不同种质沙棘在不同立地生长状况调查

沙棘是鄂尔多斯砒砂岩区广泛种植的灌木,其可持续发展与其种质资源密切相关。沙棘属有6个种9个亚种,其中6个种6个亚种分布在我国,其资源量占沙棘总资源量的90%以上。鄂尔多斯已成功引进其中的4种5亚种,以及多个俄罗斯沙棘优良类型。本文就这些不同种质资源在砒砂岩和沙地立地上的生长情况进行了调查分析。

Growth Investigation of Different Seabuckthorn Species and Subspecies in Sandy Soil and Arsenic Sand

Germ plasma resources conservation has been paid a more and more great attention in world wide in the 21th century.It is described in wide-ranging as ＂the management for human beings to utilize the whole biology resources,and to make it sever for the present with highest benefit and at same time to conserve its potential to meet the late generation need and desire＂.There are 6 species and 9 subspecies of seabuckthorn family,among which 6 species and 6 subspecies are distributed in China,which account about 90 % of seabuckthorn resources in the world,4 species and 5 subspecies among them,several Russia varieties as well as had been introduced in Jiu Chenggong breeding base in 1997,their growth investigation of different seabuckthorn species and subspecies in sites of sandy soil and arsenic sand had been done in this paper.