Molecular evidence for blocking erucic acid synthesis in rapeseed (Brassica napus L.) by a two-base-

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DNA sequences of fatty acid elongase 1 genes FAE1.1(EA) and FAE1.2(EC) were isolated and characterized for 30 commercialized low erucic acid rapeseed(LEAR) cultivars in China. Four types of independent mutation leading to low erucic acid trait were found,
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