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PubMed · 15031929

[Genes mapping on rice allelopathy against barnyardgrass].

Zhenghao Xu·Yong He·Shaorong Cui·Ming Zhao·Xu Zhang·Di Li
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Abstract

By using the relay seeding technique with slight modification, a population of 134 recombinant inbred lines (RILs) derived from a cross between indica rice (Oryza sativa L.) cultivar Zhong 156 x Gumei 2 and contained 168 DNA markers covering all 12 chromosomes with 1447.9 cM spans was employed to evaluate the rice allelopathic effect on barnyardgrass [Echinochloa crus-galli (I.) Beauv.]. The phenotyping values of the biomass of barnyardgrass infested with rice materials were employed to map the genes of allelopathic activity on barnyardgrass. One main effect of QTL on 7 chromosomes was identified, which explained 32.30% of the phenotypic variation. Six pairs of digenic epistatic loci were also detected, which collectively explained 47.83% of the phenotypic variation. The main QTL and epistatic loci totally explained 80.13% of the phenotypic variation of allelopathic activity.

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BiomassChromosome MappingEchinochloaHerbicidesOryzaQuantitative Trait LociEnglish AbstractJournal ArticleResearch Support, Non-U.S. Gov't

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Zhenghao Xu, Yong He, Shaorong Cui, Ming Zhao, Xu Zhang, Di Li. 2003. [Genes mapping on rice allelopathy against barnyardgrass].. https://pubmed.ncbi.nlm.nih.gov/15031929/

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