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CARBON ISOTOPE DISCRIMINATIONS STUDIES IN GROUNDNUT HYBRIDS

V. Jayalakshmi, P.V. Reddy, R.C. Nageswara Rao, G. Lakshmi Kantha Reddy

Affiliations

¹Regional Agricultural Resea~ch Station, Acharya N.G. Ranga Agricultural University, Nandyal- 518 503, India

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Cite article:- Jayalakshmi V., Reddy P.V., Rao Nageswara R.C., Reddy Kantha Lakshmi G. (2025). CARBON ISOTOPE DISCRIMINATIONS STUDIES IN GROUNDNUT HYBRIDS. Agricultural Science Digest. 22(1): 39· 41. doi: .

ABSTRACT

Carbon isotope discrimination (a trait correlated with water use efficiency) studies were made in 21 F 1 hybrids of groundnut. Lower values of Carbon isotope discrimination (Δ) were recorded in TMV2-NLM, ICG 2716, Tirupati 1 and ICGV 86031. As many as eleven hybrids with one of these as parents had lower Δ), values, the best being ICG 2716 x TMV2-NLM and Trirupati 1 x TMV2-NLM. ICG 2716 x TAG 24 exhibited significant negative heterosis over mid parent while TAG 24 x TMV2-NLM had significant positive heterosis over better parent.

KEYWORDS

REFERENCES

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