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MAINTAINER/RESTORER IDENTIFICATION FOR DIFFERENT CMS LINES IN SUNFLOWER (HELIANTHUS ANNUS L.)

V. Jayalakshmi, B. Narendra, S. Haritha

Affiliations

¹AlCRP on Oilseeds (Sunflower) Regional Agricultural Research Station, Nandyal-518 503, India

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Cite article:- Jayalakshmi V., Narendra B., Haritha S. (2025). MAINTAINER/RESTORER IDENTIFICATION FOR DIFFERENT CMS LINES IN SUNFLOWER (HELIANTHUS ANNUS L.). Agricultural Science Digest. 21(4): 269 - 270. doi: .

ABSTRACT

Five inbred lines viz., IB19, IB29, IB32, IB41 and IB49 were crossed with CMS 302A, CMS 234A, CMS 821A, CMS 850A and CMS 7–1A in a line x tester fashion to study their maintainer or restorer reaction. None of the inbreds could restore fertility in all the five CMS lines. IB29 and IB32 acted as restores for three CMS lines where as IB41 and 49 acted as maintainers for two CMS lines. The use of inbreds with restorer behaviour in future heterosis breeding programmes and those with maintainer behaviour in the development of new CMS lines through conversion has been suggested.

KEYWORDS

REFERENCES

Glriraj, K. (1998). In: Hybrid Sunflower Seed Production Techno/ogy. (Eels. Vlrupakshappa, K. et aI. Directorate of Oilseeds Research, Hyderabad, pplO.
Leclercq, P. (1969). Ann. Arne/oir. PI. 19: 99-106

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