不同杉木种源在贵州省适生栽培区高生长及稳定性分析

Analysis on The Growth of Height and Stability of Different Chinese Fir Provenance in Guizhou

杉木在我国有广泛的分市区。以北纬21°41′至北纬34°03′,东经101°45′至东经121°53′之间的广阔亚热带区域都有杉木的自然分布。由于长期的自然条件和漫长的自然选择影响,必然产生了对各种生态因子要求各异的群体,这些不同群体如在分布区内不同生态区进行交流,很有可能会产生各种各样的适应程度表现。 我国目前杉木引种已很普遍。选择生长量高且具有稳定增产效益的引种对象,已是人们日益关心的问题。本文对贵州省已有栽培的来自全国各地共64个种源在贵州省不同栽培地点稳定性进行分析,结合差异分析,为贵州省不同地区的杉木种子调拨区划提供数量化依据。

Chinese fir is wide range in China, which is maily distributed in the semitropics from north latitude 21°41' to 34?03' and east longitude 101°45' to 121°53'. As natural enviornment and affecting of natural selection, so the colonies were produced by different ecological enviornments. It is possible to produce different fitness when those colonies are exchanged in different ecologic area. Introdution and cultivation of Chinese fir are largely doing in the whole country. It is important that selected the introduced variety that the growth of hight and stability are well. This paper deals with analysis on stability of 64 Chinese fir provenance of the whole 'country that cultured in different lands of Guizhou. By the analysis of variance, it will provide quantity basis for allocating and division of Chinese fir seed in different area of Guizhou.