ESTIMATION OF GENETIC PARAMETERS OF EFFECTIVE AGRONOMICAL TRAITS ON YIELD IN SOME OF IRANIAN RICE CULTIVAR

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BEIKZADEH H.; ALAVI SINEY S.M.; BAYAT M.; EZADY A.A.

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Journal: Applied Agricultural Research Year:2015 | Volume:28 | Issue:106 Page(s): 73-78

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Information Journal Paper

Title

ESTIMATION OF GENETIC PARAMETERS OF EFFECTIVE AGRONOMICAL TRAITS ON YIELD IN SOME OF IRANIAN RICE CULTIVAR

Author(s)

BEIKZADEH H. | ALAVI SINEY S.M. | BAYAT M. | EZADY A.A. | Issue Writer Certificate

Keywords

PATH ANALYSISQ2

RICEQ2

THOUSAND GRAIN WEIGHTQ2

YIELDQ2

Abstract

To investigate the YIELD and correlation between agronomic traits and YIELD, seven RICE cultivars (Fajr, Sahel, Cadoos, Shafagh, Nemat, Neda and Domsiah) were studied using RCBD design with 4 replications at Sangdivar village, Kalat Nader (2010-2011). Based on ANOVA, significant differences were observed among the studied genotypes. Also it was observed that the number of fertile tiller, plant height, number of seeds per panicle and weight of 1000 grains had significant and positive phenotypic and genotypic correlation with grain YIELD, while other traits had no significant phenotypic and genotypic correlation with YIELD. According to compare mean and correlations matrix, and due to higher number of fertile tiller, plant height, number of seeds per panicle and weight of 1000 grains, Fajr and Nemat cultivars had better YIELD than those in other cultivars. As well, PATH ANALYSIS verified positive and direct effects of 1000 grains weight and plant height on YIELD. So selection of superior genotype concerning YIELD can be indirectly performed through mentioned traits.

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