{"id":851,"date":"2020-04-08T12:15:15","date_gmt":"2020-04-08T16:15:15","guid":{"rendered":"https:\/\/site.extension.uga.edu\/tiftcoag\/?p=851"},"modified":"2020-04-08T12:26:34","modified_gmt":"2020-04-08T16:26:34","slug":"cotton-planting-recommendations","status":"publish","type":"post","link":"https:\/\/site.extension.uga.edu\/tiftcoag\/2020\/04\/cotton-planting-recommendations\/","title":{"rendered":"Cotton Planting Recommendations"},"content":{"rendered":"\n<p><strong>Seedling Disease<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Steps to prepare for seedling disease<ul><li>First step: Where possible, plant a high-quality seed with a strong, documented, germination rate. <ul><li>It is difficult, if not impossible to recover when a poor quality seed is planted. <\/li><\/ul><\/li><li>Second step: Plant under conditions that result in rapid, uniform germination and vigorous growth. <ul><li>Cool, and wet soils, or planting just ahead of cold rain, can slow germination and plant growth. <\/li><li>This gives the fungal pathogens, \u201cthe bad guys\u201d, the chances to play catch-up with the cotton seeds and seedlings, infect and then damage them.<\/li><\/ul><\/li><li>Third step: Ensure that the seeds are well-protected with a fungicide seed treatment.<ul><li>All commercial seed will come pre-treated with a \u201cbase\u201d fungicide package. <\/li><li>The base package varies among different seed companies but is always composed of a mix of three-to-four fungicides that have proven efficacy against common pathogens like Rhizoctonia, Pythium, and Fusarium. <\/li><li>From Bob Kemerait&#8217;s recent studies, about four-out-of-five years, the use of the \u201cbase\u201d fungicide treatment alone results in stands and yields similar to where additional fungicide seed-treatments or in-furrow fungicides are applied. However, investment in extra \u201cinsurance\u201d with additional seed treatments or in-furrow fungicides may be beneficial. <\/li><li>You are most likely to observe a benefit from \u201cextra\u201d treatments where the risk of seeding disease is elevated, such as when planting into cool and wet soils or conservation tillage. <\/li><li>Additional seed protection may also be beneficial when planting at reduced seeding rates or where seed-quality is thought to be an issue.<\/li><\/ul><\/li><\/ul><\/li><li>Protecting seeds and seedlings from death and loss of vigor is an important task for growers. <\/li><li>You can use additional seed-treatments or in-furrow<br>applications to compliment the performance of base seed-treatments and to further protect against seedling diseases. <\/li><li>\u201cExtra\u201d fungicide seed-treatments are more convenient to use.<\/li><li>In-furrow fungicides may be more effective as they can be used to treat the seed and the soil surrounding the seed as well.<\/li><\/ul>\n\n\n\n<p><strong>Nematodes<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>You can minimize damage from southern root-knot nematodes by<ul><li>planting a root-knot nematode variety. <\/li><li>fumigating with Telone II<\/li><li>using Velum Total (14-18 fl oz\/A) or AgLogic 15G (6-7 lb\/A) in-furrow at planting<\/li><li>using one of several seed treatment nematicides. <\/li><li>You can apply Vydate C-LV or Return XL at the 5th-to-7th true-leaf stage to compliment the earlier nematicide treatments. <\/li><\/ul><\/li><li>There are currently no commercial varieties with resistance to the reniform, Columbia lance, or sting nematodes.<\/li><li>It is important to use nematicides to protect your crop.<\/li><\/ul>\n\n\n\n<p><strong>Thrips<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li> A preventive insecticide should be used at planting for thrips control. UGA<\/li><li>Positive yield responses are consistently observed in UGA research when an at-plant insecticide is used for thrips control.<\/li><li>At-plant insecticide options include: <ul><li>in-furrow granule applications of aldicarb<\/li><li>in-furrow liquid applications of imidacloprid or acephate<\/li><li>commercial seed treatments of imidacloprid, thiamethoxam, and acephate. <\/li><li>Imidacloprid seed treatment is the most common at-plant insecticide used. <\/li><li>In-furrow applications of aldicarb, imidacloprid, and acephate tend to provide greater residual control of thrips compared with the commercial seed treatments.<\/li><\/ul><\/li><li>We encourage you to take advantage of the Thrips Infestation Predictor for Cotton. <ul><li>This web-based tool will predict thrips risk by planting date by geographic location and can be found at <a href=\"https:\/\/climate.ncsu.edu\/CottonTIP.\">https:\/\/climate.ncsu.edu\/CottonTIP.<\/a><\/li><\/ul><\/li><li>Thrips infestations are significantly lower in reduced tillage systems compared with conventional tillage. In general, the more cover on the soil surface the greater the reduction in thrips.