Heterosis Study for Seed Cotton Yield and its Related Attributes in Cotton (Gossypium hirsutum L.)

Author: Shivangi Vanapariya, G.O. Faldu, Rita R. Patel, V.B. Rana, Bhoomi R. Viradiya, Rinkal Goswami and Kruti Gorasiya

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Abstract

A line × tester crossing technique was undertaken for the identification of best heterotic crosses for seed cotton yield and its components traits in upland cotton (Gossypium hirsutum L.) using thirteen parents (3 lines and 10 testers) and their thirty resultant crosses along with a check GN. Cot. Hy-18 in a randomized block design with three replications during kharif 2020-21 at Main Cotton Research Station, Navsari Agricultural University, Surat. The highest heterobeltiosis and standard heterosis found in cross GSHV-01/1338 × ARBC-1351(81.45%) and GJHV-566 × GSHV-213 (51.16%) for seed cotton yield per plant respectively. Among the 30 hybrids, eight hybrids showed significantly positive heterobeltiosis and four hybrids showed significant positive heterosis over standard check GN. Cot. Hy. 18 for seed cotton yield per plant. Four crosses viz., GJHV-566 × GSHV-213, GSHV-01/1338 × ARBC-1351, GISV-323 × G. Cot-16 and GISV-323 × ARBC-1351 recorded positive and significant heterobeltiosis and standard heterosis for seed cotton yield per plant along with yields contributing characters like Plant height, bolls per plant, sympodia per plant, boll weight, ginning outturn and seed index. Therefore, such cross combinations may be recommended for commercial cultivation as hybrids or further production of more desirable recombinants and superior varieties.

Keywords

Cotton, Line × Tester, Heterosis, Heterobeltiosis, standard heterosis

Conclusion

The current analysis revealed significant amounts of both desired heterobeltiosis and standard heterosis for various traits. These imply the potential for cotton improvement through heterosis breeding. Top-ranking crosses based on per se performance and standard heterosis were nearly identical, although heterobeltiosis resulted in a slight difference. Since better parent heterosis is less reliable, ranking based on standard heterosis is more reliable.

References

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How to cite this article

Shivangi Vanapariya, G.O. Faldu, Rita. R. Patel, V.B. Rana, Bhoomi Viradiya, Rinkal Goswami and Kruti Gorasiya (2022). Heterosis Study for Seed Cotton Yield and its Related Attributes in Cotton (Gossypium hirsutum L.). Biological Forum – An International Journal, 14(4): 1141-1147.