ROLE OF VAM FUNGI IN NUTRIENT-UPTAKE AND GROWTH OF CLUSTERBEAN IN AN ARID SOIL

被引：14

作者：

RAO, AV

TARAFDAR, JC

机构：

[1] Division of Arable Cropping System, Central Arid Zone Research Institute, Jodhpur

来源：

ARID SOIL RESEARCH AND REHABILITATION | 1993年 / 7卷 / 03期

关键词：

ARID SOIL; CLUSTERBEAN; MYCORRHIZOSPHERE; NUTRIENT UPTAKE; PHOSPHATASES; VAM FUNGI;

D O I：

10.1080/15324989309381357

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A study was undertaken to determine the effect of VAM fungi on growth and nutrient uptake of clusterbean and to elucidate concurrent role of phosphatases in P uptake. Nodulation, N2-ase activity, percent root infection by VAM fungi, and the number of VAM spores in the rhizosphere increased significantly upon inoculation. There was no change in the activity of acid phosphatase in the mycorrhizosphere, while alkaline phosphatase activity was enhanced, indicating that the enzyme increased the availability of P by the breakdown of organic phosphates. An improvement in dry matter production and grain yield of clusterbean upon inoculation with VAM fungi was evident. Inoculation did not influence the uptake of K and Fe but the concentration of P, Zn, Cu, and Mn in the mycorrhizal plants was increased.

引用

页码：275 / 280

页数：6

共 26 条

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