cultivation and management, prevent disease and avoid disease. 4 Year-round prevention and control are linked with each stage of prevention and control. Comprehensive prevention, cure, and drug types are considered. (I) Pay attention to the prevention and control of pests in winter and reduce the number of pests 1. Early winter fertilizer; 2. Trim the branches of the pests; 3. Spray a high concentration of the drug; 4. Deeply turning the soil in time; 5. Strengthen earth work; 6. Ditch deep trenches should be drained at the beginning of winter and early spring. (b) Pest control in spring 1. The broad orange citrus garden is mainly used to prevent scabs. From mid-April to late-December: The period of Baochun tip. 50% thiophanate 600 times 50% carbendazim 500 times In the middle of 24 months, it was a crucial period for Baoguo Guo to drop 2/3 of the time. In the middle and middle of the month of 35: red spiders, rust ticks, and scale insects. 2. Sweet orange citrus garden, mainly to control ulcer disease. (III) Summer Pest Control From late July to mid-July: Late June is the peak period of rust ticks Mid-July is the second generation of scale insect nymphs 2. Sweet Orange Citrus Garden: Canker Disease (IV) Prevention and control of autumn diseases and pests From the beginning of September to the beginning of September: control of leafworm moths is dominant, and both aphids and rafts are treated. Kill 20% of pyrethroid with 20%, use 8,000 times if treating aphids, and use 5,000 times if treating axillary. In the early 2.9 months, mainly in the prevention and control of fleas, mountain orange groves also cure scab. Second, the safe and rational use of pesticides (I) Correctly purchasing pesticides 1. Identify the object to be controlled 2. Choose an efficient, safe and economical pesticide You should purchase pesticides with low dosage, good control effect, low toxicity, low residue in food and environment, and short residue time. Economic accounting. 3. Pay attention to identify counterfeit pesticides Fake pesticides: The name of the pesticide indicated does not match the pesticide in the actual package. Inferior pesticides: The main indicators of pesticides in the packaging do not meet the quality standards. (1) pay attention to product registration certificate number; (2) Pay attention to the validity of the product; (3) Do not purchase damaged pesticides; (4) Do not purchase pesticides with incomplete or unspecified labels; (5) Simple judgment of deterioration of pesticides: Powder, wettable powder: wet agglomerate, more grainy, uneven color; Emulsifiable concentrate: layered and turbid, precipitated crystals, emulsified emulsions of emulsifiable concentrates or slicks, oils or sediments. After suspension of the gel suspension, there was agglomeration. Tablets for fumigation are powdered and the like. (B) safe and rational use of pesticides Under the premise of guaranteeing the safety of humans, livestock and the environment, the best control effect can be achieved with the minimum amount of pesticides, so as to obtain the maximum economic benefit. 1. Pesticide preparation: (1) Accurately calculate the amount of pesticides and ingredients; (2) Safely and accurately preparing pesticides: 1 wear protective equipment; 2 away from children and livestock, poultry; 3 Never use proper utensils to take medicine or stir by hand. 2. Safe and rational application of pesticides: (1) Wear protective clothing; (2) Do not use drip instruments; (3) Do not spray against the wind; (4) Do not spray before raining; (5) Pregnant women, nursing women, minors do not spray; (6) Cleaning and inventorying the drug after application; (7) Do not eat, drink or smoke during dispensing or spraying; (8) When the nozzle is blocked, do not blow with the mouth; (9) Do not pollute rivers, lakes, ponds, etc. when dispensing, spraying, or cleaning instruments; (10) Wash hands, face, and exposed skin before eating or drinking water after application; (11) After the application of the drug, change the clothes to be applied; (12) When clothing or skin is contaminated with pesticides, immediately remove clothes and wash contaminated skin; (13) When pesticides are splashed in eyes, rinse immediately with clean water for 10 minutes; (14) Used pesticide packages are to be burned or buried; (15) When pesticide poisoning occurs, it is immediately sent to the hospital and carries a pesticide label. 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