According to the "Agricultural Registration Management Information Collection" and "Pesticide Electronic Handbook" of the Ministry of Agriculture of the Ministry of Agriculture, we searched for bacterial diseases on bean, cucumber, and rice, and other major crops, mainly including: bacterial spot disease and bacterial disease. Perforating disease, bacterial angular spot, bacterial stem rot, bacterial streak disease, bacterial disease, and bacterial streak disease. Among the effective pesticide components registered for the prevention and treatment of bacterial diseases, the single agents mainly include the following products: 1. Thiobacillus copper (Loncobacter), only Zhejiang Longwan Chemical Co., Ltd. has registered and produced the original drug exclusively in China. The official registration number of the pesticide formulation is PD20086024. When it is used to prevent cucumber bacterial leaf spot, it is diluted by 500-600 times. Or irrigating roots is a new ideal agent for controlling bacterial diseases in crops such as vegetables (cabbage, cucumber), fruit trees (citrus, peach, kiwi), fruits (watermelon, melon), and rice. 2. Thiazole (Yetzol). Currently, there are 51 registration certificates for 45 companies in China. Zhejiang Longwan Chemical Co., Ltd. produces 9 tons of 3% of the original Yetzuo original drug, and the official registration number of the pesticide formulation (Ye Qingshuang) is PD 85153-8. It is effective for the prevention and control of rice bacterial leaf blight and bacterial leaf blight. Because rice has been registered for more than 20 years, rice has produced a great deal of resistance, and the control effect of methimazole continues to decline. Due to too many registered companies, disorderly market competition, and very confusing prices, it has been declining. 3. Copper hydroxide, which has 73 registration certificates for 52 companies in the country, but it has not been registered on rice. It is widely registered in economic crops such as vegetables (cucumbers, peppers and watermelons), fruit trees (citrus, grapes, and litchi) and tobacco. Common inorganic copper agents for the prevention and treatment of vegetable bacterial diseases. It is sensitive to flowering and young fruit and should not be mixed with acidic pesticides. It should be sprayed separately. The mixture with kasugamycin is sensitive to the leaves of crops such as apples, grapes, soybeans, and alfalfa, so it is important to pay attention to the concentration, and it is advisable to spray after 4 pm. Due to the large number of registered companies and the large price gap, it is hard to argue true or false, and the market is extremely chaotic. 4, Biclicin, there are 39 companies in the country 54 registration certificates, registration of a wide range of crops, bacteria and fungi have a certain degree of control, is also more common anti-bacterial agents for the prevention and treatment of diseases. 5, kasugamycin, there are 28 companies in the country registered 54 pesticide certificates, registered crops are widely used in fruit trees, vegetables and rice, bactericidal spectrum is more extensive, have a certain control effect on bacteria, fungi. There is a slight phytotoxicity to soybeans, grapes, oranges, apples, etc., and care should be taken when using it in proximity to soybeans. 6. Bacterial Toxicosis. There are 44 registration certificates for 42 companies in China. The registered crops are extensive and the bactericidal spectrum is also relatively wide. It used to be a traditional medicine for controlling bacterial diseases in rice. This product should not be mixed with other agents. When the temperature is low and the liquid crystals are crystallized, warm liquid is used to warm the liquid to 30°C, and all of the crystals are dissolved and diluted. 7. Streptomycin for agriculture: There are 26 companies in China that have registered 33 pesticide certificates, and are the most common antibiotics for controlling bacterial diseases. They are used in vegetables (Chinese cabbage, cucumber), fruit trees (citrus), rice, and tobacco. There is registration. In the past, traditional products that used to prevent and treat bacterial diseases have been continuously enhanced in drug resistance in recent years, and the control effect has been continuously declining. In addition, there are more registered companies, there is disorder in market competition, the price system is relatively chaotic, and fake goods are mixed. The state's strict management of agricultural antibiotics (classified as "prescription pharmaceuticals"), the future of streptomycin is worrying, and belongs to "sunset products." Do not mix with alkaline pesticides or sewage. The pharmaceuticals should be used immediately when they are used. The liquid can not be stored for a long time. 8. Wang Bronze. There are 31 registration certificates for 20 companies in the country. Registered crops are extensive and there are many control objects. It is sensitive to young leaves of crops such as apples, grapes, soybeans, and alfalfa, so be sure to pay attention to the concentration. It is advisable to spray after 4 pm. Cannot be mixed with thiocarbamate fungicide. 9. Chlorobromoisocyanuric acid, domestic 12 companies have 12 registration certificates, a wide range of registered crops, sterilization shop is also very extensive, have a certain effect on bacteria, fungi and viruses and other diseases, belong to the “allergies†type of pesticides. 10, trichloroisocyanuric acid, domestic 6 companies have 10 registration certificates. There are certain control effects on bacteria and fungi. Do not contact with acids and alkalis to avoid decomposition failure and explosive combustion. Products such as alkali, acid decomposition burning, should be extinguished with sand or chemical suppression agent. 11, copper acetate, domestic 89 companies have 108 registration certificates. The compounding (mixing) registration mainly prevents viral diseases, and single-agent registration of bacterial diseases is relatively small. 12, copper chloride fertilizer, domestic 15 companies have 17 registration certificates. Registered crops and control subjects are relatively extensive, and have certain control effects on bacteria and fungi. When using, the liquid concentration must not be too large, otherwise it is easy to produce phytotoxicity. Note: The above statistics include all kinds of preparations for which the temporary registration certificate (LS) has expired and has not yet been converted into a formal registration (PD). In fact, nearly 50% of temporary registration documents have expired, but they have not yet been converted to officially registered types of preparations. For example, so far, all temporary registration documents for each single agent of copper acrylate have expired and have not been converted into official registration. Zhongshengmycin has once registered with 4 companies. Now there are only 2 companies in China with 2 certificates still in temporary registration (as of December 31, 2009), which are Fujian Kaili Biological Products (Kekekang) ) And Dongguan City, Redford Biotechnology (Jia Shuang). In addition, in recent years, temporary registration of single agents for the prevention and treatment of bacterial diseases, as well as new agents such as thienson copper, thiazolium, Thiobacillus, and octanidime, all belong to Chaoyang-type products full of potential and are worth looking forward to. And attention. (Xiong Xingping)
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