|Table of Contents|

Study on Water Consumption Characteristics of Typical Economic Forest Tree Species in Beijing

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年19
Page:
60-66
Research Field:
Publishing date:

Info

Title:
Study on Water Consumption Characteristics of Typical Economic Forest Tree Species in Beijing
Author(s):
WANG Weina1; 2; 3; LI Shaoning2; 3; 4; LU Shaowei2; 3; 4; ZHAO Na2; 3; 4
(1.College of Landscape Architecture，Beijing University of Agriculture，Beijing 102206；2.Beijing Forestry and Fruit Science Research Institute，Beijing 100093；3.Beijing Collaborative Innovation Center for Ecological Environment Function Enhancement，Beijing 100093；4.Beijing Yanshan Forest Ecosystem Positioning Observation and Research Station，Beijing 100093)
Keywords:
economic forest; water consumption rate; leaf water potential
PACS:
-
DOI:
10.11937/bfyy.20184304
Abstract:
Based on the typical economic tree species of Beijing，Juglans regia，Amygdalus davidiana，Armeniaca sibirica，Crataegus pinnatifida and Ziziphus jujuba，the potted weighing method was used to analyze the water consumption rate，leaf water potential change law，plant water consumption rate and leaf water potential of five economic forest potted plants were correlated.The results showed that the daily variation of water consumption rate of Juglans regia and Armeniaca sibirica showed a bimodal curve，and the water consumption rate of mountain Amygdalus davidiana,Crataegus pinnatifida and Ziziphus jujuba showed a unimodal curve.The monthly variation of water consumption rate showed a single-peak curve，and its water consumption rate was low in May and October，and was high in July.The order was as follows,Armeniaca sibirica (0.034 5 g?cm-2?d-1)>Amygdalus davidiana (0.034 3 g?cm-2?d-1)>Crataegus pinnatifida (0.031 8 g?cm-2?d-1)>Ziziphus jujuba (0.028 0 g?cm-2?d-1)>Juglans regia (0.027 2 g?cm-2?d-1).The daily trend of economic forest leaf water potential was high in the morning and evening；the leaf water potential monthly change was high in May and October，and low in July，ranking was Juglans regia (-3.02 MPa)>Crataegus pinnatifida (-3.13 MPa)>Armeniaca sibirica (-3.17 MPa)>Ziziphus jujuba (-3.22 MPa)>Amygdalus davidiana (-3.34 MPa).There was a negative correlation between leaf water potential and water consumption rate in different economic forest trees (R2>0.72).

References:

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Last Update: 2019-10-09