<\/li><li>Seedlings are most sensitive to yield loss during early developmental stages. <\/li><li>1-2 leaf cotton is at greater risk to yield loss from excessive thrips injury compared with 3-4 leaf cotton. <\/li><li>Once cotton reaches the 4-leaf stage and is growing rapidly, thrips are rarely an economic pest.<\/li><li>A rapidly growing seedling can better tolerate thrips feeding. Conversely, seedlings that are growing slowly from cool temperatures or some other stress are more susceptible to thrips.<\/li><li>Scout for thrips and thrips injury early. Use thresholds and only make foliar applications when necessary.<ul><li> Optimal timing for supplemental insecticide applications (when needed) is the 1-leaf stage.<\/li><\/ul><\/li><\/ul>\n\n\n\n<p><strong>Silverleaf Whitefly (SLWF)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Our mild winter is setting us up for a lot of whitefly activity this year so start preparing now.<\/li><li>Variety Selection: <ul><li>hairy leaf cotton is preferred by SLWF compared with smooth leaf cotton. <\/li><li>There is a direct correlation of SLWF infestations in cotton based on the degree of leaf hairiness. (I know because I pulled the leaves and counted the dang things)<\/li><li>Risk of SLWF is greatest on hairy varieties &gt; light hairy &gt; semi-smooth &gt; smooth varieties. <\/li><li>Smooth leaf varieties are the least preferred by SLWF. <\/li><li>Plant Smooth Leaf Varieties if possible<\/li><\/ul><\/li><li>Planting Date: <ul><li>The risk of SLWF problems increases as planting dates are delayed. <\/li><li>SLWF completes a generation in about 2 weeks during summer months and populations can increase rapidly. <\/li><li>The impact of SLWF on yield is dependent on the growth stage of cotton when SLWF infest the crop. <\/li><li>Potential yield loss is greater when infestations appear during squaring or early bloom compared with late bloom. <\/li><li>The duration or time of control required to protect yield and quality from SLWF is also dependent upon the planting date. <\/li><li>April and early May planted cotton is at lower risk for SLWF problems compared with late May and June planted cotton.<\/li><li>Avoid Late Planting<\/li><\/ul><\/li><li>Location (proximity of SLWF infested crops): <ul><li>Spring vegetable and melon crops are a source of SLWF infesting cotton. <\/li><li>In the fall cotton is a source of SLWF infesting fall vegetables.<\/li><li>The nearness of cotton to a SLWF infested field increases the risk of SLWF. <\/li><li>Minimize Planting Cotton Next to SLWF Infested Crops. <\/li><li>If planting cotton near SLWF infested crops, be sure to avoid late planting and use a smooth leaf variety.<\/li><li>Destroy SLWF host crops immediately after harvest; this includes vegetable and melon crops in the spring and cotton (timely defoliation and harvest) and other crops in the fall.<\/li><\/ul><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-856 alignleft\" src=\"https:\/\/site.extension.uga.edu\/tiftcoag\/files\/2020\/04\/35878366356_190e2ab723_o-300x225.jpg\" alt=\"\" width=\"323\" height=\"242\" srcset=\"https:\/\/site.extension.uga.edu\/tiftcoag\/files\/2020\/04\/35878366356_190e2ab723_o-300x225.jpg 300w, https:\/\/site.extension.uga.edu\/tiftcoag\/files\/2020\/04\/35878366356_190e2ab723_o-768x576.jpg 768w, https:\/\/site.extension.uga.edu\/tiftcoag\/files\/2020\/04\/35878366356_190e2ab723_o.jpg 960w\" sizes=\"auto, (max-width: 323px) 100vw, 323px\" \/>Here are some things to consider before planting cotton.<\/p>\n","protected":false},"author":277,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,26,27,1],"tags":[],"class_list":["post-851","post","type-post","status-publish","format-standard","hentry","category-cotton","category-disease","category-insects","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/site.extension.uga.edu\/tiftcoag\/wp-json\/wp\/v2\/posts\/851","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/site.extension.uga.edu\/tiftcoag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/site.extension.uga.edu\/tiftcoag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/tiftcoag\/wp-json\/wp\/v2\/users\/277"}],"replies":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/tiftcoag\/wp-json\/wp\/v2\/comments?post=851"}],"version-history":[{"count":4,"href":"https:\/\/site.extension.uga.edu\/tiftcoag\/wp-json\/wp\/v2\/posts\/851\/revisions"}],"predecessor-version":[{"id":858,"href":"https:\/\/site.extension.uga.edu\/tiftcoag\/wp-json\/wp\/v2\/posts\/851\/revisions\/858"}],"wp:attachment":[{"href":"https:\/\/site.extension.uga.edu\/tiftcoag\/wp-json\/wp\/v2\/media?parent=851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/tiftcoag\/wp-json\/wp\/v2\/categories?post=851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/tiftcoag\/wp-json\/wp\/v2\/tags?post=851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}