Genetic diversity evaluation of different varieties of soybean (Glycine max L.) based on morphological traits

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Research Paper 01/11/2014
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Genetic diversity evaluation of different varieties of soybean (Glycine max L.) based on morphological traits

Noor Ahmad Salary Nooghab, Nadali Babaeian Jelodar, Nadali Bagheri
J. Bio. Env. Sci.5( 5), 221-228, November 2014.
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Abstract

Present of enough genetic diversity increases efficiency of selection in breeding programs. In order to study of genetic diversity for yield and its components, number of 14 soybean Genotypes and a local check variety (JK) were planted in a randomized complete block design with three replications in 2013. Different traits such as plant height (cm), height of the first secondary stem (cm), number of secondary stems, number of pods in secondary stems, number of pods in main stem, number of grain per plant, 100-grain weight (gr), pod length (cm), yield per plant (gr) and yield (kg/ha) were investigated. Results of analysis of variance showed significant difference for the traits except number of secondary stems. The highest CV was for yield per plant, number of pod in secondary stems, height of the first secondary stem and 100-grain weight which are respectively 29.64, 28.99, 27.45 and 26.79. The lowest CV was for number of secondary stems and plant height that are respectively 14.37, 14.78 and 15.46. Emperor and Kao-hsiung-10 genotypes had the highest (5113 kg/ha) and lowest (2060 kg/ha) yield, respectively. The cluster analysis of soybean genotypes has been divided into five groups based on morphologic traits including seeds weight per plant (gr), pods length (cm), weight of 100 seeds (gr) and yield (kg/ha).

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