植物研究2011，Vol.31Issue(4)：467-471,5.
不同纬度栓皮栎幼苗生理生态特征的比较
Comparison on the Physio-ecological Characteristics of Quercus variabilis Seedlings from Various Latitude Sites
摘要
Abstract
To detect the latitudinal variances in seedlings leaf characteristics and biomass allocation patterns, three natural distribution populations of Quercus variabilis were selected from the southern ( Anning county, Yunnan province, YN ) , central ( Hefeng county, Hubei province, HB ) and north boundary ( Zhuanghe county, Li-aoning province, LN). The leaf size, chlorophyll content, nitrogen content, light response parameters and the whole plant biomass allocation were measured. The results showed that: leaf length and width, the ratio of leaf length to width, and leaf area of relative high-latitude groups ( LN) were greater than these of low-latitude groups ( HB and YN). Leaf chlorophyll content and nitrogen content were found to increase with latitude. The high-latitude group (LN) had higher apparent quantum efficiency ( a) and dark respiration rate ( Rd) , while the low-latitude populations ( YN ) showed higher maximum photosynthetic rate ( Pmax) and lower light compensation point ( LCP). High-latitude group ( LN) invested more matter into the aboveground biomass than the HB and the YN groups, which put more photosynthetic production into the roots.关键词
栓皮栎；幼苗；纬度；叶性状；生物量分配Key words
Quercus variabilis/ seedlings/ latitude/ leaf characteristics/ biomass allocation分类
农业科技引用本文复制引用
刘建锋,肖文发,熊定鹏,雷静品,王鹏程..不同纬度栓皮栎幼苗生理生态特征的比较[J].植物研究,2011,31(4):467-471,5.基金项目
国家林业局林业公益性行业科研专项(200804001) （200804001）
