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Identification of improved source of wide compatibility gene and sterility gene(s) in inter-subspecific crosses of rice (Oryza sativa).

Indian Agricultural Research Journals

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Title Identification of improved source of wide compatibility gene and sterility gene(s) in inter-subspecific crosses of rice (Oryza sativa).
 
Creator KUMAR, SANJEET
CHAKRABARTI, S N
 
Subject indica, inter-subspecific crosses,japonica, Oryza sativa, wide compatibility
 
Description A study was conducted during dry season of 1995, wet seasons of 1995 and 1996 at Cuttack and New Delhi toidentify improved source of wide compatibility gene and sterility gene(s) in inter-sub specific crosses (indica x japonica) of rice COryza sativa L.) Although attempts were made to develop 28 inter-subspecific crosses and four reciprocal crosses involving four japonicas as female and seven indicas as male parents, progenies of 26 cross combinations and three reciprocals were finally evaluated for spikelet (female) and pollen (male) fertility. 'JD-8' has been identified as new improved source of wide compatibility gene. Association of high pollen fertility with high spikelet sterility in all crosses has been explained in the light of expression of spikelet of sterility gene(s) in materials utilized. Possibleinvolvement of cytoplasmic genome in the expression of spikelet sterility was ruled out since there was no significantdifference in the spikelet fertility between 3 crosses and their reciprocals.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-04-01
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/28617
 
Source The Indian Journal of Agricultural Sciences; Vol 70, No 7 (2000)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/28617/12942
 
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