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Frequency of natural out-crossing in partially cleistogamous pigeonpea lines in diverse environments

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Relation http://oar.icrisat.org/4689/
http://dx.doi.org/10.2135/cropsci1994.0011183X003400030011x
 
Title Frequency of natural out-crossing in partially cleistogamous pigeonpea lines in diverse environments
 
Creator Saxena, K B
Jayasekera, S J B A
Ariyaratne, H P
Ariyanayagam, R P
Fonseka, H H D
 
Subject Pigeonpea
Climate change
 
Description Natural out-crossing is the major cause of loss of varietal purity in pegeonpea [Cajanus cajan (L.) Millsp.]. The frequency of natural out-crossing of partially cleistogamous mutant lines, characterized by a modified keel and filamentous anthers, was studied at two locations in Sri Lanka and three locations in India. Indeterminate growth habit and normal floral morphology were used as dominant markers and the frequency of anural out-crossing was estimated as percentage of the observed hybrid plants. Natural out-crossing in the mutant lines in Sri Lanka ranged from 0.14 to 1.33% in comparison to 6.34 to 19.64% in the controls. In the Indian environments, natural outcrossing ranged from 0.16 to 2.67%. The mutant was higly stable over diverse environments, and may be of considerable economic importance in pigeonpea improvement and seed-production programs.
 
Publisher Crop Science Society of America
 
Date 1994
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/4689/1/Crop_Science_34_660-662_1994.pdf
Saxena, K B and Jayasekera, S J B A and Ariyaratne, H P and Ariyanayagam, R P and Fonseka, H H D (1994) Frequency of natural out-crossing in partially cleistogamous pigeonpea lines in diverse environments. Crop Science, 34 (3). pp. 660-662. ISSN 0011-183X