EFFECT OF ACETYLENE ON ROOT RESPIRATION AND ACETYLENE REDUCING ACTIVITY IN NODULATED SOYA BEAN

被引:6
|
作者
GERBAUD, A [1 ]
机构
[1] CEA CADARACHE,SERV RADIOAGRON,AGROPHYSIOL & CONDIT CONTROLEES LAB,F-13115 ST PAUL DURANCE,FRANCE
关键词
D O I
10.1104/pp.93.3.1226
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Acetylene decreased root and nodule respiration, as measured by CO2 evolution of nodulated or non-nodulated Glycine max. An inhibition of 25 to 35% in 15 to 30 minutes occurred when 13% C2H2 was introduced in the gas flux which aerated the root nutrient solution. When the light intensity was doubled to 800 microeinsteins per square meter per second, the inhibition increased to 50% and nodule acetylene reduction activity was inhibited 50%.
引用
收藏
页码:1226 / 1229
页数:4
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