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当前位置: 首页 > 文章 > 不同基质含水量下盆栽番茄蒸腾量、鲜物质积累量及果实产量的差异 园艺学报 2010,37 (5) 805-810
Position: Home > Articles > Difference of Transpiration,Fresh Matter Accumulation and Fruit Yield for Potted Tomato Under Moisture Content of Medium Acta Horticulturae Sinica 2010,37 (5) 805-810

不同基质含水量下盆栽番茄蒸腾量、鲜物质积累量及果实产量的差异

作  者：
李霞;解迎革;薛绪掌;王国栋;李邵;陈菲
单  位：
国家农业信息化工程技术研究中心;西北农林科技大学理学院
关键词：
番茄;负水头灌溉;供水吸力;蒸腾;鲜物质积累;作物水分生产率
摘  要：
采用负水头灌溉装置,设置了10、30、50和70hPa不同供水吸力,研究其对温室盆栽番茄蒸腾量、鲜物质积累及相关生理指标的影响。结果表明:负水头盆栽装置实现了对基质含水量的精确控制,10、30、50和70hPa吸力处理下盆栽基质含水量分别稳定在88%、76%、63%和57%。在试验不同时期,盆栽番茄的日蒸腾量受基质含水量影响的表现不同;盆栽番茄的累积日蒸腾量最终表现为:10hPa处理>30hPa处理>70hPa处理>50hPa处理。基质水分处理引起盆栽番茄物质积累的差异非常显著,30hPa吸力下的鲜物质积累量最大,10和50hPa的次之,70hPa的最小。基质水分处理对盆栽番茄的产量、总蒸腾耗水量和作物水分生产率均有极显著影响。在30hPa供水吸力下的产量、鲜物质积累量最高,该供水吸力最有利于盆栽番茄生长。
译  名：
Difference of Transpiration,Fresh Matter Accumulation and Fruit Yield for Potted Tomato Under Moisture Content of Medium
作  者：
LI Xia1,2,XIE Ying-ge2,XUE Xu-zhang1,,WANG Guo-dong2,LI Shao1,3,and CHEN Fei1 (1National Engineering Research Center for Information Technology in Agriculture,Beijing 100097,China;2College of Science,Northwestern A & F University,Yangling,Shaanxi 712100,China;3Jiangsu Province Key Lab of Crop Genetics and Physiology,Yangzhou University Yangzhou,Jiangsu 225009,China)
关键词：
tomato;negative pressure irrigation;water supply tension; transpiration;fresh matter accumulation;crop water productivity
摘  要：
The effect of moisture content of medium on transpiration,fresh matter accumulation and related physiological indexes for potted tomato in greenhouse were studied through setting water supply tension at 10,30,50 and 70 hPa using negative pressure pot device.The results indicate:The moisture content of medium can be accurately controlled and maintained by the negative pressure pot device,moisture contents of medium are 88%,76%,63% and 57% at water supply tension 10,30,50 and 70 hPa correspondingly.In different experimental stages,influence of moisture content of medium on daily transpiration is different.Accumulative daily transpiration of potted tomato is as following:10 hPa treatment>30 hPa treatment>70 hPa treatment>50 hPa treatment.The effect of medium moisture content on fresh matter accumulation is the most significant at 30 hPa,followed by 10 and 50 hPa and the least is at 70 hPa.The effect of water supply tension on yield,water consumption and crop water productivity are extremely significant.30 hPa is the most favorable water supply tension for potted tomato in greenhouse because of the maximum yield and the fresh matter accumulation.

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