干旱季节对橡胶树生长和定植是一个重要的限制因子。 橡胶树年周期生长变化,可分为生长期和相对休眠期,这是橡胶树对年周期的雨季和旱季相适应的具体表现。生长期与相对休眠期的长短,因生境、品系、气候条件不同而不同。在气候条件中旱季的长 Drought season is an important limiting factor for rubber tree growth and colonization. Rubber tree annual cycle of growth and change, can be divided into growing and relative dormancy, which is the rubber tree on the annual cycle of the rainy season and the dry season to adapt to the specific performance. Growth period and the relative duration of dormancy, due to habitat, strain, climatic conditions vary. The long dry season in climatic conditions