{"id":8609,"date":"2026-09-13T20:09:57","date_gmt":"2026-09-14T00:09:57","guid":{"rendered":"https:\/\/site.extension.uga.edu\/colquittag\/?p=8609"},"modified":"2026-09-13T20:10:29","modified_gmt":"2026-09-14T00:10:29","slug":"colquitt-county-row-crop-update-september-14-2026","status":"publish","type":"post","link":"https:\/\/site.extension.uga.edu\/colquittag\/2026\/09\/colquitt-county-row-crop-update-september-14-2026\/","title":{"rendered":"Colquitt County Row Crop Update September 14, 2026"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>In this issue:<\/strong>  <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Peanut maturity checks<\/li>\n\n\n\n<li> <strong>So, what about terminating insecticide applications for cotton jassid?<\/strong><\/li>\n\n\n\n<li><strong>Tips on wheat. <\/strong><\/li>\n\n\n\n<li>What else is going on?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Peanut maturity checks:<\/strong> This week I will be around the office to check peanuts everyday except Thursday.  Lets talk about what we have been seeing at the maturity checks over the past couple of weeks. Most of the samples (N=30) that have been coming in have been Georgia O6G (60%), Tifnv (33.3%), and Georgia 12Y (6.7%).<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-3.png\"><img loading=\"lazy\" decoding=\"async\" width=\"891\" height=\"670\" src=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-3.png\" alt=\"\" class=\"wp-image-8615\" srcset=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-3.png 891w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-3-300x226.png 300w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-3-768x578.png 768w\" sizes=\"auto, (max-width: 891px) 100vw, 891px\" \/><\/a><figcaption class=\"wp-element-caption\">Maturity Checks in Moultrie, Sept 2026<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The table below shows the average age to maturity of samples that have been coming into maturity checks at the Colquitt County Extension office.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"840\" height=\"222\" src=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-1.png\" alt=\"\" class=\"wp-image-8611\" srcset=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-1.png 840w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-1-300x79.png 300w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-1-768x203.png 768w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>So, what about terminating insecticide applications for cotton jassid?<\/strong> I had a few calls about this subject.&nbsp; According to Dr. Phillip Roberts, UGA Cotton Entomologist, <em>\u201cWe are still evaluating insecticide termination rules for cotton jassid. We know that excessive jassid injury significantly reduces the photosynthetic capacity of affected leaves and we must maintain functioning leaves to finish or mature bolls in the top of the plant. The difficult part is knowing when to stop or terminate insect controls. In 2025, we encouraged growers to protect cotton until we were 20 percent open. This was based on our observations that a heavily infested field could go from green to red in as little as two weeks. Fields which are 20 percent open are about 2 weeks from 60 percent open which is when you could defoliate. In 2025, we also learned that jassid damaged leaves could be defoliated if the damaged leaves were not desiccated. <strong>Based on our experiences in 2025 we are encouraging growers to protect cotton from jassids until the field is cutout (NAWF \u2264 3) and has some open bolls.<\/strong> We also assume you are well below the threshold of 1 jassid per leaf at the time you make the decision to terminate insecticides. If you exceed the threshold at cutout, a timely insecticide application is still needed. This guideline is basically the same as when you terminate irrigation or foliar disease control. \u201c<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">What about other insects?&nbsp; The decision to terminate insect controls can be challenging in some fields but a few basic considerations will assist in that decision. When evaluating a field a grower must first identify the last boll population which will significantly contribute to yield (bolls which you plan to harvest). In some situations the last population of bolls which you will harvest is easy to see (i.e. cotton which is loaded and cutout). In others, such as late planted cotton, the last population of bolls you will harvest will be determined by weather factors (the last bloom you expect to open and harvest based on heat unit accumulation). Once the last boll population is determined the boll development or approximate boll age should be estimated. Depending on the insect pest, bolls are relatively safe from attack at varying stages of boll development.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The table below list approximate boll age in days which bolls should be protected for selected insect pests. Cooler temperatures will slow plant development and subsequent boll age values may increase in such environments. It is assumed that the field is relatively insect pest free when the decision to terminate insecticide applications for a pest is made.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image.png\"><img loading=\"lazy\" decoding=\"async\" width=\"780\" height=\"298\" src=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image.png\" alt=\"\" class=\"wp-image-8610\" style=\"aspect-ratio:2.6218487394957983;width:624px;height:auto\" srcset=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image.png 780w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-300x115.png 300w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-768x293.png 768w\" sizes=\"auto, (max-width: 780px) 100vw, 780px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What about wheat?  <\/strong>It seems like some folks are interested in wheat production.  <strong>Planting Dates:&nbsp;<\/strong> According to the UGA Wheat Production Guide, the optimum window for wheat planting in Georgia is typically within one week before or <strong>after the average first frost date for a given area<\/strong>. Plant during your recommended planting period.  