volume 37 issue 2 (april 2014) : 117-125, Doi: 10.5958/j.0976-0571.37.2.018

STUDIES ON HETEROSIS AND INBREEDING DEPRESSION FOR YIELD AND PHSIOLOGICAL TRAITS IN GROUNDNUT (ARACHIS HYPOGAEA L.)

K

K. John*

P

P. Raghava Reddy

K

K. Hariprasad Reddy

P

P. Sudhakar

N

N.P. Eswar Reddy

Affiliations

¹Regional Agricultural Research Station, S.V. Agricultural College Campus, Tirupati-517 502, India

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doi 10.5958/j.0976-0571.37.2.018

Cite article:- John* K., Reddy Raghava P., Reddy Hariprasad K., Sudhakar P., Reddy Eswar N.P. (2025). STUDIES ON HETEROSIS AND INBREEDING DEPRESSION FOR YIELD AND PHSIOLOGICAL TRAITS IN GROUNDNUT (ARACHIS HYPOGAEA L.). Legume Research. 37(2): 117-125. doi: 10.5958/j.0976-0571.37.2.018.

ABSTRACT

Estimates of heterosis and inbreeding depression were obtained for 28 crosses. For pod yield per plant, the maximum better parent and mid parent heterosis was recorded in the cross TCGS-584×K-1375 closely followed by K-1375×TCGS-647 and ICGV-99029 x K-1375. Kernel yield per plant, the range of heterosis was observed -11.10% (TIR-25 x ICGV- 91114) to 57.61% (K-1375 x TCGS-647), -14.18% (TIR-25 x ICGV-91114) to 55.85% (K-1375 x TCGS-647) and -21.57% (TCGS-584 x TCGS-647) to 23.09% (TPT-4 x TIR-25) over mid parent, better parent and standard parent respectively. For the important of moisture stress tolerant characters viz., for specific leaf area, highest negative heterosis was recorded by TCGS-584 x JL-220 over mid parent (-23.12%), better parent (-25.14%) and standard parent (-34.95%). For leaf area index, TCGS 584 x JL-220 (-22.36%) over mid parent, TIR-25 x JL-220 (-33.81%) over better parent and ICGV-99029 x K-1375 (-24.14%) over standard parent for transpiration rate, ICGV-91114 x ICGV-99029 over mid parent (-26.33%) and better parent (-32.21%) and TPT-4 x TIR -25 over standard parent (-15.06%) hybrid showed desired significant heterosis. It was evident that ICGV-91114 x TCGS-584 for SPAD chlorophyll meter reading, TIR- 25 x TCGS-584 for photosynthetic rate, ICGV-91114 x ICGV-99209 for water use efficiency and TIR-25 x JL-220 for harvest index and as many as twenty two crosses for yield displayed higher levels of heterosis also had high inbreeding depression.

KEYWORDS

REFERENCES

Dwivedi, S. L., Nigam, S. N., Chandra, S. and Ramraj, V. M. (1998). Combining ability of biomass and harvest index under short and long-day conditions in groundnut. Ann.Appl.Biol., 133:237-244.
Isleib, T. G. and Wynne, J. C. (1983). Heterosis in test crosses of 27 exotic peanut cultivars. Crop Sci., 23:832-841.
Jayalakshmi V, Reddy C R, Reddy P V and Reddy G L K (2000) Character association among morphological attributes in parental genotypes and groundnut hybrids. Legume Res., 23:102-105.
Jayalakshmi, V. and Reddy, G. L. (2005). Heterosis and inbreeding depression for yield and physiological attributes in groundnut (Arachis hypogaea L). Indian J. Agric. Res., 39 :25-30.
Pallas, J. E. (1982). Photosynthetic traits of selected peanut genotypes. Peanut Sci., 9:14-17.
Parmar, D. L., Rathnakumar, L., Bharodia, P. S. and Dobaria, J. R. (2004). Genetic basis of heterosis in crosses involving adapted and exotic groundnut germplasm. Short Papers Presented at the National Symposium On “ Enhancing Productivity of Groundnut for Sustaining Food and Nutritional Security” 11-13 October-2004 at NRCG , Junagadh, pp. 15-16.
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., 33:248-250.
Varman, P. V. (2000). Combining ability estimates in groundnut (Arachis hypogaea L.). Madras Agric.J., 87:462-466.
Vasanthi, R. P. and Raja Reddy, C. (2002). Variability in F2 generation of five groundnut crosses involving foliar disease resistant genotypes. J.Res. ANGRAU. 30(2):137-142.
Venkateswarlu, O., Raja Reddy, K., Reddy, P. V., Vasanthi, R.P., Hariprasad Reddy, K. and Eswara Reddy, N.P. (2007). Heterosis for physiological and yield traits in groundnut (Arachis hypogaea L.). Legume Res., 30:250-255.

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STUDIES ON HETEROSIS AND INBREEDING DEPRESSION FOR YIELD AND PHSIOLOGICAL TRAITS IN GROUNDNUT (ARACHIS HYPOGAEA L.)

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