"Complete solution" for bacterial diseases in crops (Bacterial disease control technical regulations)

A Complete Solution for Bacterial Diseases in Crops (Technical Regulations for Bacterial Disease Control)

Bacterial diseases are plant illnesses caused by bacterial infections, such as soft rot, leaf spot, and bacterial wilt. These pathogens are typically rod-shaped bacteria that often possess one or more flagella. They enter plants through natural openings like stomata, lenticels, and water pores, and are spread via water, rain, insects, seeds, and other vectors. These bacteria can survive in the soil during winter and become active under high temperature and humidity conditions. Symptoms of bacterial diseases include wilting, rotting, and leaf perforation. In advanced stages, wet weather causes a sticky bacterial exudate to appear on infected areas, which is a key characteristic of bacterial infections. Bacterial diseases are among the most significant threats to agricultural production in China. For example, rice bacterial blight is one of the three major rice diseases, affecting over 10 million mu annually. It typically reduces yield by 10–20%, and in severe cases, up to 50%. Similarly, citrus canker is a serious disease that affects citrus crops across wide regions, lowering both yield and fruit quality. Ginger bacterial scab also poses a major challenge, as it prevents replanting and hinders economic growth in ginger-growing areas. Currently, there are fewer pesticide options available for controlling bacterial diseases compared to fungal ones. Commonly used products such as streptomycin, Yeqingshuang, and inorganic copper compounds (like copper hydroxide, copper sulfate, and cuprous oxide) often show limited effectiveness. This has led to the need for more advanced and effective solutions. Zhejiang Longwan Chemical Co., Ltd. has developed a new type of pesticide – 20% Longkei (TB) Copper Suspension Agent. This product is independently developed with intellectual property rights, recognized as a national key new product, and promoted by the Ministry of Agriculture. It has won the "First Prize for Technical Inventions" in the petrochemical industry and is listed as a "key promotion of pollution-free pesticides" by 18 provincial plant protection stations nationwide. The active ingredient, thiacax, combines thiazole groups with copper ions, offering strong internal translocation properties. It provides both protective and curative effects, is cost-effective, and easy for farmers to use. Additionally, 20% thiacax copper suspension agent is safe for humans, livestock, and beneficial organisms, and is environmentally compatible. To achieve optimal results, the concept of “full-process drug application” should be strictly followed when using thiacax. From seed treatment to transplanting and field stages, consistent application is essential. This approach helps address chronic issues like bacterial, soil-borne, and root diseases effectively. Relying only on late-stage treatments may not be sufficient due to temporary symptom relief. Thiacax is a versatile "fool-proof" pesticide that can be applied through seed soaking, seedling drenching, soil disinfection, root dipping, irrigation, and foliar spraying. It can be safely used at various growth stages—seedling, transplanting, flowering, fruit setting, and early disease onset—without causing crop damage. It also mixes well with other pesticides without compatibility issues. The formulation is produced using a "three-step reaction method," and after eight years of research, the process is now highly mature. Advanced formulations like suspension agents have been developed. The product is now in large-scale application and sales, with field trials showing that 20% thiacax copper suspension is a highly effective, low-toxicity, and safe bactericide. This product is primarily used to control bacterial diseases in crops such as rice (bacterial leaf blight, leaf streak), cabbage (soft rot), citrus (canker), ginger (scab), and cucumber (bacterial leaf spot). It can also manage certain fungal diseases like citrus scab, watermelon wilt, and banana leaf spot. Application rates vary depending on the target disease. For rice bacterial blight and leaf blight, the recommended concentration is 500–700 times dilution, with 100 g per mu. Seeds can be soaked, and the field sprayed once. If the disease appears early, one or two sprays may be needed. For bacterial leaf spot, spray at 500–700 times dilution. For Chinese cabbage soft rot, apply 600 times dilution via irrigation, achieving up to 80% control efficiency. For citrus canker, start spraying during spring, summer, and autumn shoots to protect young fruits. For soil-borne diseases like ginger bacterial scab, combine seed soaking with irrigation. Root diseases can be managed with irrigation and foliar sprays. In summary, thiacax copper suspension agent is an ideal choice for managing bacterial diseases. It’s specifically formulated for bacterial control and offers comprehensive protection throughout the growing season. Its full-process application strategy ensures long-term disease management and sustainable crop health.

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