Combined effects of enhanced ultraviolet-B radiation and doubled CO2 concentration on grow

Combined effects of enhanced ultraviolet-B radiation and doubled CO2 concentration on growth,fruit quality and yield of tomato in winter

plastic greenhouse

LI Fangmin;WANG Jun;CHEN Yuping;ZOU Zhirong;WANG Xunling;YUE Ming

【期刊名称】《中国高等学校学术文摘·生物学》 【年(卷),期】2007(002)004

【摘要】Five different doses of ultraviolet-B (UV-B)radiation were supplied to tomato (Lycopersicon esculeutum.in the winter plastic greenhouse.The influences on the seedling growth,fruit quality and yield of tomato were investigated.Results showed that the seedling growth,and the contents of UV absorbing compounds,soluble sugar,organic acid,vitamin C and lycopene of tomato fruits,and yield of tomato increased under doubled CO2 concentration.Under the doubled CO2 concentration the effects of lost doses of UV-B radiation could further promote the effects of doubled CO:concentration.However,there is no significant increase in yield of tomato.The best dose of UV-B radiation is about 1.163 kJ.m-2.When the dose of UV-B radiation is more than it,the effects of UV-B will be reduced. 【总页数】5页(414-418)

【关键词】UV-B,CO2,plastic greenhouse,tomato,fruit quality,yield of tomato

【作者】LI Fangmin;WANG Jun;CHEN Yuping;ZOU Zhirong;WANG Xunling;YUE Ming

【作者单位】School of Life Sciences,Northwest University,Xi'an 710069,China;College of Horticulture,Northwest Sci-Tech of Agriculture and

Forestry

University,Yangling

712100,China;School

of

Life of

Sciences,Northwest Horticulture,Northwest

University,Xi'an Sci-Tech

of

710069,China;College Agriculture

and

Forestry

University,Yangling 712100,China;School of Life Sciences,Northwest University,Xi'an

710069,China;School

of

Life

Sciences,Northwest

University,Xi'an 710069,China 【正文语种】中文 【中图分类】Q1 【相关文献】

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