沙棘根系的生物学特性与造林地选择

沙棘有很强的根蘖能力,其根系具有类似水生植物根系的解剖特征,地上部分又有旱生植物的特征,所以沙棘应属中生植物;沙棘根系有很强的生物学可塑性,对林地的水分状况会产生明显反应;在植株个体发育早期,多在生长较慢的侧根上形成具有多种功能的根瘤。沙棘造林,应充分考虑其根系生物学特性和解剖特征,根据经营目的选择相应的造林地或采取整地措施改地适树,满足其水分要求。

Biological Characteristic of Common Seabuckthom Root System and Selection of Its Planting Site

Common seabuckthorn has strong tillering capacity, its root system has the dissecting characteristic similar to the root of hydrophyte, while its above-ground part has the characteristic of xerophyte, so common seabuckthorn belongs to mesad. The root of common seabuckthorn with strong biological plasticity can reflect on soil moisture condition of the forestland. At early stage of the growth, root tubercles with multiple functions are formed on lateral roots which grow slowly. In the afforestation of common seabuckthorn, we should fully consider biological and dissecting characteristic of its root and select suitable planting site according to management aim or afforest by taking measures to reinforce the land in order to meet the demand of water.