Impact of Low Light Stress on Rice Yield and Productivity
Prajjal Dey*
Orissa University of Agriculture and Technology (OUAT), Bhubaneswar, Odisha (751 003), India
Selukash Parida
Orissa University of Agriculture and Technology (OUAT), Bhubaneswar, Odisha (751 003), India
Joy Kumar Dey
Institute of agriculture, Visva-Bharati, Sriniketan, West Bengal (731236), India
Darshan Panda
ICAR-National Rice Research Institute, Cuttack, Odisha (753 006), India
DOI: NIL
Keywords: Global warming, Low Yield, Productivity
Abstract
With the increase in global warming the occurrence of overcast, rainy sky and low light intensity has become a prevalent problem. It is now known that low light stress affects every aspect of vegetative growth (plant height, tiller number, root growth, stoma regulation and chlorophyll development), photosynthesis, dry matter accumulation and partition, and yield and quality of rice. The best approach to overcome this kind of problem is to bred for cultivars with low light intensity tolerance. Thus, it is imperative to understand the underlying mechanism for screening low light intensity tolerant cultivars.
Downloads
not found
Reference
Barmudoi, B., Bharali, B., 2016. Effects of light intensity and quality on physiological changes in winter rice (Oryza sativa L.). International Journal of Environmental & Agriculture Research 2, 65-76.
Murchie, E.H., Hubbart, S., Chen, Y.Z., Peng, S.B., Horton, P., 2005. Acclimation of photosynthesis to high irradiance in rice:gene expression and interactions with leaf development. Journal of Experimental Botany 56, 449-460.