A novel CMS line in Brassica napus with mitochondrial recombination with Isatis indigotica

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  Cytoplasmic male sterility(CMS)is a maternally inherited trait that fails to produce viable pollens,which is the main way to utilize heterosis.
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  Cytoplasmic male sterility(CMS)is a widely observed phenomenon,which is especially useful in hybrid seed production.
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