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Chemical induction of sterility in thermosensitive genic male sterile rice (Oryza sativa)*

Indian Agricultural Research Journals

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Title Chemical induction of sterility in thermosensitive genic male sterile rice (Oryza sativa)*
 
Creator VIJAYALAKSHMI, D
BANGARUSAMY, U
 
Subject Rice; Oryza sativa; Chemical induction; Sterility; Male Sterile
 
Description An attempt was made to identify a suitable chemical that can induce complete sterility in a thermosensitive genic male sterile rice line (Oryza sativa L.) even when the temperature drops below the critical sterility temperature. During the sensitive phase ofpanicle development, salicylic acid @800 ppm and 1000 ppm andethrel 800 ppm were sprayed at third and fifth stages of panicle development. Salicylic acid spray at 800 ppm concentration caused near complete ponen sterility in 'TS 29'. Salicylic acid was found to be the best and lowpriced alternative to ethrel in inducing pollen sterility without affecting the female fertility. The effect of salicylic acid is attributed to the increase in body temperature of the plant in induction ofsterility. Salicylic acid treatments recorded higher seed set percentages compared to ethrel treatment, it appeared that, ethrel affected the female organs to a certain extent in addition to effecting pollen sterility. 
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2011-01-07
 
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/3161
 
Source The Indian Journal of Agricultural Sciences; Vol 76, No 6 (2006)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/3161/1223
 
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