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Pawar, R. M.
- Genetic Divergence in Soybean [Glycine max (L.) Merrill]
Abstract Views :399 |
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Authors
Affiliations
1 Department of Agricultural Botany, College of Agriculture, Kolhapur, M.S., IN
2 Department of Agricultural Botany, Bharati Vidyapeeth's Loknete Mohanrao Kadam College of Agriculture, Kodegaon, Sangli, M.S., IN
1 Department of Agricultural Botany, College of Agriculture, Kolhapur, M.S., IN
2 Department of Agricultural Botany, Bharati Vidyapeeth's Loknete Mohanrao Kadam College of Agriculture, Kodegaon, Sangli, M.S., IN
Source
Asian Journal of Bio Science, Vol 8, No 2 (2013), Pagination: 225-228Abstract
The genetic distance for 40 genotypes of soybean collected from different soybean growing areas of India and abroad was estimated using D2 statistics. The results showed adequate genetic diversity for all the traits with D2 values ranging from 27.14 to 361.76. The results revealed that 40 genotypes were grouped into 12 clusters with substantial divergence between them. Cluster I was very large comprising 20 genotypes followed by cluster II and IV with five genotypes and cluster VI with two genotypes, while clusters III, V and VII to XII were solitary clusters. The maximum inter-cluster distance was obtained between cluster IV and VI (D = 19.02) followed by those between cluster IV and XI (D = 16.29) which may serve as potential parents for hybridization. The genetic divergence had little to do with the geographic factor as noticed by the random distribution of genotypes into various clusters. Number of pods/plant, plant height and seed yield/plant were the major characters contributing to the genetic divergence.Keywords
Genetic Divergence, Cluster Analysis, D2 Analysis, Glycine Max
References
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- Stability Analysis for Pod Yield and its Component Traits in Groundnut (Arachis hypogaea L.)
Abstract Views :286 |
PDF Views:4
Authors
Affiliations
1 Division of Agricultural Botany, College of Agriculture, Kolhapur (M.S.), IN
2 Department of Agricultural Botany, Bharati Vidyapeeth’s Loknete Mohanrao Kadam College of Agriculture, Kadegaon, Sangli (M.S.), IN
1 Division of Agricultural Botany, College of Agriculture, Kolhapur (M.S.), IN
2 Department of Agricultural Botany, Bharati Vidyapeeth’s Loknete Mohanrao Kadam College of Agriculture, Kadegaon, Sangli (M.S.), IN
Source
Asian Journal of Bio Science, Vol 12, No 1 (2017), Pagination: 15-20Abstract
Ten groundnut genotypes were evaluated to know the role of G x E interaction and also to study stability performance over three environments. Analysis of variance revealed highly significant differences among the genotypes for all the characters studied. Genotypes x environment interactions were significant for all the characters under study indicating influence of environmental conditions. Stability analysis showed that both linear and non-linear components of G x E interactions were highly significant for all the characters. Environment (E1) was observed to be most suitable for better expression of yield and its contributing characters. None of the genotype was found to be average stable for all the characters. Of all the genotypes, JL-24 and Phule Unnati for fresh pod yield/plant and TPG-41 and JL-24 for dry pod yield/plant exhibited average stabilityacross the environments.Keywords
Groundnut, Arachis hypogaea, G X E Interaction, Stability, Pod Yield.References
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- Patil, A.S., Nandanwar, H.R., Punewar, A.A. and Shah, K.P. (2014). Stability for yield and its component traits in groundnut (Arachis hypogaea L.). Internat. J. Bio-resource & Stress Mgmt., 5 (2): 240-245.
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- Genetic Diversity Studies in Whaet (Triticum aestivum L.) Based on Cluster Analysis
Abstract Views :237 |
PDF Views:4
Authors
Affiliations
1 Division of Agricultural Botany, College of Agriculture, Kolhapur (M.S.), IN
2 Department of Agricultural Botany, Bharati Vidyapeeth’s Loknete Mohanrao Kadam College of Agriculture, Kadegaon, Sangli (M.S.), IN
1 Division of Agricultural Botany, College of Agriculture, Kolhapur (M.S.), IN
2 Department of Agricultural Botany, Bharati Vidyapeeth’s Loknete Mohanrao Kadam College of Agriculture, Kadegaon, Sangli (M.S.), IN
Source
Asian Journal of Bio Science, Vol 12, No 1 (2017), Pagination: 32-35Abstract
The significant differences between 32 genotypes of wheat for all the characters were observed. Genotypes were grouped into six clusters with cluster I having maximum genotypes (18) followed by cluster III and clusters II, clusters IV and VI were monogenotypic. Maximum inter-cluster distance was recorded between cluster V and VI (860.24) and maximum intra-cluster distance was recorded in cluster III (130.18). Cluster III registered maximum cluster mean values for grain yield and important yield contributing characters like ear head length, spikelets per spike, tillers per running meter, grains per spike, 1000 grain weight, hectolitre weight and protein content. The highest contribution towards genetic diversity was contributed by plant height followed by protein content and 1000 grain weight. Therefore, for hybridization genotypes from cluster V and VI should be selected for obtaining desired recombinants in the segregating generations.Keywords
Genetic Diversity, Clusters, Soybean.References
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- Kumar, B., Dhananjay and Singh, B.N. (2014). Evaluation of genetic divergence in wheat (Triticum aestivum L.) germplasms. Bioscan, 9 (2): 755-758.
- Mahalanobis, P.C. (1936). On the generalised distance in statistics. Proc. National Instit. Sci., India, 2:49-55.
- Murthy, B.D. and Arunachalam, V. (1966). The nature of divergence in relation to breeding system in some crop plants. Indian J. Genet., 26 (A):188-198.
- Rao, C.R. (1952). Advanced statistical method in biometrical research, John Wiley and Sons, Inc. New York, pp. 357-363.
- Singh, B.B., Murthy, B.R. and Jain, P. (1971). Nature of divergence among some varieties of upland cotton. Indian J. Genet., 31 : 363-368.
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- Singh, S.P. and Dwivedi, V.K. (2002). Genetic divergence in wheat (Triticum aestivum L.). New Agriculturist, 13 (1-2): 5-7.
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- Zaman, M.R., Paul, D.N.R., Kabir, M.S., Mahbub, M.A.A. and Bhuiya, M.A.A. (2005). Assessment of character contribution to the divergence for some rice varieties. Asian J. Plant Sci., 4 (4): 388-391.