{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/71603"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/71603","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Studies on the Use of Herbicides for Control of Wild Garlic (Allium Vineale L.) in a Winter Wheat-Soybean Double Crop Rotation (Chlorsulfuron, Dpx T6376)","abstract":"The response of wild garlic (Allium vineale L.) to two sulfonylurea herbicides, chlorsulfuron (2-chloro-N-(((4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino)carbonyl)benzenesulfonamide), and DPX T6376 (methyl-2-((((4-methoxy-6-methyl-1,3,5-triazin-(2-yl)amino)carbonyl)amino)sulfonyl)benzoate), was investigated. In field studies, although DPX T6376 was approximately three times more active than chlorsulfuron, extremely low rates of either herbicide controlled wild garlic. DPX T6376 and chlorsulfuron applied in April at 5 and 15 g ai/ha, respectively, reduced aerial and underground bulb production by 95%. In time of application experiments, chlorsulfuron was applied preemergence, and postemergence, in early fall, late fall, early spring and late spring. All treatments reduced aerial and underground bulb production, but spring applications were much more effective than preemergence, or postemergence, fall applications. Application of chlorsulfuron in mid to late April, when the old bulb reserves were exhausted, and the scape and new bulbs were rapidly developing, gave the best control of wild garlic.","abstract_html":"The response of wild garlic (Allium vineale L.) to two sulfonylurea herbicides, chlorsulfuron (2-chloro-N-(((4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino)carbonyl)benzenesulfonamide), and DPX T6376 (methyl-2-((((4-methoxy-6-methyl-1,3,5-triazin-(2-yl)amino)carbonyl)amino)sulfonyl)benzoate), was investigated. In field studies, although DPX T6376 was approximately three times more active than chlorsulfuron, extremely low rates of either herbicide controlled wild garlic. DPX T6376 and chlorsulfuron applied in April at 5 and 15 g ai/ha, respectively, reduced aerial and underground bulb production by 95%. In time of application experiments, chlorsulfuron was applied preemergence, and postemergence, in early fall, late fall, early spring and late spring. All treatments reduced aerial and underground bulb production, but spring applications were much more effective than preemergence, or postemergence, fall applications. Application of chlorsulfuron in mid to late April, when the old bulb reserves were exhausted, and the scape and new bulbs were rapidly developing, gave the best control of wild garlic.","abstract_has_math":false,"creators":["Leys, Andrew Ross"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Agronomy","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-16T19:03:27Z","date_published":"2014-12-16T19:03:27Z","updated_at":"2026-07-22T22:26:05Z","subjects":["Agriculture, Agronomy"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8502219"],"render_values":[{"text":"(UMI)AAI8502219","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/71603","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Leys, Andrew Ross"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-16T19:03:27Z","10000-01-01","1984"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Agronomy"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Agriculture, Agronomy"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/71603","(UMI)AAI8502219"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The response of wild garlic (Allium vineale L.) to two sulfonylurea herbicides, chlorsulfuron (2-chloro-N-(((4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino)carbonyl)benzenesulfonamide), and DPX T6376 (methyl-2-((((4-methoxy-6-methyl-1,3,5-triazin-(2-yl)amino)carbonyl)amino)sulfonyl)benzoate), was investigated. In field studies, although DPX T6376 was approximately three times more active than chlorsulfuron, extremely low rates of either herbicide controlled wild garlic. DPX T6376 and chlorsulfuron applied in April at 5 and 15 g ai/ha, respectively, reduced aerial and underground bulb production by 95%. In time of application experiments, chlorsulfuron was applied preemergence, and postemergence, in early fall, late fall, early spring and late spring. All treatments reduced aerial and underground bulb production, but spring applications were much more effective than preemergence, or postemergence, fall applications. Application of chlorsulfuron in mid to late April, when the old bulb reserves were exhausted, and the scape and new bulbs were rapidly developing, gave the best control of wild garlic.","In controlled environment studies, plants grown from the aerial bulblets were more susceptible to chlorsulfuron than plants grown from the larger soft offset bulbs. A non-ionic surfactant, or a crop oil concentrate, added to the spray solution, improved the performance of chlorsulfuron. In a site of uptake experiment, wild garlic responded similarly to both herbicides. Application of either herbicide to the foliage, or to a combination of foliage and the soil, was more effective than application to the soil alone. Studies with foliarly applied ('14)C-labeled herbicides showed that chlorsulfuron and DPX T6376 had similar absorption and translocation patterns. Small amounts of both herbicides were translocated to all plant parts, but the highest concentration outside the treated leaf occurred in the apical meristem.","Soybeans, planted as a double crop after wheat, were severely damaged by soil residues remaining from chlorsulfuron applied to the preceding wheat crop. When DPX T6376 and chlorsulfuron were applied at equal rates to wheat, they caused similar damage to double crop soybeans. However, because DPX T6376 controls wild garlic at lower rates than chlorsulfuron, it may be possible to double crop soybeans after wheat has been sprayed with DPX T6376.","Made available in DSpace on 2014-12-16T19:03:27Z (GMT). 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In field studies, although DPX T6376 was approximately three times more active than chlorsulfuron, extremely low rates of either herbicide controlled wild garlic. DPX T6376 and chlorsulfuron applied in April at 5 and 15 g ai/ha, respectively, reduced aerial and underground bulb production by 95%. In time of application experiments, chlorsulfuron was applied preemergence, and postemergence, in early fall, late fall, early spring and late spring. All treatments reduced aerial and underground bulb production, but spring applications were much more effective than preemergence, or postemergence, fall applications. Application of chlorsulfuron in mid to late April, when the old bulb reserves were exhausted, and the scape and new bulbs were rapidly developing, gave the best control of wild garlic.","In controlled environment studies, plants grown from the aerial bulblets were more susceptible to chlorsulfuron than plants grown from the larger soft offset bulbs. A non-ionic surfactant, or a crop oil concentrate, added to the spray solution, improved the performance of chlorsulfuron. In a site of uptake experiment, wild garlic responded similarly to both herbicides. Application of either herbicide to the foliage, or to a combination of foliage and the soil, was more effective than application to the soil alone. Studies with foliarly applied ('14)C-labeled herbicides showed that chlorsulfuron and DPX T6376 had similar absorption and translocation patterns. Small amounts of both herbicides were translocated to all plant parts, but the highest concentration outside the treated leaf occurred in the apical meristem.","Soybeans, planted as a double crop after wheat, were severely damaged by soil residues remaining from chlorsulfuron applied to the preceding wheat crop. When DPX T6376 and chlorsulfuron were applied at equal rates to wheat, they caused similar damage to double crop soybeans. However, because DPX T6376 controls wild garlic at lower rates than chlorsulfuron, it may be possible to double crop soybeans after wheat has been sprayed with DPX T6376.","Made available in DSpace on 2014-12-16T19:03:27Z (GMT). No. of bitstreams: 1 8502219.pdf: 3806471 bytes, checksum: 93e321f12b69c78e0c9fb592c9178409 (MD5) Previous issue date: 1984","Embargo set by: Seth Robbins for item 71769 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community indefinitely during batch ingest of legacy ETDs","U of I Only","124 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1984."],"dc:identifier":["http://hdl.handle.net/2142/71603","(UMI)AAI8502219"],"dc:subject":["Agriculture, Agronomy"],"dc:title":["Studies on the Use of Herbicides for Control of Wild Garlic (Allium Vineale L.) in a Winter Wheat-Soybean Double Crop Rotation (Chlorsulfuron, Dpx T6376)"],"dc:type":["text"],"thesis:degree_discipline":["Agronomy"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:05Z"}