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Shamshad Ul Haq,Deepa Kumari,Prerna Dhingra,S. L. Kothari,Sumita Kachhwaha 한국작물학회 2021 Journal of crop science and biotechnology Vol.24 No.3
India has a diverse range of agro-ecological conditions which support the cultivation of diferent rice varieties difering in the adaptation which is so important for sustainable development of rice crop. Specifc ecotypes of rice adapted to diverse conditions have divergence in their morphology, physiology, biochemistry, molecular function, agronomy, and stress response. In the present study, 12 diferent rice varieties viz., PB-1, PB-1509, Pusa-RH-10, CSR-30, HKR-47, PR-126, Govind, Sharbati, ADT-37, ADT-39, ADT-45, White Ponni, were selected for the study of intrinsic biochemical behaviour and these varieties belong to diferent Agro-ecological zones and basmati or non-basmati rice varieties. Amongst intrinsic biochemicals activity, the diferential response of radical scavenging, superoxide dismutase (SOD), catalase (CAT) and guaiacol peroxidase (POX) activities, were observed in the selected rice varieties at 14 days old seedling stage, developed under controlled growth conditions. Comparatively, North India region rice varieties displayed an enhanced intrinsic biochemical response than south India region rice varieties. Similarly, basmati rice varieties showed increased biochemical response compared to non-basmati rice varieties. Thus, the diferential biochemical responses (radical scavenging, SOD, CAT, and POX activities) observed creates a signifcant diference between rice varieties and provides valuable information about rice ecotype-biochemical interaction for sustainable adaptive value under diferent ecological conditions.