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A quantitative analysis of rust (Uromyces fabae) resistance in pea (Pisum sativum) using RILs

Indian Agricultural Research Journals

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Title A quantitative analysis of rust (Uromyces fabae) resistance in pea (Pisum sativum) using RILs
 
Creator SINGH, A K
RAI, R
SRIVASTAVA, C P
SINGH, B D
KUSHWAHA, C
CHAND, R
 
Subject AUDPC
Average degree of dominance
Heritability
Pea
Uromyces fabae
 
Description In a quantitative analysis of pea rust resistance using a RIL population, heritability estimates for disease severity and AUDPC were found to be 0.90 and 0.93, respectively. High heritability indicated that selection for pea rust resistance can be made under polyhouse conditions using either disease severity or AUDPC as disease reaction estimators. Average degree of dominance (ADD) for resistance to U. fabae was 0.11 and 0.14 for disease severity and AUDPC, respectively, indicating that the genes controlling U. fabae resistance exhibited a low degree of incomplete dominance. Estimates of the minimum number of effective genes conferring resistance to pea rust, using three different methods of estimation, varied from two to three.
 
 
Publisher Indian Council of Agricultural Research
 
Date 2012-02-07
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/IJAgS/article/view/15301
10.56093/ijas.v82i2.15301
 
Source The Indian Journal of Agricultural Sciences; Vol. 82 No. 2 (2012); 190–2
2394-3319
0019-5022
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/IJAgS/article/view/15301/7676
 
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