volume 33 issue 3 (september 2010) : 220-223
GENETIC DIVERGENCE IN FRENCH BEAN (PHASEOLUS VULGARIS L.) POLE TYPE CULTIVARSc
1Dr. Y S Parmar University of Horticulture and Forestry,
Nauni, Solan-173 230, India.
ABSTRACT
Thirty three genotypes of pole type french beans obtained from India and abroad were
evaluated during Kharif, 2006 in Solan, Himachal Pradesh with the objective to genetically
evaluate these genotypes for important horticultural traits and to workout the genetic divergence
in the genotypes for further breeding studies. Significant differences were observed for all the
characters studied. The material was subjected to genetic analysis and further, based on
Mahalanobis D2 statistics, genotypes were grouped into six clusters, majority of which were
accommodated in cluster I, followed by cluster VI. Maximum intra cluster distance was in
cluster V followed by cluster I and the inter cluster distance was observed maximum between
cluster IV and V followed by cluster I and VI. Cluster mean for different characters revealed that
cluster V was the best of all from snap bean point of view and should be exploited in breeding
programme. Further, hybridization between cluster IV and V could be utilized for getting the
superior recombinants or transgress segregants in segregating generations
evaluated during Kharif, 2006 in Solan, Himachal Pradesh with the objective to genetically
evaluate these genotypes for important horticultural traits and to workout the genetic divergence
in the genotypes for further breeding studies. Significant differences were observed for all the
characters studied. The material was subjected to genetic analysis and further, based on
Mahalanobis D2 statistics, genotypes were grouped into six clusters, majority of which were
accommodated in cluster I, followed by cluster VI. Maximum intra cluster distance was in
cluster V followed by cluster I and the inter cluster distance was observed maximum between
cluster IV and V followed by cluster I and VI. Cluster mean for different characters revealed that
cluster V was the best of all from snap bean point of view and should be exploited in breeding
programme. Further, hybridization between cluster IV and V could be utilized for getting the
superior recombinants or transgress segregants in segregating generations
REFERENCES
- Bhatt, G.M. (1970) Aust. J. Agri. Res. 21:127.
- George, K.C. (1976). Haryana J. Hort. Sci. 4(1&2): 49-56.
- Gomez, K.A. and Gomez, A.A. (1984) Statistical Procedures for Agricultural Research. 2nd ed. Wiley Interscience Pub. New York.
- Mahalanobis, P.C. (1936) Proc. Natl. Acad. Sci., India 2:49-55.
- Rao, C.R. (1952) Advanced Statistical Methods in Biometrical Research, John Willey and Sons Inc., New York, pp. 357-363.
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Copyright :
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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