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当前位置: 首页 > 文章 > 遮光处理对盆栽桂花幼苗生长、水分、光合作用及微环境的影响 北方园艺 2006 (2) 31-33
Position: Home > Articles > Influence of Shading Treatment on the Growth?Water Content Photosynthesis and Microenvironment of Osmanthus Fragrans Nursery Trees Northern Horticulture 2006 (2) 31-33

遮光处理对盆栽桂花幼苗生长、水分、光合作用及微环境的影响

作  者：
陈洪国;姜军权
单  位：
湖北省咸宁学院化生系
关键词：
丹桂;遮光处理;微环境
摘  要：
以丹桂幼苗为试材,探讨不同遮光处理对桂花幼苗生长、水分、光合作用以及微环境的影响。结果表明:绿纱单层网处理的幼苗生长量最大,秆径最粗;幼苗叶片组织水和自由水的含量,各类光合色素含量均为黑色>绿双>绿单>对照;单层绿纱网处理叶片的光合速率和蒸腾速率在遮光的条件下最高,而在自然光照下黑色遮阳网处理最高。随着各处理叶片的光照强度的减弱,幼苗周围空气温度和土壤温度降低,而CO2含量、空气中的温度以及土壤含水量升高。
译  名：
Influence of Shading Treatment on the Growth?Water Content Photosynthesis and Microenvironment of Osmanthus Fragrans Nursery Trees
作  者：
CHEN Hongguo,JIANG Junquan(Department of Chemistry and Life Science,Xianning College,Xianning 437000)
关键词：
O.fragrans cv.'dangui';treatment of shading;microenvironment
摘  要：
The O.fragrans cv.'dangui' nursery trees were used for studying the influence on the growth?water content?photosynthesis and microenvironment with different shading treatments.The results showed that the nursery trees treated with one layer green gauze had the highest shoot length and trunk diameter values.The content of tissue water?free water and all kinds of photosynthetic pigment appeared to be black gauze>two layer of green gauze>one layer of green gauze>CK;The Pn and transpiration rat of one layer green gauze treatment was the highest among all the treatments under shading condition,while the Pn and transpiration rat of black gauze treatment was the highest in natural lighting.The temperature of the air and the soil around the trees decreased with the intensity of illumination reduced,with the content of CO_2.?soil water and air humidity increasing at the same time.

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