蓝靛果忍冬原生环境人工栽培技术的研究

Study on Artificial Cultivation Techniques of Lonicera caerulea Linn.var.edulis Turcz.ex Herd.in Primary Environment

蓝靛果忍冬为落叶灌木,是又一新兴小浆果树种。我们在原生环境条件下研究不同覆盖度、栽植密度对蓝靛果忍冬幼树生长的影响。结果表明,随着覆盖度的增加,蓝靛果忍冬树高、冠幅、一年生枝的长度与粗度的生长也都逐渐降低,而根径、丛枝数变化不明显,说明蓝靛果忍冬幼树的生长需要充足的光照。随着人工造林密度的降低,蓝靛果忍冬树高、根径、南北冠幅、一年生枝的长度与粗度的生长也都逐渐增加,而东西冠幅变化不明显。这表明蓝靛果忍冬栽植密度在1.5m×3m、2m×2m或2m×3m为好。

Lonicera caerulea Linn.var.edulis Turcz.ex Herd.is a deciduous shrub and a new small berry tree species.We studied the effects of different canopy density and cultivation density on the growth of young L.caerulea var.Edulis trees in the primary environment.The results showed that with the increase of canopy density,the growth of height,crown width,annual branch length and coarseness of L.caerulea var.Edulis trees decreased gradually,but the change of basal diameter and number of branches was not obvious,this indicated that the growth of young L.caerulea var.Edulis trees needed sufficient light.With the decrease of afforestation density,the growth of height,basal diameter,North-South crown width,length and thickness of annual branches of L.caerulea var.Edulis increased gradually,but the change of East-West crown width was not obvious.The planting density of Lonicera caerulea var.Edulis should be 1.5m×3m,2m×2m or 2m×3m.