Stability analysis for grain yield of promising durum wheat genotypes in southern warm and dry agro-climatic zone of Iran
Author(s):
Abstract:
To determine agronomic performance and grain yield stability of durum wheat promising genotypes in southern warm and dry agro-climatic zone of Iran, 18 durum wheat promising lines and Karkheh (durum wheat) and Chamran (bread wheat) cultivars as checks, were evaluated in Khorramabad, Ahwaz, Darab, Dezful and Zabul, using randomized complete block design with three replications in two consecutive cropping cycles (2007-2009). Since the genotype × environment interaction was significant, eight stability statistics were calculated (and) for stability analysis. Based on the above statistics and three-dimensional plots derived from the statistics of type one, two and four, genotypes 1, 3, 5, 14 and 17 showed varying degrees of the general stability, in most of the methods used. Among these genotypes, genotypes 5 (NUS/SULA//5*NUS/4/SULA/RBCE_2/3/HUI//CIT71/CII) and 14 (CNDO/PRIMADUR//HAI-OU_17/3/SN TURK MI83-84 375/NIGRIS_5//TANTLO_1) with the average grain yield of 5926 kg.ha-1 and 5912 kg.ha-1, respectively, based on all methods, had grain yield stability. These genotypes were identified as suitable and adapted genotypes with grain stability for southern warm and dry agro-climatic zone ofIran.
Language:
Persian
Published:
Iranian Journal of Crop Sciences, Volume:13 Issue: 3, 2012
Page:
565
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