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Influence of Soil Moisture on Transpiration Water Consumption of Three Lianas

ZHANG Ying-hui~1,WANG Hua-tian~1,QI Li-yun~1,ZHAO Wen-fei~1,WANG ying~2 (1.College of Forestry,Shandong Agricultural University,Taian 271018,China;2.Forestry Academy of Taishan,Shandong Province,Tai'an 271000,China)  
The water consumption characteristics of three potted lianes,Hedera hepalensi,Euonymus fortunei and Euonymus fortunei.Minus under water stress condition,were studied during the growing season by the measurement of the diurnal change of their soil water potential,soil humidity,leaf water potential and transpiration.The result showed that Euonymus fortunei is a species of water potential which has the lowest soil humidity but the highest transpiration,Euongmus fortunei.Minus is a species of the lowest water consumption,the water consumption of Hedera hepalensis is between Euonymus fortunei and Euonymus fortunei.Minus.Correlation analysis showed that the three liana tree species' transpiration and stomotal conductance were correlated significantly,and relations between transpiration and soil water potential,soil humidity and leaf water potential were not significant.
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