... -1003Acre : Brasileia, Feijo, Sena Madureira, Tarauaca, XapuriRondonia – Ariquemes, Calama, Costa Marques, Jiparana, Ouro Preto, Pimenta Bueno, JaruMato Grosso: Aracotuba, Cartriquaca, Itauba, ... - rainfall pattern limited only to four months in a year- average annual rain fall of 7.5mm per day - average of 90 rainy days/ year.1 A mature rubber plantationAmazonian accessions of wild ... Heveagermplasm – A potential source of drought toleranceM. A. Mercy, D.B. Nair, Meena Singh, T. Meenakumari, C.P. Reghu and Kavitha K. MydinRubber Research Institute of India, Kottayam –...