HETEROSIS FOR ECONOMIC TRAITS IN EARLY, MID EARLY AND VERY EARLY RICE CULTIVARS FOR THE CAUVERY DELTA ZONE

C. Issac Sunil

Indian Journal of Agricultural Research

Chief EditorV. Geethalakshmi
Print ISSN 0367-8245
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Indian Journal of Agricultural Research, volume 41 issue 4 (december 2007) : 249 - 255

HETEROSIS FOR ECONOMIC TRAITS IN EARLY, MID EARLY AND VERY EARLY RICE CULTIVARS FOR THE CAUVERY DELTA ZONE

C. Issac Sunil

Affiliations

¹Department of Plant Breeding & Genetics Pandit Jawaharlal Nehru College of Agriculture and Research Institute, Karaikal - 609 602, India

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Cite article:- Sunil Issac C. (2025). HETEROSIS FOR ECONOMIC TRAITS IN EARLY, MID EARLY AND VERY EARLY RICE CULTIVARS FOR THE CAUVERY DELTA ZONE. Indian Journal of Agricultural Research. 41(4): 249 - 255. doi: .

ABSTRACT

Investigation was carried out for exploiting maximum hybrid vigour by combining earliness and yield potential in a single plant. The evaluation was based on the per se performance, sca and the standard heterosis. The hybrids AD 95134 x TRY 2 and BTCE 23/99 x ADT 43 were found suitable for simultaneous improvement of earliness and yield potential through heterosis breeding as these hybrids had desirable per se performance for grain yield per plant and biological yield per plant and earliness.

KEYWORDS

REFERENCES

Directorate Rice Research. (2003). Hybrid Rice in India: Present status and Future Prospects, Directorate of Rice Research, Hyderabad, India.
Elsy, C.R. (1997). Ph.D. Thesis. Tamil Nadu Agric. Universit, Coimbature, India.
Ganesan,K. et al. (1997) Madras Agric.J., 84(9): 566-568. Vol. 41, No. 4, 2007 255
Gong, G., Z. et al. (1993) Chinese J. Rice Sci, 7: 137 – 142.
Janardhanam, V. (2001) Madras Agric. J., 88(10-12):721-723.
Murthy, N. and Kulkarni R.S. (1996) Oryza, 33:153-156.
Nuruzzaman, M. (2002) Pak J of Biol Sci, 5(10):1006-1009.
Ramalingam, J., (1994). Indian J. Genet., 54(4): 371- 375.
Ramesha, M.S., et al. (19990 Indian J. Genet., 59(4): 411- 415.
Reddy, O.U.K., et al. (1996) In: Proceedings of the 3rd Int. Symposium on Hybrid rice, Hyderabad, India on November
14 – 16, 1996, P. 55.
Sathya,A., et al. (1999) Crop Res., 18(2): 243-246.
Singh, R. (2000) Ann. Agric. Res., 21(1): 79-83.
Singh, R. and Maurya D.M. (1997) Oryza, 34(3): 196-200.
Singh, S.K. (2002) Madras Agric. J., 89(1 – 3): 157 – 161.
Souframanien, J. et al. (1998) Oryza, 35(2): 120-123.
Virmani, S.S. et al. (1996) In: Hybrid Rice Technology Directorate of Rice Research, Hyderabad, India. pp: 27 – 50.
Vishwakarma, D.N. et al. (1998) Oryza, 36(4): 309-314.
Yolanda, J.L. and Das. L.D.V. (1995) Oryza, 32: 109-110

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[
directorate_2003] Directorate Rice Research. (2003). Hybrid Rice in India: Present status and Future Prospects, Directorate of Rice Research, Hyderabad, India.

[2] Elsy, C.R. (1997). Ph.D. Thesis. Tamil Nadu Agric. Universit, Coimbature, India.

[3] Ganesan,K. et al. (1997) Madras Agric.J., 84(9): 566-568. Vol. 41, No. 4, 2007 255

[4] Gong, G., Z. et al. (1993) Chinese J. Rice Sci, 7: 137 – 142.

[5] Janardhanam, V. (2001) Madras Agric. J., 88(10-12):721-723.

[6] Murthy, N. and Kulkarni R.S. (1996) Oryza, 33:153-156.

[7] Nuruzzaman, M. (2002) Pak J of Biol Sci, 5(10):1006-1009.

[8] Ramalingam, J., (1994). Indian J. Genet., 54(4): 371- 375.

[9] Ramesha, M.S., et al. (19990 Indian J. Genet., 59(4): 411- 415.

[10] Reddy, O.U.K., et al. (1996) In: Proceedings of the 3rd Int. Symposium on Hybrid rice, Hyderabad, India on November

[11] 14 – 16, 1996, P. 55.

[12] Sathya,A., et al. (1999) Crop Res., 18(2): 243-246.

[13] Singh, R. (2000) Ann. Agric. Res., 21(1): 79-83.

[14] Singh, R. and Maurya D.M. (1997) Oryza, 34(3): 196-200.

[15] Singh, S.K. (2002) Madras Agric. J., 89(1 – 3): 157 – 161.

[16] Souframanien, J. et al. (1998) Oryza, 35(2): 120-123.

[17] Virmani, S.S. et al. (1996) In: Hybrid Rice Technology Directorate of Rice Research, Hyderabad, India. pp: 27 – 50.

[18] Vishwakarma, D.N. et al. (1998) Oryza, 36(4): 309-314.

[19] Yolanda, J.L. and Das. L.D.V. (1995) Oryza, 32: 109-110

HETEROSIS FOR ECONOMIC TRAITS IN EARLY, MID EARLY AND VERY EARLY RICE CULTIVARS FOR THE CAUVERY DELTA ZONE

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