青杨伐根再生植株造林技术研究

Study of Forestation Technology with Stump Regeneration Plant of Populus cathayana Rehd.

为了节约造林成本,利用青杨伐根再生植树快速造林,设立田间对比试验,调查和研究了不同采伐时期、采伐高度、锯口保护、萌枝数量和药剂使用对伐根枝条生长量和虫害防治效果的影响。结果表明:冬季或春季采伐,沿地表下锯,用湿润土壤覆盖锯口,伐根萌枝后,每个伐根选留2个强壮枝条培养,旺盛生长期喷施敌敌畏防治蚜虫危害和加强肥水管理都有助于萌蘖植株生长和及早成林,建议在伐根再生植株造林过程中综合应用以上措施。

In order to save forestation cost and use stump regeneration plant of Populus cathayana Rehd to plant tree fleetly,the field comparative experiments were established to investigat and study different cutting period,cutting height,saw blade protection,shoots number and the effects of pharmaceutical use on growth of stump branch and pest control effect.The result showed that cut in spring or winter,cut along surface,covered saw blade with wet soil,selected two strong branches every stump to cultivate after stump sprouting,during vig-orous growth period sprayed dichlorvos to control aphids,and reinforced fertilizer and water management,above all measures was good at regeneration plant growth and early forestry,It is suggested that the above measures should be used synthetically in forestation process of stump regeneration plant.