摘要
在全省各地选出的国槐优良单株、优良类型及超级苗的基础上,调查选择优株,筛选出了21个系号,建立了3处区域对比试验林,进行造林试验测定。通过对树高、胸径等指标调查,选出了5个适宜不同区域、不同立地条件的国槐新品种。选出的优良品种,树皮较光滑,有浅纵裂,干形直立,中央领导干优势明显,分枝角度小,有明显的速生性、适生性和较高的观赏价值,适宜我省北方地区选择应用。
This study use good plant,Sophora japonica selected across the province of superior type,choose the excellent strains of investigation,we selected 21 clones,has set up 3regional comparative test forest,afforestation experiment,through the investigation on tree height,diameter at breast height and other indicators,combined with the site conditions in different regions,the excellent Sophora japonica varieties selected 5suitable for different regions,different site conditions.The selected varieties,more smooth bark,shallow crack,stem erect stem,the central leadership has obvious advantages,small branching angle,a fast-growing,obvious adaptability and high ornamental value,suitable for most areas of northern China,selection and application.
出处
《山东林业科技》
2016年第2期22-29,共8页
Journal of Shandong Forestry Science and Technology
基金
山东省农业良种工程"林木良种选育"(鲁科字[2013]207号)项目子课题
关键词
国槐
速生
新品种
选育
Sophora japonica
fast growing
new variety
breeding