TY - Bulletin of Botanical Research A1 - DU Qing-Xin, LIU Pan-Feng, WEI Yan-Xiu, QING Jun, DU Hong-Yan T1 - Comprehensive Evaluation of Eucommia ulmoides Male Flowers Quality by Principal Component and Cluster Analysis Y1 - 2016-11-15 JF - Bulletin of Botanical Research JO - Bulletin of Botanical Research SP - 846 EP - 852 VL - 36 IS - 6 UR - https://bbr.nefu.edu.cn N1 - 10.7525/j.issn.1673-5102.2016.06.007 ER -