STABILITY OF GRAIN YIELD IN PROMISING WINTER AND FACULTATIVE WHEAT (TRITICUM AESTIVUM L.) LINES

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KEBRIAEI A.; YAZDAN SEPAS A.; KESHAVARZ S.; BIHAMTA M.R.; NAJAFI MIRAK T.

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Journal: Iranian Journal of Crop Sciences Year:2007 | Volume:9 | Issue:3 (35) Page(s): 225-236

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Title

STABILITY OF GRAIN YIELD IN PROMISING WINTER AND FACULTATIVE WHEAT (TRITICUM AESTIVUM L.) LINES

Author(s)

Keywords

WHEATQ3

GENOTYPE × ENVIRONMENT INTERACTIONQ2

STABILITY PARAMETERSQ3

VARIANCEQ3

Abstract

To study genotype×environment interaction and stability of grain yield in bread WHEAT genotypes, 20 promising winter and facultative bread WHEAT lines were evaluated for grain yield (YLD) in 10 locations in 2001/02 and 2002/03 cropping seasons. Ten locations included Karaj, Zanjan, Ardebil, Arak, Miandoab, Jolgerokh, Mashhad, Hamedan, Eqlid and Tabriz. Experimental design in each environment was randomized complete block (RCB) with three replications. STABILITY PARAMETERS including environmental VARIANCE (S2i) Si, environmental coefficient of variation (CV ) , Wricke´s ecovalence (W2i) Wi , stability VARIANCE of Shukla (σ2i) regression coefficient (bi) , deviation from regression (S2di ), coefficient of determination (R2), intralocational VARIANCE (MSy/l) and simultaneous selection for grain yield and stability (YS) were estimated. Results of stability analysis showed that based on the most methods, lines C-80-14, C-80-19 and C-80-20 were determined more stable than the otherse considering the majority of the statistic parameters. However, based on simultaneous selection for yield and stability method genotypes C-80-4, C-80-6 and C-80-11 were identified as the superiors. Among these genotypes, C-80-4 and C-80-6 were further evaluated in on- farm and verification trials in farmers´ fields in different regions of cold zone which based on the results they produced higher yield than the commercial cultivars of the regions.

Cites

STUDY OF INTERACTION OF GENOTYPE * ENVIRONMENT AND STABILITY OF GRAIN YIELD IN BREAD WHEAT CULTRIVARS IN KURDESTAN PROVINCE

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APA: Copy

KEBRIAEI, A., YAZDAN SEPAS, A., KESHAVARZ, S., BIHAMTA, M.R., & NAJAFI MIRAK, T.. (2007). STABILITY OF GRAIN YIELD IN PROMISING WINTER AND FACULTATIVE WHEAT (TRITICUM AESTIVUM L.) LINES. IRANIAN JOURNAL OF CROP SCIENCES, 9(3 (35)), 225-236. SID. https://sid.ir/paper/57174/en

Vancouver: Copy

KEBRIAEI A., YAZDAN SEPAS A., KESHAVARZ S., BIHAMTA M.R., NAJAFI MIRAK T.. STABILITY OF GRAIN YIELD IN PROMISING WINTER AND FACULTATIVE WHEAT (TRITICUM AESTIVUM L.) LINES. IRANIAN JOURNAL OF CROP SCIENCES[Internet]. 2007;9(3 (35)):225-236. Available from: https://sid.ir/paper/57174/en

IEEE: Copy

A. KEBRIAEI, A. YAZDAN SEPAS, S. KESHAVARZ, M.R. BIHAMTA, and T. NAJAFI MIRAK, “STABILITY OF GRAIN YIELD IN PROMISING WINTER AND FACULTATIVE WHEAT (TRITICUM AESTIVUM L.) LINES,” IRANIAN JOURNAL OF CROP SCIENCES, vol. 9, no. 3 (35), pp. 225–236, 2007, [Online]. Available: https://sid.ir/paper/57174/en

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