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作 者:秦立者[1] 石海强[1] 杜纪壮[1] 徐国良[1] 尼群周[1] 俎文芳[1]
机构地区:[1]河北省农林科学院石家庄果树研究所,河北石家庄050061
出 处:《河北农业大学学报》2011年第4期60-62,86,共4页Journal of Hebei Agricultural University
基 金:国家科技支撑计划项目(2007BAD69B07)
摘 要:以4年生‘红富士’(中间砧为‘SH3’)为试材,利用AZ-D茎流系统监测生长期茎流数据、HOBO气象站同步监测气象因子数据,研究了其茎流变化规律及其与环境因子的关系。结果表明:生长期苹果茎流呈现出明显的日际、旬变化特征,2008、2009年旬茎流量最大值分别为50.84 kg和86.09 kg,整个生长周期中新梢二次生长期茎流量所占比重较大,分别占生长期的25.41%和34.11%。相关分析结果表明,茎流量与空气温度、地温、总辐射及光合有效辐射极显著正相关。4 year 'Red Fuji' apple trees was used to study the sap flow by AZ-D observation system,and meteorological factors data were monitored by HOBO weather station meteorology system simultaneously.The variations of sap flow and influence factors were analyzed.The results are as follows: The sap flow demonstrated daily and ten-day variations in growing season.The highest sap flows are 50.84 kg and 86.09 kg in a period of ten days in 2008 and 2009 respectively.A large part of the sap flow appeared in the second growing season of shoots and the proportion amounted to 25.41% and 34.11% respectively.There are significant positive correlations between sap flow rates with air temperature,ground temperature,the total radiation and photosynthetic active radiation.
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