Weed Calendar for the South

The differences in emergence characteristics of weed species are one of the reasons why weed management is such a difficult task. Knowing when weeds emerge can help improve weed management systems by increasing scouting efficiency and help determine optimum weed control tactic timing (seedbed prep, herbicide application, cultivation, etc). 

 

Weed emergence sequence of common troublesome annual weed species in the southern region. Click the season tab to indentify weeds

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Sources:

Aneson, N., Striegel, S. and Werle, R. Giant ragweed. Grow IWM. http://growiwm.org.

Bagavathiannan, M. and Maity, A. Italian Ryegrass. Grow IWM. http://growiwm.org.

Bond, J. and Eubank, T. 2012. Weed of the week: Texas millet. Mississippi Crop Situation. Mississippi State University Extension. http://mississippi-crops.com.

Bradley K. 2018. Morning glory management in soybean. Take Action Herbicide Resistance Management. Http://iwilltakeaction.com

Curran, W.S. and Klodd, A. 2014. Invasive pigweeds: Palmer amaranth and waterhemp. Penn State Extension. http://extension.psu.edu.

Duble, R.L. Goosegrass. Texas Cooperative Extension. http://aggie-horticulture.tamu.edu.

Eubank, T. and Bond, J. 2012. Weed of the week: broadleaf signalgrass. Mississippi Crop Situation. Mississippi State University Extension. http://mississippi-crops.com.

Green, J.D. 2018. Prickly sida (teaweed) management in soybeans. Take Action Herbicide Resistance Management. http://iwilltakeaction.com.

Pittman, K. Horseweed. Grow IWM. http://growiwm.org.

Sprague, C. 2020. Palmer amaranth management in soybeans. Take Action Herbicide Resistance Management. http://iwilltakeaction.com.

Steckel, L. 2019. Barnyardgrass management in soybeans. Take Action Herbicide Resistance Management. http://iwilltakeaction.com.

 

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