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Grain yield in cereal crops was an eternal theme.The number of panicles perplant(PN),filled spikelets per panicle(FSP),and 1000-grain weight(TGW)were the three important yield components.Some QTLs for rice yield had beenmapped,but conditional QTLs for grain yield had not been analyzed.Phenotypicvalues of yield traits,which had no influence on the given components,wereused for QTLs conditional analysis.This study was to uncover conditional QTLsfor rice yield in a RIL population,and to search for evidences on the geneticbasis of yield QTLs.
Grain yield in cereal crops was an eternal theme.The number of panicles perplant (PN), filled spikelets per panicle (FSP), and 1000-grain weight (TGW) were the three important yield components.Some QTLs for rice yield had beenmapped, but conditional QTLs for grain yield had not been analyzed. Phenotypic values of yield traits, which had no influence on the given components, were used for QTLs conditional analysis. This study was to uncover conditional QTLs for rice yield in a RIL population, and to search for evidences on the geneticbasis of yield QTLs.