Ecology, Environment and Conservation Paper

Vol.15, Issue 02, 2009; Page No.(295-298)

THE STUDY OF FACTOR ANALYSIS AND THE CORRELATION BETWEEN TRAITS FOR RAPESEED A AND SEED YIELD

Mehdi, Abtalii, Valiullah Rameeh, Esmaeil Yasari and Yahia Abtail

Abstract

Number of 25 lines and spring type genotypes of rapeseed cultivars were studied based on RCBD (Randomized Complete Block Design), in order to evaluate and determine the correlation between rapeseed traits and Factor analysis for yield components, seed yield and oil. The study was conducted during cropping season 2005-2006 at Baiecola Agricultural Research Station, of northern Iran. The results of analysis of variation showed that there were significant differences between genotypes for the studied traits. Plant height, total number of pods per plant and number of seeds per pods, amongst the studied traits, had positive and significant correlation with seed yield. Any change in these traits therefore, could cause significant effects on seed yield. Factor Analysis showed that number of days to maturity, plant height, number of days to end of flowering (among the main factors) with factor leadings 0.92, 0.94 and 0.66 respectively, played the most important role and therefore were recognized and entitled as the Morpho-Phenological factors. The studied also besides showed that among the yield components, number of pods per plant with factor leadings 0.74 played the most important role for seed yield as well.

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