Quantitative Trait Loci for Asian Corn Borer Resistance in Maize Population Mc37×Zi330

LI Xia; HE Kang-lai; WANG Zhen-ying; BAI Shu-xiong

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Quantitative Trait Loci for Asian Corn Borer Resistance in Maize Population Mc37×Zi330

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Asian corn borer,Ostrinia furnacalis(Guenée),is the most important pest of maize in China and Southeast Asia.The objective of this study was to understand the genetic basis for Asian corn borer resistance.The study included 162 F2:3 populations derived from Mc37(resistant) × Zi330(susceptible) and field data were collected in 2004 and 2005.A linkage map was constructed from 118 SSR markers.Combined quantitative trait loci(QTL) analysis combined across environments was performed by composite interval mapping method(CIM).Four QTLs with additive effects were detected for resistance to Asian corn borer leaf feeding damage in chromosome bins 1.08,2.04/05,4.01,and 10.04.Three putative QTLs were detected for Asian corn borer stalk damage in chromosome bins 1.01,2.05,and 9.01.Maize resistance to Asian corn borer and European corn borer,O.nubilalis(Hübner),may share a common mechanism.Genes responsible for DIMBOA biosynthesis are in chromosome bin 4.01 and may increase the observed resistance to Asian corn borer leaf feeding.

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《农业科学学报：英文版》 |2010年第1期|77-84|共8页
作者
LI Xia; HE Kang-lai; WANG Zhen-ying; BAI Shu-xiong;
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作者单位

State Key Laboratory for the Biology of Plant Diseases and Insect Pests;

Institute of Plant Protection;

Chinese Academy of Agricultural Sciences;

Beijing 100193;

P.R.China;

Research Institute of Forest Ecology;

Environment and Protection;

Chinese Academy of Forestry;

Beijing 100091;

P.R.China;

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原文格式 PDF
正文语种 chi
中图分类玉米虫害;稻;
关键词
亚洲玉米螟; 数量性状位点; 玉米群体; 抗性; QTL检测; 复合区间作图法; SSR标记; 欧洲玉米螟;

Quantitative Trait Loci for Asian Corn Borer Resistance in Maize Population Mc37×Zi330

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