Effects of Water Stress on Photosynthesis Characteristics of Cinnamomum camphora and Lindera megaphylla Seedlings
Based on 2-year-old Cinnamomum camphora and Lindera megaphylla seedlings,the photosynthetic indices of Cinnamomum camphora and Lindera megaphylla under different water treatments,were measured and then their photosynthetic physiology response mechanisms were analyzed.The results indicated that chlorophyll con-tent and photosynthesis rate aimed to both of Lindera megaphylla and Cinnamomum camphora increased at first,and then decreased under water logging and drought stress conditions.With the prolong of water stress′s time,transpira-tion rate dropped gradually,yet the conductivity was increasing gradually,and obviously increased in the later period of stress.Compared to Cinnamomum camphora,Lindera megaphylla was more sensitive to water stress,and tolerance was enhanced,showing more flooding and drought tolerance.
water logging stressdrought stressCinnamomum camphoraLindera megaphyllaphotosynthetic char-acteristics
国家科技期刊平台
NSTL
万方数据
维普
