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

OAR@ICRISAT

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Relation http://oar.icrisat.org/10261/
http://dx.doi.org/10.1111/pbr.12538
10.1111/pbr.12538
 
Title Use of immature seed germination and single seed descent for rapid genetic gains in pigeonpea
 
Creator Saxena, K B
Saxena, R K
Varshney, R K
 
Subject Pigeonpea
Genetics and Genomics
 
Description 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.
 
Publisher Wiley
 
Date 2017
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://oar.icrisat.org/10261/1/Saxena_et_al-2017-Plant_Breeding.pdf
Saxena, K B and Saxena, R K and Varshney, R K (2017) Use of immature seed germination and single seed descent for rapid genetic gains in pigeonpea. Plant Breeding. pp. 1-4. ISSN 01799541