G. R. Naik, Ravi Ranjan Kumar, Krishna Karajol and. 2011. “Effect of Polyethylene Glycol Induced Water Stress on Physiological and Biochemical Responses in Pigeonpea (Cajanus Cajan L. Millsp.)”. Recent Research in Science and Technology 3 (1). https://updatepublishing.com/journal/index.php/rrst/article/view/565.