TY - BOOK AU - Licy J. AU - Meenakumari T. AU - Meenattoor J.R. AU - Nazeer M.A. AU - Premakumari D. AU - Saraswathyamma C.K. TI - Genetic parameters and heterosis in rubber (Hevea brasiliensis) Muell. Arg.: V. Hybrid vigour for yield and yield components among the RRII 400 series clones in small scale evaluation PY - 2003/// PB - Indian Journal of Natural Rubber Research KW - Clone evaluation KW - Hybrid clone KW - RRII 400 series KW - Standard heterosis ER -