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Genetic analysis of resistance to karnal bunt (Tilletia indica (Mitra) in bread wheat

By: Morgounov, A.I.
Contributor(s): Montoya, J [coaut.] | Rajaram, S [coaut.].
Material type: materialTypeLabelArticlePublisher: 1994ISSN: 1573-5060 (Revista en electrónico).Subject(s): Disease resistance | Inheritance (genetics) | Mycoses | Plant diseases | Tilletia indica | Triticum aestivum AGROVOC | Wheats AGROVOC In: Euphytica v. 74, no. 1-2, p. 41-46999640Summary: Analysis of an F1-based incomplete diallel series of crosses involving 11 parents with different levels of resistance to Karnal bunt (Tilletia indica) revealed that GCA and thus additive or additive x additive gene effects were important for the inheritance of resistance, accounting for 87% of the variation. Further analysis concentrated on F3 lines derived from individual random F2 plants from crosses with resistant varieties having the highest negative GCA effects. The varieties Weaver and W499 possessed single dominant genes of resistance, which are distinct from each other, and which differed from a single allelic gene in varieties K342 and Cruz Alta. The majority of the crosses did not demonstrate a relationship between Karnal bunt infection and The number of days to heading in resistant F3 lines ranged from 80 to 100 daysCollection: CIMMYT Staff Publications CollectionCollection: Serials Collection
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Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

Look under journal title (Browse shelf) 1 Available 999640
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Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0014-2336

Analysis of an F1-based incomplete diallel series of crosses involving 11 parents with different levels of resistance to Karnal bunt (Tilletia indica) revealed that GCA and thus additive or additive x additive gene effects were important for the inheritance of resistance, accounting for 87% of the variation. Further analysis concentrated on F3 lines derived from individual random F2 plants from crosses with resistant varieties having the highest negative GCA effects. The varieties Weaver and W499 possessed single dominant genes of resistance, which are distinct from each other, and which differed from a single allelic gene in varieties K342 and Cruz Alta. The majority of the crosses did not demonstrate a relationship between Karnal bunt infection and The number of days to heading in resistant F3 lines ranged from 80 to 100 days

Global Wheat Program

English

R94ANALY|Springer|WP|1

INT1787

CIMMYT Staff Publications Collection

Serials Collection

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