7Le R Y, Ehabe E,Sainte B J,et al.Seasonal and Clonal Variation in the Latex and Raw Rubber ofHevea Brasiliensis[J]. Journal of Rubber of Research,2003(3): 142.
8Ferreira M,Moreno R M B,Goncalves P de S,et al.Evaluation of Natural Rubber from Clones of Hevea Brasiliensis[J]. Rubber Chemistry and Technology, 2002(75):171-177.
9Moreno R M B,Ferreira M, Goncalves P de S,et al.Avaliacao do Latex eda Borracha Natural de Clones de Seringueira no Estado de Sao Paulo[J]. Pesquisa Agropecuana Brasileira,2003(38):583.
