Effects of Two Bt Rice Lines T2A-1 and T1C-19 on the Ecological Fitness and Detoxification Enzymes of Nilaparvata lugens (Hemiptera: Delphacidae) From Different Populations
Authors: Yang, Yajun; He, Jingjing; Dong, Biqin; Xu, Hongxing; Fu, Qiang; Zheng, Xusong; Lin, Yongjun; Lu, Zhongxian
Source: Journal of Economic Entomology, Volume 106, Number 4, Pages 1517-1937 , pp. 1887-1893(7)
Publisher: Entomological Society of America
Abstract:The brown planthopper, Nilaparvata lugens Stål (Hemiptera: Delphacidae), exhibits geographic and temporal variations in its virulence and damage characteristics on cultivated rice varieties, so the potential ecological risk of the nontarget effectiveness of Bt rice on different brown planthopper populations should be addressed. The nontarget effects of two Bt rice lines T2A-1 (Cry2A rice) and T1C-19 (Cry1C rice) on six brown planthopper populations with geographical, virulent, and resistant variations were evaluated. Populations differed significantly in relation to brown planthopper nymphal survival, nymphal duration, and female adult weight. T2A-1 and T1C-19 did not affect the ecological fitness parameters of brown planthopper compared with the parental non-Bt rice MH63. Both esterase and glutathione-S-transferase activities differed between brown planthopper populations. Esterase activity of some brown planthopper populations was significantly affected by the rice lines. It is important to take account of these findings in management of nontarget brown planthopper in Cry2A or Cry1C rice in the future.
Document Type: Research Article
Publication date: 2013-08-01
- Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
- Editorial Board
- Submit a Paper
- Subscribe to this Title
- Information for Advertisers
- Visit this journal's homepage
- ingentaconnect is not responsible for the content or availability of external websites