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Combining ability studies of pigeonpea cytoplasmic male sterile (CMS) lines with an obcordate leaf marker

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Relation http://oar.icrisat.org/8321/
http://dx.doi.org/10.5897/JPBCS2014.0453
 
Title Combining ability studies of pigeonpea cytoplasmic male sterile (CMS) lines with an obcordate leaf marker
 
Creator Patil, S B
Hingane, A J
Sameer Kumar, C V
Mula, M G
Kumar, R V
Saxena, K B
 
Subject Pigeonpea
 
Description Hybrid pigeonpea [Cajanus cajan (L.) Millsp.] breeding technology based on cytoplasmic male sterile (CMS) was recently developed in India. A program was initiated to track the purity of female parental lines by incorporating an obcordate leaf shape marker in established male sterile A-lines. Seven obcordate A-lines developed by backcrossing and selection were crossed with four known fertility restorers in line x tester mating design to study their general and specific combining ability. Higher magnitude of specific combining ability (SCA) effect showed that, hybrid yield was under the control of non-additive genes. Among A-lines, ICPA 2204 was the best general combiner. Among testers, ICPL 20116 was the best general combiner. Among hybrids, ICPA 2208 x ICPL 20108 a cross between high general combining ability (GCA) parents was the best with positive significant SCA effect and higher mean performance for grain yield, 100-seed mass, number of seeds/pod and resistance to fusarium wilt disease. The success of this technology will help to address the issue of seed purity to some extent.
 
Publisher Academic Journals
 
Date 2014
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/8321/1/JPBCS_6_7_84-90_2014.pdf
Patil, S B and Hingane, A J and Sameer Kumar, C V and Mula, M G and Kumar, R V and Saxena, K B (2014) Combining ability studies of pigeonpea cytoplasmic male sterile (CMS) lines with an obcordate leaf marker. Journal of Plant Breeding and Crop Science, 6 (7). pp. 84-90. ISSN 2006-9758