Please use this identifier to cite or link to this item: http://hdl.handle.net/10125/6989

Effects of soil disturbance on root colonization by arbuscular Mycorrhizal Fungi and growth of native and invasive plants

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Item Summary

Title:Effects of soil disturbance on root colonization by arbuscular Mycorrhizal Fungi and growth of native and invasive plants
Authors:Weisenberger, Lauren A.
Contributors:Daehler, Curt (advisor)
Botany (Ecology, Evolution, & Conservation Biology) (department)
Date Issued:May 2003
Publisher:University of Hawaii at Manoa
Abstract:Experiments were conducted to determine the effects of soil disturbance on arbuscular mycorrhizal fungi root colonization and the growth of invasive and native Hawaiian plants, predicting higher AMP dependency in native species than invaders, with consequent decreased root colonization and plant growth with disturbance. Six species were grouped into 3 pairs (1 native: 1 invasive) and plants were grown in disturbed and undisturbed treatments in the greenhouse and field for 4/6 weeks. Root colonization, root length, stem and seedling height, leaf number, shoot and root biomass, and mycorrhizal dependency (MD) were measured. Root colonization was not affected by disturbance. Disturbance hindered growth of Acacia confusa, Acacia koa, Eidens pilosa, and Eidens sandvicensis. Data from only 1 pair (Acacia sp.) showed native plant MD greater than invader MD. The relationship between soil disturbance, root colonization, and plant growth may be species specific, and no native or invasive species trends were detected.
Description:vii, 76 leaves
URI:http://hdl.handle.net/10125/6989
Rights:All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
https://scholarspace.manoa.hawaii.edu/handle/10125/1956
Appears in Collections: M.S. - Botany (Ecology, Evolution and Conservation Biology)


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