{"id":113,"date":"2018-11-02T15:04:24","date_gmt":"2018-11-02T19:04:24","guid":{"rendered":"http:\/\/site.extension.uga.edu\/burkeag\/?p=113"},"modified":"2018-11-08T16:00:33","modified_gmt":"2018-11-08T21:00:33","slug":"nematode-resistant-cotton-variety-evaluation","status":"publish","type":"post","link":"https:\/\/site.extension.uga.edu\/burkeag\/nematode-resistant-cotton-variety-evaluation\/","title":{"rendered":"Nematode Resistant Cotton Variety Evaluation"},"content":{"rendered":"<p>Root-Knot Nematodes have become a major pest in cotton and cause more economic damage to Georgia\u00a0crops than any other species of nematode.\u00a0 Historically, cotton varieties with resistance to root-knot nematodes did not produce competitive yields.\u00a0 \u00a0According to\u00a0UGA Cooperative Extension Plant Pathologies, Dr. Bob Kemerait, with cotton, if you plant resistant varieties in a heavily root-knot nematode-infested field, they will outshine the susceptible variety.<\/p>\n<p>This year, Burke County Agents, Katie Burch and Peyton Sapp collaborated with\u00a0UGA East Georgia Agronomist, Mark Freeman, to conduct a Nematode Resistant Cotton Variety\u00a0Trial located at the Southeast Research and Education Center in Midville, Georgia.\u00a0 Two large-plot experiments were planted in dryland and irrigated conditions.\u00a0 The plots included three nematode resistant varieties (DP 1747, ST 4946, PHY 480) as well as the most commonly planted variety in the region (DP 1646) planted with and without an at-plant application of aldicarb.\u00a0 Both locations showed moderate to high levels of root-knot nematode populations in samples taken post-harvest in 2017. Below is a graph to demonstrate data collected.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-118 aligncenter\" src=\"https:\/\/site.extension.uga.edu\/burkeag\/files\/2018\/11\/NR-Cotton-Variety-Results-300x131.png\" alt=\"\" width=\"479\" height=\"209\" srcset=\"https:\/\/site.extension.uga.edu\/burkeag\/files\/2018\/11\/NR-Cotton-Variety-Results-300x131.png 300w, https:\/\/site.extension.uga.edu\/burkeag\/files\/2018\/11\/NR-Cotton-Variety-Results-768x336.png 768w, https:\/\/site.extension.uga.edu\/burkeag\/files\/2018\/11\/NR-Cotton-Variety-Results-315x138.png 315w, https:\/\/site.extension.uga.edu\/burkeag\/files\/2018\/11\/NR-Cotton-Variety-Results.png 861w\" sizes=\"auto, (max-width: 479px) 100vw, 479px\" \/><\/p>\n<p>Results are from the early planted, dryland Nematode Resistant Variety\u00a0Trial post Hurricane Michael.\u00a0 Crop losses of 46% were recorded at the Southeast Research and Education Center in harvest ready cotton.\u00a0 Losses were not specifically estimated for this plot.<\/p>\n<p>Nematode Resistant Varieties do have an effect on yield potential.\u00a0 Statistical differences were observed between varieties for yield.\u00a0 Findings from test plots conclude that Nematode Resistant Varieties showed greater yield production than Non-Resistant Varieties where nematode pressure is present.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Root-Knot Nematodes have become a major pest in cotton and cause more economic damage to Georgia\u00a0crops than any other species of nematode.\u00a0 Historically, cotton varieties with resistance to root-knot nematodes did not produce competitive yields.\u00a0 \u00a0According to\u00a0UGA Cooperative Extension Plant Pathologies, Dr. Bob Kemerait, with cotton, if you plant resistant varieties in a heavily root-knot [&hellip;]<\/p>\n","protected":false},"author":217,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-113","post","type-post","status-publish","format-standard","hentry","category-other"],"_links":{"self":[{"href":"https:\/\/site.extension.uga.edu\/burkeag\/wp-json\/wp\/v2\/posts\/113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/site.extension.uga.edu\/burkeag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/site.extension.uga.edu\/burkeag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/burkeag\/wp-json\/wp\/v2\/users\/217"}],"replies":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/burkeag\/wp-json\/wp\/v2\/comments?post=113"}],"version-history":[{"count":2,"href":"https:\/\/site.extension.uga.edu\/burkeag\/wp-json\/wp\/v2\/posts\/113\/revisions"}],"predecessor-version":[{"id":129,"href":"https:\/\/site.extension.uga.edu\/burkeag\/wp-json\/wp\/v2\/posts\/113\/revisions\/129"}],"wp:attachment":[{"href":"https:\/\/site.extension.uga.edu\/burkeag\/wp-json\/wp\/v2\/media?parent=113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/burkeag\/wp-json\/wp\/v2\/categories?post=113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/burkeag\/wp-json\/wp\/v2\/tags?post=113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}