{"id":1347,"date":"2022-01-20T07:00:00","date_gmt":"2022-01-20T12:00:00","guid":{"rendered":"https:\/\/site.extension.uga.edu\/plowpoints\/?p=1347"},"modified":"2022-01-14T13:59:29","modified_gmt":"2022-01-14T18:59:29","slug":"weed-control-alternatives-for-field-corn","status":"publish","type":"post","link":"https:\/\/site.extension.uga.edu\/plowpoints\/2022\/01\/weed-control-alternatives-for-field-corn\/","title":{"rendered":"Weed Control Alternatives for Field Corn"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/site.extension.uga.edu\/plowpoints\/files\/2022\/01\/IMG_1708.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/site.extension.uga.edu\/plowpoints\/files\/2022\/01\/IMG_1708-1024x768.jpg\" alt=\"\" class=\"wp-image-1349\" width=\"548\" height=\"411\" srcset=\"https:\/\/site.extension.uga.edu\/plowpoints\/files\/2022\/01\/IMG_1708-1024x768.jpg 1024w, https:\/\/site.extension.uga.edu\/plowpoints\/files\/2022\/01\/IMG_1708-300x225.jpg 300w, https:\/\/site.extension.uga.edu\/plowpoints\/files\/2022\/01\/IMG_1708-768x576.jpg 768w, https:\/\/site.extension.uga.edu\/plowpoints\/files\/2022\/01\/IMG_1708-1536x1152.jpg 1536w, https:\/\/site.extension.uga.edu\/plowpoints\/files\/2022\/01\/IMG_1708.jpg 1600w\" sizes=\"auto, (max-width: 548px) 100vw, 548px\" \/><\/a><\/figure>\n\n\n\n<p>Extension Specialist <strong>Eric Prostko<\/strong> put out some comments on alternative weed control in corn for 2022. You can read his points here: <\/p>\n\n\n\n<p>I continue to hear much chatter about the shortages\/price increases for Roundup (glyphosate) and many other herbicides.&nbsp;&nbsp;Thus, I would like to remind you of some of the options available to field corn growers who are trying to be more judicious with their use of glyphosate and\/or get away from it completely.&nbsp; Please consider the following:<\/p>\n\n\n\n<p>1) Growers who are having trouble finding glyphosate and\/or don&#8217;t like the price, might have a better chance of getting it in a pre-mix formulation.&nbsp; The following are various glyphosate pre-mixtures for use on field corn:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEhWb8bWc35h8JYjKQX3e3mgeRKwosqpn0dr0XE5uMKanD8p2nBl5eERMpx0UGI4dxEQNKzf_Tlz0kPuvGA7Ojso90NMD_-63Z4RdcNpiE4lYDLzQq8sE4t9Y4zoG8LXDX9wkFS4nrg_nklVhphAPtiyh0T_ia8xAt2fw9sAzRxz0hhfpVAk55OcOkqN=s960\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEhWb8bWc35h8JYjKQX3e3mgeRKwosqpn0dr0XE5uMKanD8p2nBl5eERMpx0UGI4dxEQNKzf_Tlz0kPuvGA7Ojso90NMD_-63Z4RdcNpiE4lYDLzQq8sE4t9Y4zoG8LXDX9wkFS4nrg_nklVhphAPtiyh0T_ia8xAt2fw9sAzRxz0hhfpVAk55OcOkqN=w640-h480\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p><em>**Note: Enlist Duo can be applied preplant to any field corn hybrid but can only be applied postemergence on Enlist field corn hybrids.<\/em><\/p>\n\n\n\n<p>&nbsp;2)&nbsp; Roundup-Ready field corn was first commercialized in 1998.&nbsp; Prior to that time, field corn growers were managing weeds in-crop without glyphosate.&nbsp; It might not have always been easy or perfect but it was good enough to make top yields.&nbsp; Since that time, there have been other herbicides developed for use in field corn.&nbsp; The following table lists various field corn herbicides that have been tested by UGA and will provide very acceptable weed control when applied at the V3-V5 stage of growth (<em>still need to be tank-mixed with atrazine<\/em>):&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEgEkjf7ptx5Co5rzYBjKyUNzYDMAFJrvmiWNMyITm6l4tQrzc-uUjTJ9Ub5WH3_ELP7Vfx_jUEZ3CUOY_sSUpPaVSkNBSxGmBduGDHairyqYCUIeG2m-Pqj5KG9sDx7nFDcJ_oMAmpz-CFjQLNn5x16nRFc8pqALuOLdS79CMYRdqy9U9L2H4h3ZRDJ=s960\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEgEkjf7ptx5Co5rzYBjKyUNzYDMAFJrvmiWNMyITm6l4tQrzc-uUjTJ9Ub5WH3_ELP7Vfx_jUEZ3CUOY_sSUpPaVSkNBSxGmBduGDHairyqYCUIeG2m-Pqj5KG9sDx7nFDcJ_oMAmpz-CFjQLNn5x16nRFc8pqALuOLdS79CMYRdqy9U9L2H4h3ZRDJ=w640-h480\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>3) If a grower chooses to not use glyphosate, I would anticipate slightly less overall grass weed control.&nbsp; Thus, field corn growers should consider the use of the following herbicides for residual grass control in field corn: Anthem Maxx; Dual Magnum; Outlook; Prowl (<strong><em>POST only<\/em><\/strong>); Warrant; and Zidua.4) More specific information about the use of these herbicides can be found in the 2022 Georgia Pest Control Handbook &#8211; Special Bulletin 28 available on-line at the following address:<\/p>\n\n\n\n<p><a href=\"https:\/\/extension.uga.edu\/content\/dam\/extension\/programs-and-services\/integrated-pest-management\/documents\/handbooks\/2022-comm-chapters\/Corn.pdf\">https:\/\/extension.uga.edu\/content\/dam\/extension\/programs-and-services\/integrated-pest-management\/documents\/handbooks\/2022-comm-chapters\/Corn.pdf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Extension Specialist Eric Prostko put out some comments on alternative weed control in corn for 2022. You can read his points here: I continue to hear much chatter about the shortages\/price increases for Roundup (glyphosate) and many other herbicides.&nbsp;&nbsp;Thus, I would like to remind you of some of the options available to field corn growers [&hellip;]<\/p>\n","protected":false},"author":153,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44,51],"tags":[17,242],"class_list":["post-1347","post","type-post","status-publish","format-standard","hentry","category-corn","category-weed-control","tag-corn","tag-corn-weed-control"],"_links":{"self":[{"href":"https:\/\/site.extension.uga.edu\/plowpoints\/wp-json\/wp\/v2\/posts\/1347","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/site.extension.uga.edu\/plowpoints\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/site.extension.uga.edu\/plowpoints\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/plowpoints\/wp-json\/wp\/v2\/users\/153"}],"replies":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/plowpoints\/wp-json\/wp\/v2\/comments?post=1347"}],"version-history":[{"count":3,"href":"https:\/\/site.extension.uga.edu\/plowpoints\/wp-json\/wp\/v2\/posts\/1347\/revisions"}],"predecessor-version":[{"id":1351,"href":"https:\/\/site.extension.uga.edu\/plowpoints\/wp-json\/wp\/v2\/posts\/1347\/revisions\/1351"}],"wp:attachment":[{"href":"https:\/\/site.extension.uga.edu\/plowpoints\/wp-json\/wp\/v2\/media?parent=1347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/plowpoints\/wp-json\/wp\/v2\/categories?post=1347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/plowpoints\/wp-json\/wp\/v2\/tags?post=1347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}