Elevated carbon dioxide and temperature imparted intrinsic drought tolerance in aerobic rice system through enhanced exopolysaccharide production and rhizospheric activation

• Published in: Agriculture, ecosystems & environment Vol. 268; pp. 52 - 60
• Main Authors: Padhy, S.R., Nayak, S., Dash, P.K., Das, M., Roy, K.S., Nayak, A.K., Neogi, S., Bhattacharyya, P.
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.12.2018; Elsevier BV
• Subjects: Aerobic rice; Agricultural production; Ambient temperature; Atmospheric models; Carbon dioxide; Carbon dioxide concentration; Catalase; Cellobiase; Climate change; Climate models; Colloids; Cultivars; Dehydrogenase; Drought; Drought resistance; Elevated CO2 and temperature; Enzymatic activity; Enzymes; Exopolysaccharide; Exopolysaccharides; Fluorescein; Fluorescein diacetate; Glucosidase; Grain; Health; Intergovernmental Panel on Climate Change; Labile carbon; Microorganisms; Moisture stress; Nutrients; Peroxidase; Plant enzymes; Plant stress; Pools; Prediction models; Rice; Saturated soils; Soil conditions; Soil moisture; Soil stresses; Soil water; Superoxide dismutase; Temperature; Temperature effects; Temperature tolerance; Water stress; Aerobic rice; Labile carbon; Plant enzymes; Exopolysaccharide; Elevated CO2 and temperature; Water stress

[Display omitted] •Elevated CO2T imparted intrinsic drought tolerance to tropical aerobic rice system.•Total soil EPS (29%), colloidal EPS (37%) significantly higher under e-CO2T.•Soil labile C and enzymes higher under elevated CO2T than ambient CO2 in aerobic rice.•Plant stress enzymes, catalase (2...