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Title

GENETIC VARIATION AND PRINCIPAL COMPONENT ANALYSIS OF MORPHOLOGICAL AND PHENOLOGICAL TRAITS AND YIELD COMPONENTS OF BRASSICA NAPUS L. GENOTYPES

Writers

PEYDAYESH M. | MAMGHANI R.

Pages

 Start Page | End Page

Abstract

 IN ORDER TO STUDY THE GENETIC VARIATION AND ESSENTIAL COMPONENTS ANALYSIS OF MORPHOLOGICAL AND PHENOLOGICAL TRAITS AND YIELD COMPONENTS OF 20 GENOTYPES OF BRASSICA NAPUS. L., AN EXPERIMENT IN THE FORM OF RANDOMIZED COMPLETE BLOCK DESIGN WITH THREE REPLICATIONS WAS CARRIED OUT ON A FARM IN BEHBAHAN IN 2011-2012 AND 18 TRAITS WERE EXAMINED TO FIND OUT SUPERIOR GENOTYPES TO BE USED AS PARENTS IN BREEDING PROGRAMS. THE RESULTS OF ANALYSESE SHOWED THAT THE FIRST AND SECOND COMPONENTS WOULD JUSTIFY 55.91% OF TOTAL VARIANCE CHANGES. THE RESULTING DENDROGRAM FROM CLUSTER ANALYSIS REVEALED THREE GROUPS: THE FIRST GROUP INCLUDED 13 GENOTYPES, THE SECOND GROUP INCLUDED ONE GENOTYPE AND THE THIRD GROUP INCLUDED 6 GENOTYPES. THESE METHODS OF GROUPING GENOTYPES WERE COMPLETELY CONSISTENT WITH THE RESULTS OF COMPONENT ANALYSIS.

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