Asian Journal of Bio Science

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Genetic Diversity Studies in Soybean [Glycine max (L.) Merrill] based on Morphological Characters


Affiliations
1 Centre for Plant Breeding and Genetics, Tamil Nadu Agricultural University, Coimbatore, (T.N.), India
2 Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore (T. N.), India
3 Centre for Plant Breeding and Genetics, Agricultural College and Research Institute, Madurai (T.N.), India
4 Department of Genetics and Plant Breeding, University of Agricultural Sciences, G.K.V.K., Bengaluru (Karnataka), India
5 Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore, (T.N.), India
     

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From the genetic diversity studies based on 12 morphological characters of 50 soybean genotypes it could be inferred that, the traits seeds per plant and seed yield per plant contributed maximum to the genetic diversity. The clustering pattern revealed that there was no correlation between the geographical diversity and genetic diversity. The clusters IX (JS 90-29 and IC18277) and X (IC93656) were the distant clusters and clusters III (IC 39873 and IC 93751) and VIII (IC 34057 and IC 18736) were the nearest clusters. The clusters IX and I possessed the high mean values for many of the traits studied. With respect to seed yield per plant the clusters IX, VI and I were the superior clusters. The entries viz., JS 90-29 and IC18277 of IX cluster and IC93656 of X cluster can be used in crossing programme for development of good recombinants for seed yield.

Keywords

Soybean, Diversity, Cluster, Dendrogram.
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  • Genetic Diversity Studies in Soybean [Glycine max (L.) Merrill] based on Morphological Characters

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Authors

T. V. Shadakshari
Centre for Plant Breeding and Genetics, Tamil Nadu Agricultural University, Coimbatore, (T.N.), India
T. Kalaimagal
Centre for Plant Breeding and Genetics, Tamil Nadu Agricultural University, Coimbatore, (T.N.), India
N. Senthil
Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore (T. N.), India
M. B. Boranayaka
Centre for Plant Breeding and Genetics, Agricultural College and Research Institute, Madurai (T.N.), India
R. Kambe Gowda
Department of Genetics and Plant Breeding, University of Agricultural Sciences, G.K.V.K., Bengaluru (Karnataka), India
G. Rajesha
Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore, (T.N.), India

Abstract


From the genetic diversity studies based on 12 morphological characters of 50 soybean genotypes it could be inferred that, the traits seeds per plant and seed yield per plant contributed maximum to the genetic diversity. The clustering pattern revealed that there was no correlation between the geographical diversity and genetic diversity. The clusters IX (JS 90-29 and IC18277) and X (IC93656) were the distant clusters and clusters III (IC 39873 and IC 93751) and VIII (IC 34057 and IC 18736) were the nearest clusters. The clusters IX and I possessed the high mean values for many of the traits studied. With respect to seed yield per plant the clusters IX, VI and I were the superior clusters. The entries viz., JS 90-29 and IC18277 of IX cluster and IC93656 of X cluster can be used in crossing programme for development of good recombinants for seed yield.

Keywords


Soybean, Diversity, Cluster, Dendrogram.