THE EFFECT OF NITRATE CONCENTRATIONS ON PHYSIOLOGY OF DIFFERENT LEAF AGE GROUPS

被引：1

作者：

Pilipovic, Andrej ^{[1
]}

Orlovic, Sasa ^{[1
]}

Katanic, Marina ^{[1
]}

Borisev, Milan ^{[2
]}

Nikolic, Natasa ^{[2
]}

机构：

[1] Univ Novi Sad, Inst Lowland Forestry & Environm, Novi Sad, Serbia

[2] Univ Novi Sad, Fac Sci, Novi Sad, Serbia

来源：

ENVIRONMENTAL, HEALTH AND HUMANITY ISSUES IN THE DOWN DANUBIAN REGION: MULTIDISCIPLINARY APPROACHES | 2009年

关键词：

REDUCTASE-ACTIVITY; POPLAR CLONES; NITROGEN; GROWTH; AVAILABILITY;

D O I：

10.1142/9789812834409_0013

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

The aim of this research was to investigate the effect of increased nitrate concenterations in modified Hoagland solution on physiology of different leaf age groups as one of parameters for selection of genotypes for nitrate phytoremediation. Poplar cuttings were taken from three following clones of genus Populus: (1) Populus x euramericana cl. Pannonia, (2) Populus deltoides cl. B-81 and (3) hybrid between P. nigra x maximowitzzi and P. nigra var. Italica cl. 9111/93. During the plant growth, besides the biomass production of plants and leaf area (LA), physiology of different leaf age groups (LPI) was investigated through measuring parameters related to nitrate assimilation such as nitrate reductase activity (NRA), nitrate accumulation in leaf age groups and total nitrogen content in leaves and roots. The results showed different reaction of poplar clones to the given nitrate concenterations, where clone B-81 (Populus deltoides) showed the best results and stability of the investigated parameters under different treatments, which indicates its ability for nitrate phytoremediation.

引用

页码：127 / +

页数：3

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