Varieties with long vernalization requirements should be planted in the first seven to ten days prior to the first frost day. Extremely early varieties with short vernalization requirements must be planted in the very last days of the recommended window. These varieties will suffer winter injury if planted too early as they would enter the jointing phase (Zadoks GS 32) prior to the time that sub-freezing temperatures generally do not occur. Planting during the appropriate time for your area will allow wheat to develop enough tillers prior to January or early February which reduces the likelihood of needing two applications of N fertilizer in the spring. Fall produced tillers will have&nbsp;stronger root systems, tolerate more stress, and produce larger heads with greater potential for high test weight. <strong>Studies show that fall tillers account for about 85% of the yield<\/strong>. If the crop is planted late and plants do not tiller well prior to the onset of winter days, then the crop will be dependent of spring tillers. Spring tillers generally have smaller heads, fewer spikelets and less opportunity to produce grain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Seeding rates:&nbsp;<\/strong> Some area growers establish wheat by broadcasting and incorporating&nbsp;with a disc or do all.&nbsp;In general, establishing wheat by using a drill increases yields by 7 to 8% when comparing to broadcasting. If using a grain drill, the seeding rate of wheat&nbsp;needs to be around&nbsp;22 to 25 seeds per row foot (7.5 inch drill width). This is equivalent to approximately 35-40 seeds per square foot. If you are planting&nbsp;during the late side of the planting window then bump up the seeding rate by 10 to 15 percent. Wheat emerges best when planted 1 to 1.5 inches deep. When broadcasting&nbsp;seed, calibrate the equipment to plant 40 seeds per square foot.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plant high yielding, pest resistant, well adapted varieties. Yield data for all the recommended varieties for Georgia are found in the current Georgia Wheat Production Guide or Georgia Small Grain Variety Performance Test Bulletin<br>(<a href=\"http:\/\/www.swvt.uga.edu\">www.swvt.uga.edu<\/a>).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What else is going on? <\/strong>Dr. Bob was in town last week to rate an on farm test evaluating various fungicide treatments on areolate mildew in cotton. The current weather pattern has be favorable for disease development.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-4.png\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-4-768x1024.png\" alt=\"\" class=\"wp-image-8616\" srcset=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-4-768x1024.png 768w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-4-225x300.png 225w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-4-1152x1536.png 1152w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-4.png 1440w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">We harvested a corn variety plot a couple of weeks ago.  Yield data will be available in the shortly. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-5.png\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-5-768x1024.png\" alt=\"\" class=\"wp-image-8617\" srcset=\"https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-5-768x1024.png 768w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-5-225x300.png 225w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-5-1152x1536.png 1152w, https:\/\/site.extension.uga.edu\/colquittag\/files\/2026\/09\/image-5.png 1440w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><figcaption class=\"wp-element-caption\">Corn plot harvest, Colquitt County September 2026<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Have a safe week and if you have questions please call the office,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jeremy M. Kichler<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Colquitt County Extension Coordinator<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The University of Georgia Cooperative Extension does not endorse or guarantee the performance of any products mentioned in this update.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this issue: Peanut maturity checks: This week I will be around the office to check peanuts everyday except Thursday. Lets talk about what we have been seeing at the maturity checks over the past couple of weeks. Most of the samples (N=30) that have been coming in have been Georgia O6G (60%), Tifnv (33.3%), [&hellip;]<\/p>\n","protected":false},"author":67,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,4,31,9,48,56],"tags":[],"class_list":["post-8609","post","type-post","status-publish","format-standard","hentry","category-corn","category-cotton","category-entolomogy","category-peanuts","category-pesticides","category-plant-pathology"],"_links":{"self":[{"href":"https:\/\/site.extension.uga.edu\/colquittag\/wp-json\/wp\/v2\/posts\/8609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/site.extension.uga.edu\/colquittag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/site.extension.uga.edu\/colquittag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/colquittag\/wp-json\/wp\/v2\/users\/67"}],"replies":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/colquittag\/wp-json\/wp\/v2\/comments?post=8609"}],"version-history":[{"count":5,"href":"https:\/\/site.extension.uga.edu\/colquittag\/wp-json\/wp\/v2\/posts\/8609\/revisions"}],"predecessor-version":[{"id":8620,"href":"https:\/\/site.extension.uga.edu\/colquittag\/wp-json\/wp\/v2\/posts\/8609\/revisions\/8620"}],"wp:attachment":[{"href":"https:\/\/site.extension.uga.edu\/colquittag\/wp-json\/wp\/v2\/media?parent=8609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/colquittag\/wp-json\/wp\/v2\/categories?post=8609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/colquittag\/wp-json\/wp\/v2\/tags?post=8609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}