TY - BOOK AU - Goncalves Paulo de Souza AU - Paiva Joao Rodrigues AU - Rebello Antonio P TI - In vitro pollen germination of Hevea Camargoana PY - 1982/// PB - Pesquisa Agropecuaria Brasileira KW - Hevea brasiliensis KW - Pollen strength KW - Pollen viability KW - Rubber tree KW - Sugar medium concentration ER -