Assessment of Physiological Traits for Adaptation to Flowering Stage Water Deficit in Rainfed Lowland Rice (Oryza sativa L.)

Prabhasmita Shatpathy; Arti; Surendra Pratap Singh; Sanat Kumar Dwibedi; Abhiram Dash

doi:https://doi.org/10.20546/ijcmas.2019.810.025

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Original Research Articles Volume : 8, Issue:10, October, 2019

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Int.J.Curr.Microbiol.App.Sci.2019.8(10): 245-255

DOI: https://doi.org/10.20546/ijcmas.2019.810.025

Assessment of Physiological Traits for Adaptation to Flowering Stage Water Deficit in Rainfed Lowland Rice (Oryza sativa L.)

Prabhasmita Shatpathy¹, Arti², Surendra Pratap Singh³, Sanat Kumar Dwibedi⁴* and Abhiram Dash⁵

¹Department of Plant Physiology, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha, India
²Department of Crop Physiology, Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad, India
³Department of Crop Physiology, Indian Institute of Sugarcane Research, Dilkusha Raibareilley Road, Lucknow, Uttar Pradesh, India
⁴Department of Agronomy, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha, India,
⁵Department of Agricultural Statistics, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha, India

^*Corresponding author

Abstract:

Responses of 4 cultivars of rice viz. NDR-8002, TCA-48, IR-42 and BPT 5204 to varying levels of moisture deficit stress at flowering stage were assessed in the plastic tubs for their relative tolerance to drought. Moisture deficit adversely affected the apparent translocation rate, relative leaf water content, total chlorophyll content and total soluble carbohydrate content, while proline accumulation enhanced irrespective of varieties. Grain yield decreased conspicuously in all the varieties in response to water stress. Amongst the rice varieties, NDR-8002 and TCA-48 were noted to be relatively more drought tolerant than other 2 cultivars on the basis of their yield performance. The flowering stage in rice was found to be very critical to moisture deficit stress.

Keywords: Rice, Flowering stage, Moisture deficit, Physiological and biochemical traits

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Prabhasmita Shatpathy, Arti, Surendra Pratap Singh, Sanat Kumar Dwibedi and Abhiram Dash 2019. Assessment of Physiological Traits for Adaptation to Flowering Stage Water Deficit in Rainfed Lowland Rice (Oryza sativa L.).Int.J.Curr.Microbiol.App.Sci. 8(10): 245-255. doi: https://doi.org/10.20546/ijcmas.2019.810.025

Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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Original Research Articles Volume : 8, Issue:10, October, 2019

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