通过3年试验,利用全光喷雾扦插育苗技术和ABT生根粉促根处理,成功地解决了白榆嫩枝扦插生根和移栽成活问题,其扦插生根率达到95%以上,移栽成活率达到90%以上,当年生扦插移栽苗高度达1.0m以上,翌年6月达到2.0m的成苗标准,比播种育苗缩短1/3的育苗周期。 Through 3 years of experiment, the use of all-optical spray cutting seedling technology and ABT rooting powder to promote root processing, successfully solved the white elm rooting and transplanting survival of tender cuttings, cutting its rooting rate reached 95%, transplanted survival rate reached More than 90% of the annual transplanting transplanting seedling height of 1.0m or more, in June the following year reached 2.0m seedling standard, shorter than the sowing seedling breeding 1/3 cycle.