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【Key Points】
☆ Natural enemies such as cockroaches and insects such as insects are played in the prevention and control of grassland night moths;
☆ The grass moth can quickly produce resistance to pesticides;
☆ The existing method of insecticide in China is chemical prevention and control;
☆ Integrated pest management, especially biological control, should be introduced as soon as possible.
"Grassland Nightcrawler (Autumn Armyworm) Global News (2019.6.5-6.7)"
On June 3, the Department of Agriculture and Rural Affairs of Shaanxi Province issued a message confirming the discovery of the night moth in Hanzhong City, Shaanxi Province. Shaanxi Province became the 18th province in China where the grassland night moth was found.
(Cotesia marginiventris preys on autumn armyworms.) Source/Left: M.J Sharkey; Right: A.S.T Willener)
On June 3, the Ministry of Agriculture and Rural Affairs issued a notice proposing 25 kinds of pesticide products for emergency use. The agricultural and rural departments in all localities should select recommended agents in light of the actual local conditions and recommend them to farmers for use. Moreover, the notice limits the time for emergency medication use. According to the occurrence of grassland moth and the actual needs of prevention and control, the emergency medication time is tentatively scheduled until December 31, 2020. (Ministry of Agriculture and Rural Affairs)
On June 3, an article published in the journal Pest Management Science (IF 3.249) titled Detection of a ryanodine receptor target‐site mutation in diamide insecticide resistant fall armyworm, Spodoptera frugiperda. DOI: 10.1002/ps.5505
On June 4, the General Office of the Ministry of Agriculture and Rural Affairs issued the "Notice on Doing a Good Job in the Emergency Prevention and Control of the Grassland Nightcrawler", which shows that as of June 6, the grassland nightcrawler has been monitored in 884 counties (cities, districts) in 18 provinces, with an area of 3.42 million mu.
On June 5, the executive meeting of the State Council proposed to take effective measures to strengthen the prevention and control of diseases and insect pests such as the grassland moth this year.
Above: Crops that are eaten badly by autumn armyworms. Source/Food and Agriculture Organization of the United Nations (FAO)
From June 5 to 6, the New York Times, the Daily Mail, Reuters and others published articles on China's autumn armyworm disaster.
On May 8, THE US media outlet CNBC published a news article titled "Greedy Pests Threaten China's Crops and May Increase China's Demand for Food Imports." This time node of Sino-US trade negotiations released this article, which caused the author to worry, so I wrote this article. Photo: CNBC
On June 6, the Ministry of Agriculture and Rural Affairs and the Ministry of Finance have arranged 500 million yuan of central financial agricultural production disaster relief funds to support the insect outbreak area and the migration transition area to carry out unified prevention and control, joint prevention and control, and emergency prevention and control. (Xinhua News Agency)
On June 6, the General Office of the Ministry of Agriculture and Rural Affairs issued an emergency notice requiring agricultural and rural departments at all levels to increase their personnel strength, increase observation outlets, strengthen monitoring methods, and comprehensively do a good job in insect investigation and monitoring. Focus on sensitive crops such as corn, sugarcane, and sorghum, and fully mobilize county and township agricultural technicians, plant protection professional organizations, and farmers' technical forces to participate in the insect situation census to ensure that "counties do not leak townships, townships do not leak villages, and villages do not leak fields." (Ministry of Agriculture and Rural Affairs)
The relevant content of the "Plant Disease and Insect Information" issued by the National Agricultural Technology Extension Service Center under the Ministry of Agriculture and Rural Affairs. Source/natesc
On June 6, the Rural Agriculture Department of Shandong Province issued the "2019 Central Financial Agricultural Production Disaster Relief Fund Project Implementation Plan", and more than 40 million subsidies were used to deal with grassland night moths. The "Implementation Plan" proposes that the subsidy funds can be given priority for agricultural and rural departments to carry out project subsidies such as monitoring and investigation of grassland moths, technical training, printing of publicity materials, purchase of monitoring tools, and prevention and control technical guidance. Emergency prevention and control subsidies are mainly used for government subsidies for the purchase of unified prevention and control services, and the subsidy per mu does not exceed 10 yuan. (Dazhong Daily)
On June 6, the Institute of Plant Protection of the Chinese Academy of Agricultural Sciences urgently launched field and indoor experiments on the prevention and control of natural enemy insects such as cockroaches and insects, investigated and collected the species of natural enemies of the grassland night moth in China and assessed the control potential, providing technical support for the biological control of the grassland night moth by "treating insects with insects". (Science and Technology Daily)
Field experiments and indoor experiments carried out in Anning, Xundian, Mohei, Menghai and other places in Yunnan showed that the cockroach has a significant control effect on the grassland night moth. Both the fly bug and the beneficial bug can actively search for the grass moth, in 9 minutes can find and lock the pest, at a distance of 1 cm quickly launched an attack, the mouth needle into the grass night moth, suck the body fluids, and secrete anesthetics to cause prey paralysis, and finally the grass night moth due to loss of body fluid nutrition, tissue and organ damage in the body and death. Indoor measurements showed that each adult flying insect could feed about 25-30 2-year larvae of the grassland moth or 2-3 6-year larvae of the grassland moth within one day, and each adult of the beneficial bug could feed 28-41 2-year larvae of the grassland moth or 3-5 6-year larvae of the grassland moth within one day. detail:
http://www.stdaily.com/cxzg80/guonei/2019-06/06/content_771012.shtml
Finishing /Linda Nuclear/China Green Hair Society Grassland Nightcrawl Biological Control Team Editor/Apple
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