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华北落叶松为扦插难生根树种。1987年采用“双长臂自压式旋转扫描喷雾装置”后,在全光下进行嫩枝扦插育苗,成活率提高到96—100%。
Larix principis-rupprechtii is a hardwood-rooted tree species. After adopting “double long-arm self-pressurizing rotary scanning spray device” in 1987, the shoot cuttings were raised under full light, the survival rate increased to 96-100%.