A Preliminary Study on the Bioecology of Tara

Tara,Caesalpinia spinosa, an important economic tree species,was first introduced into China in 1991 from South America.The studies of introduction were made in Kunming Jidong,Jinhong of Yunnan Province and Bukueng,Xingde of Sichuan Province from 1991~1995.In its suitable growing areas in Yunnan,the average temperature is 18.4~23.7℃annually, with a minimum of -3.5℃;the annual precipitation 805.1~1097.2 mm, the average relative humidity 69%~78% and the sunshine time 2108.0~2340.6 h.