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Effect of loose smut (Ustilago segetum f sp tritici) infection in the enhancement of susceptibility to stem rust (Puccinia graminis f sp tritici) of wheat (Triticum aestivum)

Indian Agricultural Research Journals

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Title Effect of loose smut (Ustilago segetum f sp tritici) infection in the enhancement of susceptibility to stem rust (Puccinia graminis f sp tritici) of wheat (Triticum aestivum)
 
Creator MISHRA, A N
KAUSHAL, KAMINI
VARMA, P K
PANDEY, H N
 
Subject Loose smut, Stem rust, Wheat, Induced susceptibility, Predisposition
 
Description A total of 132 bread wheat (Triticum aesfivum L. emend. Fiori & Paol.) lines showing loose-smut [Ustilago segetum (Bull.) Rousel f sp tritici) infection, were studied over 2 crop seasons during 1997-99 to compare the intensity of stem rust (Puccinia graminis f sp tritci) infection between the smutted and non-smutted tillers in each line. The smutted tillers showed higher levels of stem-rust infection than their non-smutted counterparts in more than 94% lines. One-third of the wheat lines studied (45/132) could be rated susceptible (average coefficient of infection> 10.0) to stem rust, when rust reaction of only the smutted tillers was considered for the computation of average coefficient of infection. Stem-rust infection of the smutted tillers was not considered for determining the field response of a wheat line to stem rust, to avoid over-rating.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2014-04-16
 
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/39799
 
Source The Indian Journal of Agricultural Sciences; Vol 71, No 5 (2001)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/39799/17905
 
Rights Copyright (c) 2014 The Indian Journal of Agricultural Sciences