NONDESTRUCTIVE METHODS FOR DEMONSTRATING CHEMICAL-CHANGES IN THE RHIZOSPHERE .1. DESCRIPTION OF METHODS

被引:15
作者
DINKELAKER, B [1 ]
HAHN, G [1 ]
ROMHELD, V [1 ]
WOLF, GA [1 ]
MARSCHNER, H [1 ]
机构
[1] UNIV GOTTINGEN, INST PLANT PATHOL, D-37077 GOTTINGEN, GERMANY
关键词
ACID PHOSPHATASE; ALUMINUM COMPLEXATION; ECTOENZYMES; IRON; MANGANESE; REDUCING PROCESSES; RHIZOSPHERE;
D O I
10.1007/BF00024985
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Non-destructive techniques for the demonstration of chemical changes in the rhizosphere of soil-grown plants are described. The following processes are demonstrated: FeIII reduction indicated by the formation of a red coloured complex between Fell and bathophenanthroline-disulfonate (BPDS) in an agar medium; MnIV reduction indicated by the decolourization of filter paper impregnated with Mn oxide; complexation of Al by the decolourization of polyacrylamide gel or agar containing Al and aluminon; and the activity of acid phosphatase indicated by the formation of a red complex on filter paper containing l-naphthyl phosphate as substrate and Fast Red TR as an indicator.
引用
收藏
页码:67 / 70
页数:4
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