Study of Maternal Influence and Identification of Stable Donors for Grain Protein Content in Rice (Oryza sativa L.)
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Authors
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Ganesan
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S Geetha
Abstract
An experiment was conducted during Kharif 2021 at Paddy Breeding Station (PBS), Coimbatore, Regional Research Station (RRS), Paiyur and Tamil Nadu Rice Research Institute (TRRI), Aduthurai and during Kharif 2022 at Paddy Breeding Station (PBS), Coimbatore to identify the stable donors and to determine the existence of maternal influence for grain protein content. The genetic diversity studies with a panel of 169 rice genotypes which included landraces and cultivated varieties revealed the significant variations for grain protein content in rice. The genotypes IG74, Gandhasala, Ponkambi samba, Purple puttu and Burma kavuni were found to be promising and stable genotypes with higher grain protein content (>10 %) across three locations. The genotypes IG74 and Gandhasala were found to be the best parents for breeding programme to enhance grain protein content together with grain yield. The maternal influence on grain protein content was observed which indicated that high protein donors could be recommended to be used as female parents.
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