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Position: Home > Articles > Case study on the first immigration of fall armyworm, Spodoptera frugiperda invading into China Journal of Integrative Agriculture 2021,20 (3)

Case study on the first immigration of fall armyworm, Spodoptera frugiperda invading into China

作者：

Sun Xiao-xu;Hu Chao-xing;Jia Hui-ru;Wu Qiu-lin;Shen Xiu-jing;Zhao Sheng-yuan;Jiang Yu-ying;Wu Kong-ming

单位：

Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China;Southwest Univ, Coll Plant Protect, Chongqing 400716, Peoples R China;Guizhou Univ, Inst Entomol, Guizhou Prov Key Lab Agr Pest Management Mt Reg, Guiyang 550025, Peoples R China;Natl Agrotech Extens & Serv Ctr, Beijing 100125, Peoples R China

关键词：

Spodoptera frugiperda;Yunnan Province;China;invasion;accumulated temperature;migration trajectory

摘要：

The fall armyworm (FAW), Spodoptera frugiperda is one of the most damaging crop pests, and it has become major threat to the food security of many countries. In order to monitor possible invasion of this pest into China, a searchlight trap was established in March 2018 in western Yunnan Province, China, where it has served as the "first station" for many pests that have migrated from Myanmar to China. A number of suspected FAW moths were captured and identified by DNA sequencing. The results showed that the FAW moth was first captured on December 11 and formed its first immigration peak in mid-December 2018. DNA detection revealed that the early invading FAW population was the "corn-strain". The field survey indicated that the pest mainly colonized corn in Pu'er, Dehong and Baoshan areas. Migration trajectory simulation implied that the moths might have mainly come from the eastern area in the mid-latitude region of Myanmar (20-25 degrees N, 94-100 degrees E). This case study confirmed the first immigration of FAW into China, and will be helpful for guiding monitoring and management work to control this pest.

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Case study on the first immigration of fall armyworm, Spodoptera frugiperda invading into China

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