Distinctiveness, Uniformity and Stability of Quantitative Characters of Traditional Rice (Oryza sativa L.) Cultivars of West Bengal
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Authors
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Utsa Patra
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Gadge Sushant Sundarrao
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V Samara Simha Reddy
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Nipa Biswas
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Prof. Bidhan Roy
Abstract
The traditional cultivars need to be collected conserved and should be characterized to identify the desirable characters to be used in rice improvement. In this piece of study, 38 traditional rice varieties had been characterized based 18 quantitative traits following the guideline as outlined by PPV&FRA (2007) for rice. Quantitative characters showed high significant variations among the cultivars. The cultivars were classified into different categories for each quantitative character. Many cultivars were identified with desirable trait(s). KNS-2-D-3-1, KNS-2-D-5-1, KNS-2-D-11, KNS-2-D-5 and Kataribhog had high yield potential with many other advantageous traits. This study will be beneficial for breeders for selection of desirable cultivars for specific trait, researchers for conservation of different cultivars for further utilization in rice improvement and protection under Protection of Plant Varieties and Farmers Rights Act (2001) and for farmers to select the appropriate traditional cultivars that possess multiple desirable characters for cultivation. Based on this DUS characterization, 10 traditional cultivars, namely Biru, Lal Bhog, Desi Pizam, Dhariyal, Dungru, Gujri Nunia, Kaishali, Lal Khaiyam, Lal Manshra, Loha Swarna, Mala Sundari, Nageswari, Sugandhi Dhepi, Swet Nunia have been submitted to PPV&FRA for registration.
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