{"id":2453,"date":"2019-08-05T15:32:04","date_gmt":"2019-08-05T19:32:04","guid":{"rendered":"https:\/\/umaine.edu\/weedecology\/?p=2453"},"modified":"2019-08-05T15:32:04","modified_gmt":"2019-08-05T19:32:04","slug":"how-effective-are-tine-weeders","status":"publish","type":"post","link":"https:\/\/umaine.edu\/weedecology\/2019\/08\/05\/how-effective-are-tine-weeders\/","title":{"rendered":"How effective are tine weeders?"},"content":{"rendered":"

Physical weed control typically yields highly variable results.\u00a0 Flex-tine harrows are commonly used, and are often the only choice for organic grain farmers, but finding the right tool and settings can\u00a0be a challenge.<\/p>\n

A study conducted by UMaine Weed Ecology Master’s student, Johnny Sanchez, focused on flex-tine harrows.\u00a0 He investigated six tool systems’\u00a0weed control efficacy:<\/p>\n

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Tine Rake from Johnny’s Selected Seeds<\/figcaption><\/figure>\n

 <\/p>\n

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Double Wheel Hoe from Terrateck<\/figcaption><\/figure>\n

 <\/p>\n

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Tine Rake from Terrateck<\/figcaption><\/figure>\n

 <\/p>\n

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Tiny Treffler<\/a> from Man@Machine<\/figcaption><\/figure>\n

 <\/p>\n

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Tine Rake from Two Bad Cats<\/figcaption><\/figure>\n

 <\/p>\n

\"\"
Williams Toolbar with Lely Tines<\/figcaption><\/figure>\n

Tools were tested in experimental plots that were sown with bush beans (Phaseolis vulgaris<\/em> ‘Provider’), and wild radish\u00a0(Raphanus<\/em> raphanistrum<\/em>) was sown as a weed.\u00a0 This experiment also evaluated four condiment mustard species for their use as “surrogate” weeds in agricultural research, so subplots of each were included in all plots.\u00a0 Tools were\u00a0standardized to a moderate aggressiveness.\u00a0 The percent of weeds and crops killed using each tool was recorded to compare the tool systems. Because the Williams Tool System is well-known and frequently used, it was a considered a reference tool in this study.<\/p>\n

\"\"
A box and whisker plot<\/a> depicting the efficacy, or percent of weeds killed, by each tool; efficacy of 0% means no weeds were killed, while 100% indicates that all weeds were killed.<\/figcaption><\/figure>\n

The effect of tools on crop mortality did not differ, meaning that no tool killed more crops than another. However, the Tiny Treffler was significantly more effective at killing weeds than other tools. Tine diameter and the total number of tines did not explain the variation among tools’ effects on crop mortality or cultivation efficacy. Further, no surrogate weed species significantly differed from wild radish in their respective cultivation susceptibilities, suggesting that closely related crop species can be a legitimate substitute for real weed species for the purposes of research.<\/p>\n","protected":false},"excerpt":{"rendered":"

Physical weed control typically yields highly variable results.\u00a0 Flex-tine harrows are commonly used, and are often the only choice for organic grain farmers, but finding the right tool and settings can\u00a0be a challenge. A study conducted by UMaine Weed Ecology Master’s student, Johnny Sanchez, focused on flex-tine harrows.\u00a0 He investigated six tool systems’\u00a0weed control efficacy: […]<\/p>\n","protected":false},"author":1032,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-2453","post","type-post","status-publish","format-standard","hentry","category-news"],"yoast_head":"\nHow effective are tine weeders? - Weed Ecology and Management - University of Maine<\/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:\/\/umaine.edu\/weedecology\/2019\/08\/05\/how-effective-are-tine-weeders\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How effective are tine weeders? - Weed Ecology and Management - University of Maine\" \/>\n<meta property=\"og:description\" content=\"Physical weed control typically yields highly variable results.\u00a0 Flex-tine harrows are commonly used, and are often the only choice for organic grain farmers, but finding the right tool and settings can\u00a0be a challenge. 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