The successful development of the new bactericide "Loncobacteri (thiaca copper)"

At present, the primary agents used in China for managing bacterial diseases in crops include agricultural antibiotics, Yeqingshuang, and inorganic copper-based formulations. However, these traditional methods are increasingly ineffective due to issues like long-term use (over 20 years) leading to resistance, reduced efficacy, and environmental concerns. Inorganic copper compounds, for instance, often cause phytotoxicity and can promote the growth of pests such as mites when applied in high concentrations. Additionally, these products suffer from poor solubility, limited mixing capabilities, and inconvenient application methods, which further restrict their effectiveness. As a result, there is currently no highly effective and sustainable solution available for controlling bacterial diseases in key crops such as rice, citrus, fruits, and vegetables. This has created an urgent demand for new, efficient bactericides that can address these challenges effectively. The development of "Loncobacteri" (also known as Thiococcus Copper) has emerged as a breakthrough in this field. Thiococcus Copper, chemically named 2-amino-5-mercapto-1,3,4-thiadiazole copper, was developed by Zhejiang Longwan Chemical Co., Ltd. The company has been specializing in thiazole pesticide research for many years. This innovative compound was granted a national invention patent in 1999 (Patent No. ZL99773411.7) and received a pesticide registration certificate and production approval in 2000. The market potential for Thiococcus Copper is vast. Bacterial diseases affect approximately 30 million mu in China, with citrus canker and scab alone impacting around 23 million mu. Other economically important crops, including vegetables, fruits, orchards, flowers, and nursery stock, are also facing increasing disease pressure, with an estimated 110 million mu affected annually. It is estimated that about 26,500 tons of bacterial control agents are needed each year. Thiococcus Copper has shown excellent curative and preventive effects against various bacterial diseases, such as rice bacterial leaf streak, bacterial leaf blight, citrus canker, scab, and cucumber bacterial leaf spot. Its performance surpasses that of commonly used agents like Yeqingshuang, agricultural antibiotics, and inorganic copper preparations. The product brings significant social, economic, and ecological benefits. Field trials have demonstrated a cost-to-output ratio of 1:8 to 1:10, indicating strong economic returns for farmers. With its broad application potential and growing market demand, Thiococcus Copper has become a preferred choice for crop disease management. Through the "Industrialized Development of Pesticide Lungcoc" initiative, Thiococcus Copper will transition from provisional registration (LS) to official registration (PD). This will expand its bactericidal spectrum, application scope, and the number of crops it can protect—from 3 to 6 species—and increase the number of diseases it can manage—from 5 to 8. New formulations, such as 20% WDG compatible with mancozeb, have been developed. These efforts aim to promote the product nationwide, aiming for annual sales of over 1,000 tons and revenue exceeding 30 million yuan. Thiococcus Copper is set to become a dominant agent in the prevention and control of bacterial diseases in crops. It has also obtained pesticide registration certificates in the Philippines and Vietnam. Xiong Xingping

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