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Indian Journal of Agricultural Research, volume 36 issue 4 (december 2002) : 264 - 268

HETEROSIS FOR SEED YIELD AND ITS COMPONENTS, IN CASTOR HYBRIDS

H.J. Joshi·, D.R. Mehta·, B.S. Jadon

Affiliations

¹Gujarat Agricultural University, Sardar Krushinagar - 385 506, India

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Cite article:- Joshi· H.J., Mehta· D.R., Jadon B.S. (2024). HETEROSIS FOR SEED YIELD AND ITS COMPONENTS, IN CASTOR HYBRIDS. Indian Journal of Agricultural Research. 36(4): 264 - 268. doi: .

ABSTRACT

The heterosis over better parent (BP) and standard hybrid (SH) for seed vield per plant ranged from -67.78 to 87.89 per cent and -64.79 to 107.04 Per cent, respectively. The cross combinations SKP 93 x J 1 (87.89 and 107.04%), SKP 93 x 6-219-22 (84.82 and 88.35%) and VP 1 x HO (80.48 and 94.80%) exhibited significant and high positive heterosis over BP and SH for seed yield per plant. These crosses also had significant and positive heterosis for number of capsules plant, number of capsules per main spike and seed yield per main spike and therefore, more desirable for plant breeders to exploit for improving the seed yield of castor

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REFERENCES

Dangaria, C.J. et aJ. (1987). J. Oi/seeds Res., 4:46-53.
Fonseca, S. and Patterson, EL. (1968). Crop ScL, 8:85-86.
Graffius, J.E. (1959). AgronJ. 51:551-554.
Kaul, S.L. and Prasad, M.v.R. (1983). In: Procongress Scientific Meeting on Genetics and Improvement of Heterotic System. Coimbtore. India.
Mehta, D.R. eta/. (1991). GAU Res. J. 17: 16-22.
Patel, K.M. (1985). M.Sc. (Agri.) Thesis, Gujarat Agricultural University,Sardar Krushinagar.
Thakkar, DA (1987). M.Sc. (Agri.) Thesis, Gujarat AgricultJ.llal University, Sardar Krushinagar.

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HETEROSIS FOR SEED YIELD AND ITS COMPONENTS, IN CASTOR HYBRIDS

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