速生杨树无性系丰产育苗技术研究

Study on High-Yield Seedling Cultivation Technique for Fast-Growing Pcplar Clone

将筛选出的JP15、JP13和JP7共3个杨树无性系进行育苗试验，结果看出：①3个杨树无性系其生长期均比对照长1～2个月；②扦插成活率除JP7较差外、JP15与JP13均高于对照，达95％以上；③在育苗密度上，以40cm×60cm为最好，不仅苗木整齐，且壮苗合格率达80％以上。在试验基础上，总结出一套杨树快繁技术措施。

Experiment on seedling cultivation of 3 selected poplar clones JP15,JP13 and JP7 resulted that growth Period of three clones was 1-2 month longer than the control; survival rate of cuttings of JP15 and JP13 was over 95%, higher than the control eccept JP17: the optimal edling density was 40cm×60cm.