Paper Information

Journal:   ELECTRONIC JOURNAL OF CROP PRODUCTION   FALL 2010 , Volume 3 , Number 3; Page(s) 179 To 200.
 
Paper: 

STUDY OF GRAIN YIELD STABILITY AND GENOTYPE - ENVIRONMENT INTERACTION IN 20 BREAD WHEAT LINES IN WANN AND DRY AREAS OF SOUTH OF IRAN

 
 
Author(s):  ESMAEILZADEH MOGHADDAM M.*, ZAKIZADEH M., AKBARI MOGHADDAM H., ABEDINI ESFAHLANI M., SAYAHFAR M., NIKZAD A.R., TABIB GHAFFARI S.M., AEINEH A.L.
 
* SEED AND PLANT IMPROVEMENT INSTITUTE, CEREAL DEPARTMENT, KARAJ, IRAN
 
Abstract: 
In order to determine yield stability and evaluation of genotype x environment interaction, 20 spring bread wheat promising lines and varieties were studied in a randomized complete block design with three replications in four warm and dry stations (Ahwaz, Dezful, Darab, & khorramabad) during 2002-2004. Chamran cultivar was a check in two years trial. The results revealed that the grain yield of genotypes were different in studied environments. Combined analysis results conftrmed that the effects of location and year, and the interaction of location x year x genotype were signiftcant statistically in 5% and 1% levels respectively.
Stability analysis for grain yield of genotypes based on Eberhart and Ressel linear regression coefftcient, Wrick's ecovalence, Shukla's stability variance, Index for simultaneous selection, non-parametric statistic method (mean rank of yield, standard deviation of rank of yield, and yield index ratio), AMMI and SHMM models, revealed that the genotypes No.1, 7 and 2 were the most stable genotypes.
 
Keyword(s): ADAPTATION, BREAD WHEAT, GRAIN YIELD, STABILITY, WARM AND DRY AREAS
 
References: 
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