Authors
G. Prabhakara Rao
Rubber Research Institute of India, Kottayam 686 009,, Kerala, India
K. Suma
Centre for Plantation Development, Department of Botany, University of Calicut, Calicut,, Kerala, India
J. Madhavan
Rubber Research Institute of India, Kottayam 686 009,, Kerala, India
Y. A. Varghese
Rubber Research Institute of India, Kottayam 686 009,, Kerala, India