A RAPID FIELD METHOD FOR MEASURING PHOTOSYNTHESIS WITH LABELLED CARBON DIOXIDE

被引:192
作者
SHIMSHI, D
机构
[1] Division of Irrigation, The Volcani Institute of Agricultural Research
关键词
D O I
10.1093/jxb/20.2.381
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
A portable field apparatus for the measurement of photosynthesis is described. Short pulses (20 s) of air containing 14CO2 are applied to circular leaf areas of 1 cm2, enclosed in a transparent miniature chamber; the radioactivity of the leaf areas is measured by liquid scintillation, using a new in-vial wet combustion technique. Typical daily courses of photosynthesis in maize and cotton are presented. © 1969 Oxford University Press.
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页码:381 / &
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