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Population structure and breeding value of a new type of Brassica juncea created by combining A and B genomes from related allotetraploids.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik - 1 Feb 2015

Gupta Mehak, Gupta Shilpa, Kumar Hitesh, Kumar Nitin, Banga S S

Abstract excerpt

KEY MESSAGE: Derived amphiploidy helped to resynthesize agronomically superior B. juncea germplasm which showed high heterosis in crosses with natural B. juncea . This new procedure facilitates a seamless flow of variation across Brassica digenomics. Brassica digenomics, artificially resynthesized by hybridizing extant genome donor diploids, show poor breeding value due to the linkage drag associated with diploid...

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PMID: 25399317
DOI: 10.1007/s00122-014-2423-7

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