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IDENTIACATION OF MAINTAINERS/RESTORERS TO THE KNOWN CM~ UNES IN SUNFLOWER (HELIANTHUS ANNUS L.)

V. Jayaiakshi, B. Narendra, S. Haritha

Affiliations

¹Sunflower Project Regional Agricultural Research Station, Nandyal- 518 503, India

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Cite article:- Jayaiakshi V., Narendra B., Haritha S. (2025). IDENTIACATION OF MAINTAINERS/RESTORERS TO THE KNOWN CM~ UNES IN SUNFLOWER (HELIANTHUS ANNUS L.). Agricultural Science Digest. 22(1): 69 - 70. doi: .

ABSTRACT

In order to study maintainer or restorer behaviour four superior inbreds viz., NDSI 1, NDSI 2, NDSI 5 and NDSI 1 were crossed with each of the five CMS lines CMS 234A, CMS 850A, CMS 7–1A, CMS 302A and CMS 852A in line x tester fashion during rabi 1998. An examination. of 20 crosses at the time of flowering and pollen shedding revealed that except NDSI 2 with CMS 302A, NDSI 1 and 5 with CMS 852A and NDSI-1 with CMS 1–1A all other inbreds acted as a maintainers for various CMS lines. The identified maintainers should be utilized in the development of new CMS lines through conversion for their future use in heterosis breeding programmes.

KEYWORDS

REFERENCES

Girriraj. K. (1998). In: Hybrid Sunflower Seed Production Technology. (Virupakshappa, K. et ai. OOs). Directorate of Oilseeds Research, Hyderabad, India Pp 10.
Kinman, M.L. (1970). In: Proc. 4th Int. Sunflower Con!. Memphis, TN. Int. Sunflower Assoc., Too Woomba, Australia, pp. 181-184.
Leclercq, P. (1969). Ann. Ame1oir, Pl., 19: 99-106.

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