Variant biochemical responses: intrinsic and adaptive system for ecologically different rice varieties
- PDF / 1,524,481 Bytes
- 14 Pages / 595.276 x 790.866 pts Page_size
- 57 Downloads / 181 Views
ORIGINAL RESEARCH
Variant biochemical responses: intrinsic and adaptive system for ecologically different rice varieties Shamshad Ul Haq1 · Deepa Kumari1 · Prerna Dhingra1 · S. L. Kothari2 · Sumita Kachhwaha1 Accepted: 17 September 2020 © Korean Society of Crop Science (KSCS) 2020
Abstract India has a diverse range of agro-ecological conditions which support the cultivation of different rice varieties differing in the adaptation which is so important for sustainable development of rice crop. Specific 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 different 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 different Agro-ecological zones and basmati or non-basmati rice varieties. Amongst intrinsic biochemicals activity, the differential 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 differential biochemical responses (radical scavenging, SOD, CAT, and POX activities) observed creates a significant difference between rice varieties and provides valuable information about rice ecotype-biochemical interaction for sustainable adaptive value under different ecological conditions. Keywords Rice · Agro-ecological zone · Basmati or non-basmati · Antioxidant enzyme
Introduction India is known to have a diverse range of agro ecological zones for widespread rice cultivation and different types of ecosystems are available for rice farming within the country. Amongst different rice ecosystems, rainfed uplands occupy a major area (37%) followed by rainfed lowlands (34%), flood-prone (26%) and irrigated areas (24%) (Prasad et al. 2001). Rice cultivation in India also extends from 8º to 35º N latitude and from sea level to as high as 3000 m with different altitude and climate conditions (https://farme r.gov.in). Accordingly, five major regions are broadly classified within India that are North-Eastern, Eastern, Northern, Western, and Southern Regions which are categorized based * Sumita Kachhwaha [email protected] 1
Department of Botany, University of Rajasthan, Jaipur, Rajasthan 302004, India
Institute of Biotechnology, Amity University Rajasthan, Jaipur 302006, India
2
on agro-ecological zone and climatic conditions (Tripathi et al. 2011). Due to diverse ecological conditions, rice farming not only varies greatly on location to location within India b
Data Loading...
