Molecular Cloning and Function Analysis of PtSIP3 Gene from Populus×euramericana cl.‘Zhonglin 46’Triploid POPIAR INTRODUCTION AND SELECTION IN THE COLD SEMIARID AREA OF THE NORTH CHINA RESEARCH ON THE ROOTING PROPERTIES OF THE NEW CLONES OF POPULUS EURAMERICANA THE EFFECT OF FERTILIZATION IN POPULUS EURAMERICANA CV. Ⅰ-214 FOREST LAND Selecting and Breeding of Transgenic Clones of Populus euramericana‘MR3’by Insertion of Multiple Genes Isolation and Expression Analysis of DNA Methyltransferase Fragments in Populus×euramericana THE SELECTION AND BREEDING NEW POPULUS EURAMERICANA CLONES-ZHONGBAO NO.28, ZHONGBAO NO.115, ZHONGBAO NO.95 Absorption and Distribution of PM2.5 NH4+ and NO3- in Populus euramericana Neva. Study on the influencing factors of callus inducement and plant regeneration of Populus euramericana in vitro The Input-Output and Financial Maturity for Poplar Plantations Characterization and Expression of PeMYBF1 Encoding a R2R3-MYB Transcription Factor from Populus euramericana