At the moment, it is the season when food crops grow, and pests and diseases are also easy to harm. The National Agricultural Technology Extension Service Center published two warnings on the website to remind everyone. Spodoptera californica invades 13 provinces and harms spring corn The National Agricultural Technology Extension Service Center today released the latest issue of "Pests and Diseases Information" to remind against the genus Spodoptera. After Yunnan, Guangxi, Guizhou, Guangdong, and Hunan saw the insects, since the end of April, the larvae have been found in Hainan, Fujian, Zhejiang, Hubei, Sichuan, Jiangxi, Chongqing, and Henan. The spread of insects has spread significantly. accelerate. As of May 10, 261 counties (cities, districts) of 61 cities (prefectures) in 13 provinces (districts) found larvae as harmful corn, and the initial statistical area was 1.08 million mu. In the late spring and early summer, spring corn enters the growing season from south to north. In addition, the wind field and weather conditions are suitable. In addition to continuing to breed in the southern provinces, the grass worms will spread to the middle and lower reaches of the Yangtze River, Huanghuai, East China and Northeast China. And the northwest and other places are harmful. Trend analysis At present, Spodoptera frugiperda has a wide range of occurrence, rapid expansion, serious damage, and difficulty in monitoring and controlling. It will establish an annual breeding area in China and form a summer occurrence area. It will be safe for the main areas of Huanghuaihai summer corn and northern spring maize. A major threat. At present, spring maize is mostly in the seedling stage to the tasseling stage, which is suitable for the feeding of the genus Spodoptera exigua; in addition to the increasing domestic insect sources, the source of insects outside Myanmar, Vietnam, Thailand will continue to move in, and with the southwest monsoon of China Increased, the speed of the northward migration of Spodoptera frugiperda will be significantly accelerated. Recently, in addition to the continued expansion of the southern provinces, there will be areas of damage in the middle and lower reaches of the Yangtze River and the Huanghuai area, and the probability of the emergence of Spodoptera frugiperda in North China and the southeastern part of the country increases. Therefore, the National Agricultural Technology Extension Service Center recommends that all localities should raise awareness, immediately organize census work, and conduct adult lamp traps and sexual inducement monitoring, timely release of pest information, guide scientific prevention and control, and strive to achieve “infested foodâ€. ". The occurrence of early rice pests this year will be more important than the previous year. Recently, the National Agricultural Technology Extension Service Center held a 2019 National Early Rice Disease and Pest Development Trend Chamber of Commerce in Hangzhou, Zhejiang. Experts agreed that the occurrence of major pests and diseases in early rice in 2019 is still grim, and the overall situation will be moderate to heavy, which is more important than the previous year. Among them, rice planthoppers are in South China, southern Jiangnan, southwestern southern rice areas, and rice leaf roller is in the eastern and northern parts of Guangxi, western Guangdong, and Jiangnan local rice areas. The first generation of rice stems are in the south and middle and lower reaches of the Yangtze River. In the southern part of South China, Jiangnan and the middle and lower reaches of the Yangtze River, rice blast will occur in the old ward and susceptible areas. Do a good job in monitoring and monitoring crop pests and diseases The National Agricultural Technology Center will do a good job in monitoring and warning crops. Accelerate the accuracy of measurement and report: Accelerate the construction of field automation intelligent monitoring network in accordance with the "Internet +" and the idea and requirements of clustering, improve the quality of measurement and report, and support the development of green high quality. Optimize the reporting technology service: On the basis of doing a good job of trend forecasting, innovate the content and method of the forecasting service, propose corresponding prevention and control technical measures, and enhance the pertinence of the forecasting service. Timely submission and release of information: adhere to the data reporting system such as the weekly information report on pests and diseases, timely dispatch and report the prevention and control information of pests and diseases, make full use of modern information technology, broaden the distribution channels of forecast information, and improve the timeliness and the rate of arrival. Source: National Agricultural Technology Promotion Network This article URL: 2019 corn early rice insects threaten serious planting areas need to pay attention to prevention methods and precautions Half Shell Mussel,Frozen Cooked Half Shell Mussel,Seafood Frozen Half Shell Mussel,Frozen Half Shell Mussel Shengsi Xiangyuan Aquatic Products Co.,Ltd., , https://www.xiangyuan-aquatic.com