TY - BOOK AU - Jacob J.[a] AU - Alam B. AU - Annamalainathan K. AU - Devakumar A.S. AU - Sathik M.B.M. AU - Thapliyal A.P. TI - Physiological constraints for cultivation of Hevea brasiliensis in certain unfavourable agroclimatic regions of India PY - 1999/// PB - Indian Journal of Natural Rubber Research KW - Agroclimate KW - Ecological sustainability KW - Environmental stress KW - Non traditional region KW - Oxidative stress KW - Photosynthesis KW - Stress tolerant clone ER -