caa a22 4500 44532466X CHVBK 20180317142716.0 cr unu---uuuuu 170323e20110701xx s 000 0 eng 10.1007/s10681-011-0395-0 doi (NATIONALLICENCE)springer-10.1007/s10681-011-0395-0 Epistasis and complementary gene action adequately account for the genetic bases of transgressive segregation of kilo-grain weight in rice [Elektronische Daten] [Donghai Mao, Touming Liu, Caiguo Xu, Xianghua Li, Yongzhong Xing] Transgressive segregation is a common phenomenon in plant species. In this study, transgressive segregation for kilo-grain weight (KGW) was observed in a recombinant inbred line (RIL) population derived from the cross between an indica variety, Teqing, and a wide compatible japonica variety, 02428, in three environments. A genetic linkage map with 154 single sequence repeat markers (SSR) was developed. Effects on KGW of quantitative trait loci (QTLs), digenetic epistasis, and their environmental interaction (QE) were determined using a mixed linear model approach. 13 QTLs with additive effects and 8 digenetic interactions involving 16 loci were identified. Eight QTLs were involved in interactions. Two QTLs and one epistasis showed QE. 30.0 and 14.0% of variation was explained by the additive effects and epistasis, respectively, which were much greater than the 4.4% of variation explained by QE. According to the model used, predicted KGW values of extreme phenotypes in the RIL population were very close to their observed values. This indicated that complementary action of additive QTLs and epistasis can adequately account for the important genetic bases of transgressive segregation for KGW in the rice RIL population. Springer Science+Business Media B.V., 2011 Quantitative trait locus nationallicence Transgressive segregation nationallicence Epistasis nationallicence Genotype by environment interaction nationallicence Oryza sativa L nationallicence Mao Donghai National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, 430070, Wuhan, China aut Liu Touming National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, 430070, Wuhan, China aut Xu Caiguo National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, 430070, Wuhan, China aut Li Xianghua National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, 430070, Wuhan, China aut Xing Yongzhong National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, 430070, Wuhan, China aut Euphytica Springer Netherlands 180/2(2011-07-01), 261-271 0014-2336 180:2<261 2011 180 10681 https://doi.org/10.1007/s10681-011-0395-0 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10681-011-0395-0 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Mao Donghai National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, 430070, Wuhan, China aut NATIONALLICENCE 700 1- Liu Touming National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, 430070, Wuhan, China aut NATIONALLICENCE 700 1- Xu Caiguo National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, 430070, Wuhan, China aut NATIONALLICENCE 700 1- Li Xianghua National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, 430070, Wuhan, China aut NATIONALLICENCE 700 1- Xing Yongzhong National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, 430070, Wuhan, China aut NATIONALLICENCE 773 0- Euphytica Springer Netherlands 180/2(2011-07-01), 261-271 0014-2336 180:2<261 2011 180 10681 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer