Jiangsu Pesticide Research Institute Co., Ltd. recently held a seminar and information conference on the application technology of 25% cymene suspension in Jinan. In recent years, the suspending agent has been widely used in the prevention and control of wheat scab in various places, and is environmentally friendly. It can completely replace carbendazim against wheat scab. After the use of cymene, the content of DON toxin in the kernel can be greatly reduced, and the wheat yield is significantly increased by more than 10% after use.
Zhou Mingguo, a professor at Nanjing Agricultural University, said that the previous understanding of the damage of wheat scab is limited to the disease, which can significantly reduce wheat yield. The latest research shows that the toxin (DON toxin) produced by wheat scab infecting wheat grains has great influence on human and animal health. It is recognized as the third most common cancer substance in the world. The international community has strict DON toxin content in flour. Content regulations. According to the test for two consecutive years from 2006 to 2007, the DON toxin content of most flour products such as instant noodles, biscuits, bread and cakes sold in the market is seriously exceeded. Some of the products are not up to the feeding standards according to international relevant standards. The content of DON toxin in Chinese flour has exceeded the standard significantly, and has been closely watched by relevant departments.
At present, the main agent for the control of wheat scab, carbendazim, has become increasingly resistant to disease due to its increasing resistance to pathogens. In the control of scab, carbendazim will also increase the content of DON toxin in wheat grains, which will aggravate food safety risks. The application of carbendazim in the control of wheat scab should be stopped. Zhou Mingguo said that he proposed the prevention of wheat scab on the same grounds at the Third National Conference of the Fourth National Expert Committee on Risk Assessment and Countermeasure of Agricultural Pesticide Resistance in Shanghai in November 2010. Stop carbendazim and get approval from the leading experts.
It is understood that wheat scab is an important disease in the late growth stage of wheat, and it may occur in the rainy weather during wheat heading and flowering. The pathogen of wheat scab can seriously reduce the yield of wheat, secrete DON toxin to contaminate flour, and seriously threaten food safety. It is a kind of disease that is of concern in the world. The bactericidal mechanism and mode of action of the 25% cymene suspension agent developed by the Jiangsu Provincial Pesticide Research Institute is different from other chemical pesticides, especially for wheat scab and rice seedling disease.
Jiangsu, Anhui, Henan, Hubei, Sichuan, Henan, 6 major planting areas of the plant protection station, the head of the medical equipment department, Nanjing Agricultural University, the national agricultural system, plant protection experts of some provincial and agricultural academies, and national agricultural technology promotion The relevant leaders of the service center attended the meeting.
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