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Feasibility of mass selection for stalk rot resistance in maize

By: Fraj, M.
Contributor(s): Compton, W.A [coaut.].
Material type: materialTypeLabelArticlePublisher: 1986Subject(s): Disease resistance | Fusarium | Genetic variation | Heritability AGROVOC | Rots | Selection | Zea mays AGROVOC | Plant breeding AGROVOC In: Maydica v. 31, no. 3, p. 261-267617714Summary: Three populations (Nebraska B Synthetic, Nebraska Stiff Stalk Synthetic and the Nebraska version of the open-pollinated variety Krug) and 160 random S1 lines derived from each of these populations were evaluated in the field for resistance to Fusarium moniliforme [Gibberella fujikuroi] and G. zeae following inoculation. Parent-offspring regression was used to estimate heritability of resistance. Expected genetic advance was estimated to be 50% greater for mass selection than for S1 family per se selection on a gain per year basis. It is suggested that mass selection might be used as a step in a recurrent selection programme for improvement of stalk rotCollection: Reprints Collection
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Item type Current location Collection Call number Copy number Status Date due Barcode Item holds
Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

Reprints Collection REP-3830 (Browse shelf) 1 Available 617714
Total holds: 0

Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0025-6153

Tables, references p. 267

Three populations (Nebraska B Synthetic, Nebraska Stiff Stalk Synthetic and the Nebraska version of the open-pollinated variety Krug) and 160 random S1 lines derived from each of these populations were evaluated in the field for resistance to Fusarium moniliforme [Gibberella fujikuroi] and G. zeae following inoculation. Parent-offspring regression was used to estimate heritability of resistance. Expected genetic advance was estimated to be 50% greater for mass selection than for S1 family per se selection on a gain per year basis. It is suggested that mass selection might be used as a step in a recurrent selection programme for improvement of stalk rot

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