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OLS Field Name OLS Field Data
Main Title Stress Interactions and Mycorrhizal Plant Response: Understanding Carbon Allocation Priorities.
Author Andersen, C. P. ; Rygiewicz, P. T. ;
CORP Author Corvallis Environmental Research Lab., OR.
Publisher c1991
Year Published 1991
Report Number EPA/600/J-92/033;
Stock Number PB92-144054
Additional Subjects Soil-water-plant relationships ; Plant physiology ; Land pollution ; Carbon cycle ; Stress ; Seedlings ; Environmental effects ; Acid rain ; Pollutants ; Root distribution ; Plant diseases ; Fungi ; Experimental design ; Nutrients ; Reprints ; Mycorrhizal plants
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NTIS  PB92-144054 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 08/28/1992
Collation 30p
Abstract The paper presents a framework for studying responses of mycorrhizal roots to external stresses, including possible feedback effects, which are likely to occur. A conceptual model is presented to discuss how carbon may be involved in singular and multiple stress interactions of mycorrhizal seedlings. Recent literature linking carbon allocation and host/fungal response under natural and anthropogenic stresses is reviewed. Due to its integral role in metabolic processes, characterizing carbon and carbon allocation in controlled laboratory environments could be useful for understanding host/fungal responses to a variety of natural and anthropogenic stresses. Carbon allocation at the whole plant level reflects an integrated response which links photosynthesis to growth and maintenance processes. A root-mycocosm system is described which permits spatial separation of a portion of extramatrical hyphae growing in association with seedling roots. The results are presented in a fashion to illustrate the nature of information which can be obtained using this system. Current projects using the mycocosms include characterizing the dynamics of carbon allocation under ozone stress, and following the fate of organic pollutants. The authors believe that the system could be used to differentiate fungal and host mediated responses to a large number of other stresses, and to study a variety of physiological processes in mycorrhizal plants.
Supplementary Notes Pub. in Environmental Pollution 73, p217-244 1991.
NTIS Title Notes Journal article.
Title Annotations Reprint: Stress Interactions and Mycorrhizal Plant Response: Understanding Carbon Allocation Priorities.
Category Codes 57C; 57K; 57H; 68
NTIS Prices PC A03/MF A01
Primary Description 600/02
Document Type NT
Cataloging Source NTIS/MT
Control Number 208728803
Origin NTIS
Type CAT