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WSSA Undergraduate Research Award

The WSSA Undergraduate Research Award is now entering its 24rd year of operation and has proved to be an effective method of recruiting new students into the discipline of Weed Science.

New Studies Lift the Veil on Witchweed’s Spooky Powers

May hold the key to more effective control of one of the world’s most damaging parasitic plants

LAWRENCE,

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WSSA Infographics on Herbicide Resistance Management

The Weed Science Society of America has developed a set of infographics to educate the broader audience on the economic benefits of proactive resistance management. Return on investment for herbicide resistance best management practices have been developed for

Weeds: what we know and don’t know about them

We all think we know about weeds. We spray them to kill them and keep them out of our manicured lawns and garden beds. But did you know weeds are also an indicator of problems in your lawn?

Pigweed is the ‘satan’ of resistant weeds

There are many herbicide-resistant weeds — and then there is Palmer amaranth pigweed. As weed scientist Aaron Hager says, “Palmer is best described as Satan.” Able to spurt 8 inches

WSSA Herbicide Handbook

10th Edition

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WSSA is a non-profit professional society promoting research, education, and awareness of weeds in managed and natural ecosystems

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