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Summary Quantitative trait loci (QTL) analysis for Al tolerance was performed in rice using a mapping population of 98 BC1F10 lines (backcross inbred lines: BILs), derived from a cross of Al-tolerant cultivar of rice (Oryza sativa L. cv. Nipponbare) and Al-sensitive cultivar (cv. Kasalath). Three characters related to Al tolerance, including root elongation under non-stress conditions (CRE), root...
Partial female gamete abortion which is revealed as hybrid sterility of panicles in most of indica/japonica crosses of rice (Oryza sativa L.) is due to an allelic interaction between indica-type allele S5-i and japonica-type allele S5-j at S5 locus on chromosome 6, while some varieties, such as Dular, have a neutral allele S5-n, and both the S5-n/S5-i and S5-n/S5-j genotypes are fertile. We report...
AFLP technique was used to analyse the polymorphism between rice cytoplasmic male sterility (CMS) line Jin2A and its maintainer Jin2B. A stable differential band was discovered, and sequence analysis showed that Jin2A contained a more tandem repeat of 6 base pairs (AGAAAA) than Jin2B. Further studies confirmed that the diversity came from cpDNA and occurred at three kinds of abortive cytoplasmic genotypes...
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