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Use of immature seed germination and single seed descent for rapid genetic gains in pigeonpea

Saxena, K., Saxena, R.K., Varshney, R.K.ORCID: 0000-0002-4562-9131 and Prasad, M. (2017) Use of immature seed germination and single seed descent for rapid genetic gains in pigeonpea. Plant Breeding, 136 (6). pp. 954-957.

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Long duration required for generation advancement in pigeonpea [Cajanus cajan (L.) Millsp] is one of the major bottlenecks in realizing rapid genetic gains. Therefore, a technology for rapid generation turnover is warranted to facilitate the development of new cultivars and recombinant inbred lines. Breeding of early‐maturing cultivars has now opened up the possibility of rapid generation advance (RGA) in this crop. This paper reports the development of an RGA technology that integrates the germination of immature seeds with single seed descent method of breeding. The results showed that immature 35‐day‐old seeds can be used successfully to turn over a generation of pigeonpea with 100% seed germination. These way 3/4 successive generations can be grown within a year. The methodology presented in this study will accelerate the breeding process for breeding cultivars and develop rapidly the materials required for genomics research in pigeonpea.

Item Type: Journal Article
Publisher: Blackwell Publishing
Copyright: © 2017 Blackwell Verlag GmbH
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