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Agricultural Science Digest, volume 21 issue 2 (june 2001) : 71 - 74

COMBINING ABIUTY FOR CHARACTERS aElATED TO EARLINESS IN CASTOR

H.J. Joshi-, D.R. Mehta-, B.S. Jadon

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

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Cite article:- Joshi- H.J., Mehta- D.R., Jadon B.S. (2024). COMBINING ABIUTY FOR CHARACTERS aElATED TO EARLINESS IN CASTOR. Agricultural Science Digest. 21(2): 71 - 74. doi: .

ABSTRACT

Combining ability analysis was undertaken using hne x tester mating design involving four females and 28 males under four environments for earliness and its related traits in castor. The analysis of variance indicated preponderance of non-additive type of gene action in the expression of all the four traits. Parents RCG 5, EC 103745, Bhagya for early flowering and maturity; JI 77, SH 16, Hazarl 1 for dwarf plant height and SH 21, SH 16, RCG 5 for lesser number of nodes upto main spike were best general combiners. The Cross SKP 93 x VI 9 for days to flowering and cays to maturity; VP 1 x SA 2 for plant height and SKP 93 x SKI 12 for number of nodes upto main spike was the best specific combinations to exploit non-fixilble components.

KEYWORDS

REFERENCES

Dangaria, C.J. et ai. (1987). J. OiJseeds Res. 4:46-53.
Kempthorne, O. (1957). An Introduction to Genetic Statistics. John Wiley & Sons. Inc., New York.
Mehta, D.R. et ai. (1991). G.A.u. Res. J. 17:23-26.
Patel, J.D. etai. (1984)./ndianJ. agric. Sci. 54:62.5-629.
Patel, v.J. etal. (1986). J. OilseedsRes. 3:178-183.
Pathak, H.C. and Dangaria, C.J. (1987)./ndianJ. agric. Sci. 57:13-16.
Pathak, H.C. et ai. (1986). Mac/ras agric. J. 73:323-333.

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COMBINING ABIUTY FOR CHARACTERS aElATED TO EARLINESS IN CASTOR

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