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The Allelopathic Effect of Mustard on Fungi in Corn

CSEF · 2026 Plant Biology (Senior Division)

Isabella Bass

Overview

The increase in the population of the invasive, allelopathic plant species Brassica nigra could have a negative impact on native plant species by decreasing the amount of beneficial fungi, also known as arbuscular mycorrhizal fungi, in the roots of neighboring plants. In this experiment, I looked at the allelopathic effect of mustard on the amount of AMF in the roots of Zea mays, or corn, to see if mustard has a negative impact on native soil by growing corn and mustard and looking at the concentration of AMF in their roots. No statistical difference was found between the experimental and control groups, making mustard's possible negative effect on neighboring plants inconclusive.

Competition history

  • CSEF 2026 Plant Biology (Senior Division) · Entry S-18-14

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