Potted seadlings of Pinus koraiensis , Fraxinus mandshurica,Juglans mandshurica,Tilia amurensis, and Quercus mongolica ,which are five dominant species in the Korean pine broadleaf forest at Changbai mountain,were gro...Potted seadlings of Pinus koraiensis , Fraxinus mandshurica,Juglans mandshurica,Tilia amurensis, and Quercus mongolica ,which are five dominant species in the Korean pine broadleaf forest at Changbai mountain,were grown in different soil moistures.We designed three soil moisture scenarios:85%～100%(high water,CK),65%～85% (medium water,MW) and 45%～65% (low water,LW) of field water holding capacity.The results show that characteristics of typical drought resistance on the leaves are significantly developed.The net photosynthetic rate and water use efficiency of F. mandshurica were higher compared with CK at MW.The net photosynthetic rate and water use efficiency of other 4 tree species at CK were lower than those at MW and LW.The transpiration rate of 5 tree species responses differently to various soil water status.展开更多
基金国家自然科学基金项目(3127164131461143015+11 种基金31471438)江苏省农业三新工程项目(SXGC[2014]313)江苏高校优势学科建设工程资助项目(PAPD)江苏省普通高校研究生科研创新计划项目(KYZZ_0364)扬州大学高端人才支持计划项目(2015-01)资助supported by the National Natural Science Foundation of China(314611430153127164131471438)Jiangsu "Three-innovation" Agricultural Project(SXG2014313)the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD)Innovation Research Program for Graduate Students for Higher Education of Jiangsu Province(KYZZ_0364)and the Top Talent Supporting Program of Yangzhou University(2015-01)
文摘Potted seadlings of Pinus koraiensis , Fraxinus mandshurica,Juglans mandshurica,Tilia amurensis, and Quercus mongolica ,which are five dominant species in the Korean pine broadleaf forest at Changbai mountain,were grown in different soil moistures.We designed three soil moisture scenarios:85%～100%(high water,CK),65%～85% (medium water,MW) and 45%～65% (low water,LW) of field water holding capacity.The results show that characteristics of typical drought resistance on the leaves are significantly developed.The net photosynthetic rate and water use efficiency of F. mandshurica were higher compared with CK at MW.The net photosynthetic rate and water use efficiency of other 4 tree species at CK were lower than those at MW and LW.The transpiration rate of 5 tree species responses differently to various soil water status.
