Powdery Mildew (Erysiphe cruciferarum) Affects the Allelopathic and Competitive Abilities of Invasive Garlic Mustard (Alliaria petiolata)

Garlic mustard (Alliaria petiolata) has been previously found to be significantly affected negatively by powdery mildew (Erysiphe cruciferarum). While we could not significantly corroborate those findings we did find evidence that E. cruciferarum does inhibit A. petiolata’s allelopathic and competitive effects which benefits some target neighbor species such as Impatiens capensis and Elymus canadensis. We also found that the inhibition of A. petiolata by E. cruciferarum had negative consequences on another neighboring invasive species (Lonicera maackii) compared to those grown next to uninfected A. petiolata. Acer saccharum, a slow-growing species had no effect between neighbors. Sterilization treatments had variable effects on target plants, many of which mirror the effects which allelopathic plants (A. petiolata) that disrupt soil microbes seem to have. Sterilization inhibited growth of E. canadensis through the destruction of beneficial effects from microbes, while increasing the growth of L. maackii by inhibiting the pathogenic effects of microbes.

Name thesis:degree_name

Master of Science (MS)

Level thesis:degree_level

masters

Discipline thesis:degree_discipline

Biological Sciences

Grantor dc:publisher

Wright State University

Year dc:date

2012

Author dc:creator

• Officer, Andrew Russell

Contributors dc:contributor

• Cipollini, Don

• Biology
• Botany
• Conservation
• Ecology
• Environmental Management
• Forestry
• Plant Biology
• Plant Propagation
• Plant Pathology
• Plant Sciences
• Wildlife Conservation
• Invasive Species
• Garlic Mustard
• Alliaria petiolata
• Powdery Mildew
• Erysiphe cruciferarum
• Amur Honeysuckle
• Lonicera maackii
• Canada Wildrye
• Elymus canadensis
• Sugar Maple
• Acer saccharum

Statement dc:rights

• unrestricted
• This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws.

Language dc:language

English

Repository record dc:identifier

http://rave.ohiolink.edu/etdc/view?acc_num=wright1363272398

OAI identifier oai:identifier

oai:etd.ohiolink.edu:wright1363272398