Event Title

P-10 Exploring Soil Texture Effects on Mustard Seed Meal Suppression of the Weed Velvetleaf

Presenter Information

DahEun Harning

Start Date

2-28-2020 2:30 PM

Description

The use of mustard seed meal (MSM) as a biofumigant in managing weeds in agricultural settings has been well documented. Previous work with MSM has shown that soils with higher sand content were better at weed suppression. It was hypothesized that the elevated sand content created more air space for the volatile inhibitory compounds to spread and work. Although initial results from bioassays systematically testing the comparison of 5 differing levels of sand showed support for this hypothesis, further testing with micron-sized glass beads showed that loss of airspace did not reduce the effectiveness of MSM in suppressing velvetleaf.

Acknowledgments

J.N. Andrews Honors Scholar

Mentor: Robert Zdor, Biology

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Feb 28th, 2:30 PM

P-10 Exploring Soil Texture Effects on Mustard Seed Meal Suppression of the Weed Velvetleaf

The use of mustard seed meal (MSM) as a biofumigant in managing weeds in agricultural settings has been well documented. Previous work with MSM has shown that soils with higher sand content were better at weed suppression. It was hypothesized that the elevated sand content created more air space for the volatile inhibitory compounds to spread and work. Although initial results from bioassays systematically testing the comparison of 5 differing levels of sand showed support for this hypothesis, further testing with micron-sized glass beads showed that loss of airspace did not reduce the effectiveness of MSM in suppressing velvetleaf.