1. Ministry
of Agriculture Key Laboratory of Biology and Genetic Resources of
Rubber Tree, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou Hainan 571737, P. R. China
2. Ministry
of Agriculture Key Laboratory of Tropical Crop Biotechnology, Institute
of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou Hainan 571101, P. R. China