Variations of Phenological and Morphological Traits of Some Promising Durum Wheat Lines (Triticum turgidum L. var. durum)

Subject Areas : Journal of Crop Ecophysiology

S. Azarmgin ¹ (Former MSc. Student of Plant Breeding, Islamic Azad University, Tabriz Branch, Tabriz, Iran)
H. Kazemi Arbat ² (Prof., Department of Agronomy and Plant Breeding. Faculty of Agriculture, Islamic Azad University, Tabriz Branch, Tabriz, Iran)
H. Zeinali ³ (Assistant Prof., Isfahan Agricultural and Natural Research Center)

Received: 2009-12-29 Accepted : 2010-08-16 Published : 2010-05-22

Keywords: Cluster analysis, durum wheat, Phenotypic and genotypic coefficients, Variation,

Abstract :

This study was conducted to evaluate variations of phenological and morphological traits in some promising durum wheat lines. Nineteen lines were planted in a randomized complete block design with three replications in 2008. Analysis of variance showed significant differences for traits including days to 50% flowering, plant height, spike length, number of fertile and unfertile spike per m2, seed yield, 1000 grain weight, harvest index, spike diameter, awn length, flag and penultimate leaf area, number of spikelet per spike and number of seed per spike. Comparison of means showed that the lines number 17 and 11 had highest and lowest seed yield, respectively. The most phenotypic and genotypic variation coefficients belonged to seed yield. Lines based on cluster analysis, were classified into 3 groups. This study showed that 1000 grain weight, number of fertile and unfertile spike per m2, harvest index, awn length and seed yield maybe proper indices to select lines for highest seed yields.