In the specific practice of the drug, the scientific compounding between pesticides is very important, directly determining the pest control effect. In particular, in the process of controlling pests and diseases with strong resistance, sometimes it is easy to produce resistance by using a single component, and the control effect is not good, and it is necessary to carry out compounding of different components. The specific compound formula needs to be summed up by the majority of farmers and farmers to improve the level of plant protection technology . Today, the author summarizes some good pesticide compounding methods, hoping to help the majority of vegetable farmers' medications. 1. The combination of profenofos and methomyl can control pests such as borer and heartworm, and has certain ovicidal effects. 2, avermectin + dibutyl ether urea, good effect of control small cabbage, can also reduce the concentration of dibutyl ether urea, to prevent cooking. 3, Aviaga poisoned dead. It can be used for the control of rice leaf roller in southern rice; fruit tree leaf moth; underground pest. 4, prevention of generations of overlapping rice leaf roller is recommended to use the formula: 30-40 ml Avi or 20-30 ml of a vitamin salt with 60-80 ml of chlorpyrifos and 45 kg of water. 5, butyl sulfur + acetamiprid. Resistant mites, thrips. 6, cyhalothrin plus imidacloprid to control aphids low cost, good effect 7, Avi + profenofos; Avi + chlorpyrifos control rice leaf roller, if the prevention and control of the heartworm, the triazophos can be compounded. With Avi + hexaflumuron, the effect is also very good. 8, a micro-salt plus triazophos to fight aphids. 9, profenofos / chlorpyrifos + a vitamin salt / Avi, rice borer, rice vertical play together, quick-acting + effective, the effect is good, avid triazophos this effect is also good, the control object is also very wide. 10, 2.0 content of avermectin + 40% chlorpyrifos mixed in a ratio of 1:1, control of nematodes 1 mu of an acre of land, can play a very good effect, and the effective period is much longer than the use of a single agent can reach 90 Days. 11. Avi, Avi and the like are compounded with organic phosphorus, and the synergy is obvious; the synergistic effect with the pyrethroids is not obvious, and sometimes it will be reduced. 12, chlorpyrifos + kung fu, the effect on the prevention and control of cotton blindness is very good, 13, morpholinium acetate copper + reconstituted phenol sodium compound (spray twice in 4 days) to prevent vegetable virus disease effect is significant! 14, carbendazim plus pyrimethanil plus silicone compound to prevent gray mold disease is better, you can try 15, acetamiprid + fipronil jumper and hummer effect is good. 16, Avi + imidacloprid, control Hummer, Avi content can be appropriately increased, it is recommended to be a suspension. 17. Avi + dibutyl ether urea is used to control Plutella xylostella. It is recommended to be a suspending agent, which can effectively avoid the phytotoxicity of dibutyl ether urea. 18, acetamiprid + Daxiling to prevent white powder mites control effect can be extended to about 10 days. 19, strawberry seedlings anthracnose at present, basically any good drug effect on the market is not ideal! Recommended formula: Kairun + difenoconazole effect reached 80%. 20, dibutyl ether urea + Avi + high chlorine to beat the diamondback moth red spider are good. 21, locusts and silicones to fight mites, regardless of weather time, regardless of crops, the cost is not high, the effect is very good. 22, trichloroisocyanuric acid plus sodium nitrophenolate, regardless of crops, viral diseases, bacterial diseases, fungal diseases are very good. 23, acetamid è„’ 哒螨 哒螨 打 打 ä¸é”™ ä¸é”™ 24, acetamiprid + bifenthrin, prevention and control of whitefly, aphids, thrips, leafhoppers with high efficiency and long-lasting period. 25, Kung Fu plus imidacloprid is also very effective in controlling wheat aphids 26, imide amide + iprodione, anthracnose, flower rot, leaf spot disease has a good effect, can also be used in fruit trees to control disease during fruit storage period, very practical. 27, refined nail cream + chlorothalonil plus spring leimycin, control cucumber downy mildew and angular spot disease. 28, avermectin + chlorfenapyr complex pair Plutella xylostella, rice vertical leaf roller 螟 effect 29, allicin + triadimefon to control peanuts a variety of disease effects. 30, prevention and treatment of serious bacterial diseases, can be biotic mycelium + organic copper. In general, the compound pesticides should emphasize the complementarity and synergy between the ingredients, improve the control effect, reduce the cost of pesticides, and avoid the rapid occurrence of pesticide resistance. It must be said that the pesticide compounding should be based on certain methods. Most of the time, the effect of the drug is determined by the compounding of the pesticide, so it is good at compounding and will be compounded. Presure seal Gate Valve has two type of sealing way, flexible wedge disc and parallel slab disc which normally used in the high pressure main streaming pipeline or high pressure bypass water feeding pipeline etc. The main function is to cut off or cut on the medium controlled by electric actuator or handwheel. The sealing principle of pressrue seal gate valve is sealing surface tight off under pressure and they are widely applicated in petrochmical, thermal power plant. 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Want to have a good pesticide effect, these 30 pesticide compounding methods must learn!