GENETIC VARIABILITY STUDIES FOR YIELD, YIELD ATTRIBUTES AND RESISTANCE TO FOLIAR DISEASES IN GROUNDNUT (ARACHIS HYPOGAEA L.)

Article Id: ARCC215 | Page : 111-115
Citation :- GENETIC VARIABILITY STUDIES FOR YIELD, YIELD ATTRIBUTES AND RESISTANCE TO FOLIAR DISEASES IN GROUNDNUT (ARACHIS HYPOGAEA L.).Legume Research-An International Journal.2013.(36):111-115
K. Mohan Vishnuvardhan, R.P. Vasanthi and K. Hariprasad Reddy vasanthi.rrs@gmail.com
Address : Dept. of Genetics and Plant Breeding, Regional Agricultural Research Station, Tirupati-517 502, India

Abstract

Eight parents and their 28 cross combinations (crossed in an 8 × 8 diallel fashion without reciprocals) of groundnut were evaluated in randomized block design with three replications for variability, heritability and genetic advance during kharif, 2009. Observations on sixteen characters were recorded. Analysis of variance revealed highly significant differences among the genotypes for all the characters studied. High GCV accompanied by high heritability and high GAM were obtained for number of secondary branches per plant, percentage of leaves affected by foliar diseases per plant and number of immature pods per plant indicating predominant role of additive gene action and amenability for phenotypic selection in early generations. Rust severity, number of mature pods per plant and pod yield per plant recorded high GCV and moderate heritability and GAM. Moderate GCV, moderate to low heritability and GAM were registered for number of primary branches per plant, kernel weight per plant, shelling out-turn, late leaf spot and harvest index indicating that additive and non-additive gene actions have a role in their inheritance and phenotypic selection would be effective to some extent. Days to 50 per cent flowering, days to maturity, plant height at harvest and sound mature kernel percentage recorded low GCV, high to moderate heritability and low GAM indicating larger role of non-additive gene action and selection would be effective in later segregating generations.

Keywords

Genetic variability Heritability Genetic advance Groundnut.

References

  1. Allard, R.W. (1960). Principles of Plant Breeding. John Wiley and Sons, Inc., USA Wiley International Edition. Pp:85.
  2. Burton, G.W. (1952). Quantitative inheritance in grass. Sixth International Grassland Congress, 1: 227-283.
  3. FAO. (2009). Statistical data on crops, groundnut, area, production and productivity of India & World, 2009. http:// faostat.fao.org/site/567/default.aspx.#ancor.
  4. Kandaswamy, Y., Soundarapandian, G. and Kadamba Savanasundaram, M. (1986). Genetic variability and Genotype × Environment interaction in some quantitative characters of (Arachis hypogaea L.). Madras Agric. J., 73(6): 301-307.
  5. Korat, V.P., Pithia, M.S., Savaliya, J.J., Pansuriya, A.G. and Sodavadiya, P.R. (2009). Studies on genetic variability in different genotypes of groundnut (Arachis hypogaea L.). Legume Res., 32: 224-226.
  6. Mahalakshmi, P., Manivannan, N. and Muralidharan, V. (2005). Variability and correlation studies in groundnut (Arachis hypogaea L.). Legume Res., 28(3): 194-197.
  7. Panse, V.G. and Sukhatme, P.V. (1979). Statistical Methods for Agricultural Workers. ICAR Publication, New Delhi.
  8. Rudraswamy, P., Nehru, S.D., Kulkarni, R.S. and Manjunath, A. (1999). Estimation of genetic variability and inbreeding depression in six crosses of groundnut (Arachis hypogaea L.). Mysore J. Agric. Sci., 33: 248-252.
  9. Savaliya, J.J., Pansuriya, A.G., Sodavadiya, P.R. and Leva, R.L. (2009). Evaluation of inter and intraspecific hybrid derivatives of groundnut (Arachis hypogaea L.) for yield and its components. Legume Res., 32(2): 129-132.
  10. Shinde, P.P., Khanpara, M.D., Vachhani, J.H., Jivani, L.L. and Kachhadia, V.H. (2010). Genetic variability in Virginia bunch groundnut (Arachis hypogaea L.). Plant Archives, 10: 703-706.
  11. Subrahmanyam, P., McDonald, D., Gibbons, R.W., Nigam S.N. and Nevill, D.J. (1982). Resistance to rust and late leaf spot diseases in some genotypes of Arachis hypogaea. Peanut Sci., 9: 6-10.
  12. Subrahmanyam, P., McDonald, D., Waliyar, F., Raddy, L.J., Nigam, S.N., Gibbons, R.W., Rammanatha Rao, V., Singh, A.K., Pande, S., Reddy, P.M. and Subba Rao, P.V. (1995). Screening methods and sources of resistant to rust and late leaf spot of groundnut. ICRISAT Center, Patancheru, India.
  13. Subrahmanyam, P., Williams, J.H., McDonald, D and Gibbons, R.W. (1984). The Influence of foliar diseases and their control by selective fungicides on a range of Groundnut (Arachis hypogaea L.) genotypes. Ann. Appl. Biol., 104: 467-476.
  14. Verma, Y.P.A.K., Haider, Z.A and Mahto J.L. (2002). Variability studies in Spanish bunch groundnut (Arachis hypogaea L.). J. Res. Bisra Agric. Univ., 14(1): 91-93.

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