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Powdery Mildew (Erysiphe Cruciferarum) Affects The Allelopathic And Competitive Abilities Of Invasive Garlic Mustard (Alliaria Petiolata), Andrew Russell Officer
Powdery Mildew (Erysiphe Cruciferarum) Affects The Allelopathic And Competitive Abilities Of Invasive Garlic Mustard (Alliaria Petiolata), Andrew Russell Officer
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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 …