AN ESTIMATION OF ADAPTABILITY AND STABILITY OF GRAIN YIELD IN FOREIGN EARLY CORN HYBRIDS

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DEHGHANPOUR Z.; KARIMIZADEH R.A.; DEHGHANI HAMID; SABAGHNIA N.

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Journal: IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE) Year:2007 | Volume:38-1 | Issue:2 (AGRONOMY AND CROP BIOTECHNOLOGY) Page(s): 249-257

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Title

AN ESTIMATION OF ADAPTABILITY AND STABILITY OF GRAIN YIELD IN FOREIGN EARLY CORN HYBRIDS

Author(s)

DEHGHANPOUR Z. | KARIMIZADEH R.A. | DEHGHANI HAMID | SABAGHNIA N. | Issue Writer Certificate

Keywords

STABILITYQ2

PARAMETRIC METHODSQ2

CORNQ3

GE INTERACTIONQ2

Abstract

One of the complex problems, in improvement programs for, production of high yielding and adapted crop cultivars is Genotype x Environment (GE) interaction. To reduce the GE INTERACTION effects and to increase the accuracy of selection, yield and STABILITY of hybrids must simultaneously be taken into account. In this study, nine early maturity foreign CORN hybrids with KSC 301 were evaluated for two years in seven locations in Iran in a randomized complete block design with four replications. The objectives were to compute and compare different univariate PARAMETRIC METHODS and to determine the most stable hybrids. Results of environmental variance, coefficient of variation (CY), and Lin and Binns MSy/1 statistics introduced hybrids no. 7 and 3 as the most stable hybrids while the other PARAMETRIC METHODS namely Shukla's variance, Wricke's ecovalance, regression coefficient of Finlay and Wilkinson, statistic of Plaisted and Peterson presented hybrids no. 2 and 8 as the most stable ones. Kang's method, which i.e.a combination of Shukla and rank's nonparametric methods, introduced hybrids no. 2 and 8 the as the stable hybrids. Finally according to the results of different STABILITY methods, hybrid no. 8 (KE8212/12 x K1263/1) was introduced as the most stable genotype.

Cites

PHENOTYPIC PLASTICITY ANALYSIS OF PROMISING DURUM WHEAT GENOTYPES IN DRY AND WARM CLIMATE OF IRAN

References

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Cite

APA: Copy

DEHGHANPOUR, Z., KARIMIZADEH, R.A., DEHGHANI, HAMID, & SABAGHNIA, N.. (2007). AN ESTIMATION OF ADAPTABILITY AND STABILITY OF GRAIN YIELD IN FOREIGN EARLY CORN HYBRIDS. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), 38-1(2 (AGRONOMY AND CROP BIOTECHNOLOGY)), 249-257. SID. https://sid.ir/paper/8456/en

Vancouver: Copy

DEHGHANPOUR Z., KARIMIZADEH R.A., DEHGHANI HAMID, SABAGHNIA N.. AN ESTIMATION OF ADAPTABILITY AND STABILITY OF GRAIN YIELD IN FOREIGN EARLY CORN HYBRIDS. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE)[Internet]. 2007;38-1(2 (AGRONOMY AND CROP BIOTECHNOLOGY)):249-257. Available from: https://sid.ir/paper/8456/en

IEEE: Copy

Z. DEHGHANPOUR, R.A. KARIMIZADEH, HAMID DEHGHANI, and N. SABAGHNIA, “AN ESTIMATION OF ADAPTABILITY AND STABILITY OF GRAIN YIELD IN FOREIGN EARLY CORN HYBRIDS,” IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), vol. 38-1, no. 2 (AGRONOMY AND CROP BIOTECHNOLOGY), pp. 249–257, 2007, [Online]. Available: https://sid.ir/paper/8456/en

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