Identification of restorers and maintainers from newly developed inbreds in sunflower
Dudhe M. Y.*, A. R. G. Ranganatha and A. Vishnuvardhan Reddy
ICAR-Indian Institute of Oilseeds Research (IIOR), Rajendranangar, Hyderabad 500 030, Telangana, India
*Email: [email protected]
Abstract
Twelve best inbreds for high seed yield and oil content were utilized in crossing with two CMS lines i.e. CMS234 A and ARM243A of Helianthus petiolaris Nutt. sp. petiolaris background. All the inbreds except DRSI-305 restored fertility in CMS 234A and all the inbreds except DRSI-100 and 305 restored fertility in ARM 243A. Partial restorer reaction was noticed for inbred DRSI-160 in both the CMS lines. In general, most of the inbreds tested behaved as restorers for both the CMS lines. Out of 12 inbreds, DRSI-1, 3, 9, 10, 133, 182 and 256 restored fertility in the two CMS lines and acted as common restorer. Only one inbred DRSI-305 acted as maintainer for CMS 234A while two inbreds DRSI-100 and 305 acted as maintainers, and maintained the sterility in the CMS lines. As the agromorphological performance of the new restorers identified in the present investigation is known, it will help in exploiting new CMS sources in hybrid development.
Keywords
Restorer, maintainer, sunflower, inbred
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How to cite this article
Dudhe MY, ARG Ranganatha and A Vishnuvardhan Reddy, 2019. Identification of restorers and maintainers from newly developed inbreds in sunflower. Bioscience Discovery, 10(1):21-24.
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