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Importance of Morningglory Weed Identification

There are many different varieties of morningglory weeds in our fields here in South Georgia.  It is important that we identify them correctly to get the best chemical control.  The following is a write-up by Dr. Eric Prostko, UGA Extension Weed Scientist.

Why is this important? Not all morningglories are controlled equally by certain herbicides. Here are a few examples:

  • Gramoxone (paraquat) is generally good on most morningglory species but not smallflower. 

  • Basagran (bentazon) is generally not effective on most morningglory species but will control smallflower.

  • Staple (pyrithiobac) is generally considered to be an excellent morningglory herbicide but not on tall.

  • 2,4-DB is less effective on pitted morninglory than other species.

  • Aim (carfentrazone) is considered a good morningglory herbicide but not on smallflower.

 

 

Here are some photos of morninglory UGA Extension Weed Scientist Dr. Eric Prostko shared from LSU and Virginia Tech.

cypressvine-mg entireleaf-mg ivyleaf-mg

palmleaf-mg

pitted-mg purplemoonflower-mg red-mg smallflower-mg tall-mg