湖南优良乡土树种的引种栽培研究

Studies of Introduction and Cultivation of Superior Indigenous Tree Species in Hunan Province

在对湖南优良乡土树种原产地进行反复调查研究，进行多年引种栽培试验的基础上，提出优良乡土树种引种栽培方法、步骤以及技术要点．根据引种试验中各树种的生长情况以及注重树种的经济价值、观赏价值、生态效益的引种原则，筛选出了４０余种能适应本省不同立地条件的优良乡土树种，并进行中试或在生产中推广应用，结果表明，这些树种中，有的可作用材树种，有的可作经济林树种，有的可作园林和绿化树种．并提出了各树种的推广栽培范围．

The methods,procedures and technical keys for the introduction and cultivation of many superior indigenous tree species in Hunan Province have been presented on the basis of investigations into these tree species and of many years' experiments in introduction and cultivation. Considering the growth conditions of the investigated tree species,and in accordance with the introduction principle of economic value,ornamental value and ecological effect,we have selected more than forty superior indigenous tree species which suit the different site conditions in Hunan Province and have put them into midst experimenting and extending application. The results show that some of the superior species can be used as commercial tree species,others can be used as non-timber product tree species and the rest of them can be used as ornamental and greening tree species. The extension of cultivating and popularizing the selected superior tree species is also given.