{"id":1324,"date":"2022-03-07T09:49:09","date_gmt":"2022-03-07T14:49:09","guid":{"rendered":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/?p=1324"},"modified":"2022-12-22T10:46:54","modified_gmt":"2022-12-22T15:46:54","slug":"grass-herbicides-for-pre-plant-burndown","status":"publish","type":"post","link":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/2022\/03\/grass-herbicides-for-pre-plant-burndown\/","title":{"rendered":"Grass Herbicides for Pre-Plant Burndown???"},"content":{"rendered":"\n<p><strong>Grass Herbicides for Pre-Plant Burndown?? (Culpepper and Prostko)<\/strong><\/p>\n\n\n\n<p>Thinking about using a grass herbicide such as Select Max (clethodim) for pre-plant burndown? Have you seen any data suggesting this is a wise decision?<\/p>\n\n\n\n<p>Interestingly, there is a lot of buzz about using grass herbicides to burndown small grain cover crops and annual ryegrass because of the glyphosate price\/shortage issues.&nbsp; Most of the conversations also include tank-mixing the grass herbicide with either 2,4-D or dicamba and applying as a March\/April burndown.<\/p>\n\n\n\n<p>Prior to making the effort and spending a significant amount of money, it might be wise to review the grass herbicide label itself for the level of control the product potentially offers.&nbsp;&nbsp;Additionally, you may find value in the data we generated in 2021 (Figure 1). A couple of important clarification notes regarding this research are as follows:&nbsp;1) the application was made on February 28 (2021) when conditions were cooler; 2) we did not tank-mix with dicamba or 2,4-D, which could negatively influence grass control (<strong><em><u>i.e. antagonism<\/u><\/em><\/strong>); and 3) this is data from only one location.<\/p>\n\n\n\n<p>When considering your burndown treatment for 2022, a significant amount of research suggests that the value of glyphosate may be at its maximum for the pre-plant burndown application if grasses are present in the field. Thus, we would encourage staying with the burndown program that you know is successful if anyway feasible. Planting into weed-free fields, with the potential lack of some postemergence herbicides this year, will be extremely important.<\/p>\n\n\n\n<p>Once grassy weeds, as well as other broadleaf weeds are mature, Gramoxone (paraquat) + diuron + COC (cotton) or Gramoxone + Valor + 2,4-D amine + COC (peanut) are fantastic options (<em><u><strong>small grains must have seed heads<\/strong><\/u><\/em>). It appears, at least currently, that most of our winter weeds are maturing at a faster rate than in the past so these treatments may be very timely options.<\/p>\n\n\n\n<p>Tillage is also a very effective option as you well know, just be cognizant implementing steps to avoid soil erosion.<\/p>\n\n\n\n<p>Another possible negative.\u00a0 If Select Max is used prior to planting field corn, the plant-back restriction would be 30 days.\u00a0 The rate needed for burndown control (marginal) is much higher than the rate needed for volunteer corn control thus warrants a longer restriction.\u00a0<\/p>\n\n\n\n<p> \u00a0\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEjCAWNGZjWRUpv29x3NFmpUzsISbPXMdmQWoAdwLgO3Mfh4x9tdJTyr0m2z0fOK3wD2Vzs1F3OghbiTZ8j91GdGfyvvDtW1HIA8SqAbYMhOTGF4tDAdbn7gso6f6Yc4A2UlB4XJY-U5S41csKvt_sCUG3sOBF-5F5RQGRqYQqbqXekUbZlI-okwBZ46\" alt=\"\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Grass Herbicides for Pre-Plant Burndown?? (Culpepper and Prostko) Thinking about using a grass herbicide such as Select Max (clethodim) for pre-plant burndown? Have you seen any data suggesting this is a wise decision? Interestingly, there is a lot of buzz about using grass herbicides to burndown small grain cover crops and annual ryegrass because of [&hellip;]<\/p>\n","protected":false},"author":354,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1324","post","type-post","status-publish","format-standard","hentry","category-weed-science"],"_links":{"self":[{"href":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/wp-json\/wp\/v2\/posts\/1324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/wp-json\/wp\/v2\/users\/354"}],"replies":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/wp-json\/wp\/v2\/comments?post=1324"}],"version-history":[{"count":1,"href":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/wp-json\/wp\/v2\/posts\/1324\/revisions"}],"predecessor-version":[{"id":1326,"href":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/wp-json\/wp\/v2\/posts\/1324\/revisions\/1326"}],"wp:attachment":[{"href":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/wp-json\/wp\/v2\/media?parent=1324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/wp-json\/wp\/v2\/categories?post=1324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/wilcoxcoag\/wp-json\/wp\/v2\/tags?post=1324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}