1 23 Indian Journal of Plant Physiology An International Journal of Plant Physiology ISSN 0019-5502 Volume 18 Number 3 Ind J Plant Physiol. (2013) 18:263-269 DOI 10.1007/s40502-013-0043-x Influence of aerobic condition on physiological traits and yield attributes of rice (Oryza sativa L.) genotypes under rainfed lowland ecosystem Santosh Kumar, S. K. Dwivedi, R. Elanchezhian, S. S. Singh, O. N. Singh, Ajay Arora & B. P. Bhatt