{"id":1425,"date":"2020-05-08T15:50:56","date_gmt":"2020-05-08T20:50:56","guid":{"rendered":"https:\/\/agrilife.org\/mid-coast-ipm\/?p=1425"},"modified":"2020-05-08T15:52:23","modified_gmt":"2020-05-08T20:52:23","slug":"thrips-and-fleahoppers-in-some-cotton-fields","status":"publish","type":"post","link":"https:\/\/agrilife.org\/mid-coast-ipm\/thrips-and-fleahoppers-in-some-cotton-fields\/","title":{"rendered":"Thrips and Fleahoppers in Some Cotton Fields"},"content":{"rendered":"

This week while scouting cotton fields in Calhoun, Refugio, and Victoria Counties, we have found thrips, cotton fleahopper, and aphids.<\/p>\n

\"\"<\/a>

Photo by S. Biles<\/p><\/div>\n

A few young cotton fields have thrips above economic levels of 1-2 per true leaf. This is not a comment I am fond of making because, I rarely think of thrips as an economic pest in cotton fields of the Mid-Coast. The problem we are seeing is more of a factor of lack of rainfall than the presence of thrips.<\/p>\n

In most years, our cotton fields are growing at a good rate and are not stressed in May. The lack of rainfall has me concerned for higher thrips populations in cotton fields with less than 4 true leaves. In these young fields, you may want to consider treating when thrips numbers exceed the number of true leaves.<\/p>\n

Squaring cotton should be inspected 1-2 times per week for cotton fleahopper. I have a brief video demonstrating how I scout for fleahoppers HERE<\/a>.<\/p>\n

\"\"<\/a>

Photo by S. Biles<\/p><\/div>\n

In addition to visual sampling, once the plants get 10-12 nodes, I start to use a 2 gallon bucket to beat the plants into as an easier method of scouting for cotton fleahoppers.<\/p>\n

Treatable fields have more than 15 cotton fleahopper adults or nymphs per 100 plants.<\/p>\n

I have found aphids in cotton fields. These aphids have been on a leaf here or there with 5-10 aphids. Treat if plants exceed 50-100 aphids per leaf across the field. It has been a number of years since I have last seen a cotton field requiring an insecticide application for aphids prior to bloom.<\/p>\n","protected":false},"excerpt":{"rendered":"

This week while scouting cotton fields in Calhoun, Refugio, and Victoria Counties, we have found thrips, cotton fleahopper, and aphids. A few young cotton fields have thrips above economic levels of 1-2 per true leaf. This is not a comment I am fond of making because, I rarely think of thrips as an economic pest in cotton fields of the Mid-Coast. The problem we are seeing is more of a factor of lack of rainfall than the presence of thrips. In most years, our cotton fields are growing… Read More →<\/a><\/span><\/p>\n","protected":false},"author":1158,"featured_media":1382,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[11],"tags":[15,21,20,16],"class_list":["post-1425","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pest-management-news","tag-cotton","tag-cotton-aphids","tag-cotton-fleahopper","tag-thrips"],"acf":[],"yoast_head":"\nThrips and Fleahoppers in Some Cotton Fields - Mid-Coast IPM<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/agrilife.org\/mid-coast-ipm\/thrips-and-fleahoppers-in-some-cotton-fields\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thrips and Fleahoppers in Some Cotton Fields - Mid-Coast IPM\" \/>\n<meta property=\"og:description\" content=\"This week while scouting cotton fields in Calhoun, Refugio, and Victoria Counties, we have found thrips, cotton fleahopper, and aphids. 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