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黑荆树(Acacia mearnsii De Wild),又名澳洲金合欢。树皮含单宁量42.8—49.63%,纯度81%以上,是当今世界上最优质的凝缩类烤胶原料;也是良好硬质材和薪炭材树种。我国自五十年代引种以来,南方各省栽培面积日益扩大,福建漳州地区、尤溪、长汀等县营造了大面积黑荆树人工林。但由于几种主要病害的危害,给黑荆树生产造成了很大的经济损失。我们从1983年起,应生产之急,开展了四种主
Acacia mearnsii De Wild, also known as Acacia. The bark contains 42.8-49.63% of tannin, with a purity of more than 81%. It is the best quality condensed roasted raw material in the world today. It is also a good hardwood and firewood tree species. Since the introduction of China in the 1950s, the cultivation area of the southern provinces has been expanding. Zhang County, Fujian Province, Youxi County and Changting County have created large-scale black wattle plantations. However, due to the harm of several major diseases, the production of black wattle has caused great economic losses. Since 1983, we have been in a hurry and have started four kinds of masters