False-green kyllinga (Kyllinga gracillima) control in cool-season turfgrass

Matthew T. Elmore; Aaron J. Patton; Daniel P. Tuck

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False-green kyllinga (Kyllinga gracillima) control in cool-season turfgrass

机译：False-green kyllinga (Kyllinga gracillima) control in cool-season turfgrass

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We conducted research to evaluate various herbicides for POST false-green kyllinga control in cool-season turfgrass (primarily creeping bentgrass). In a preliminary evaluation, single and sequential applications of halosulfuron-methyl (70 g ai ha~(-1)), mesotrione (175 g ai ha~(-1)), and sulfentrazone (140 g ai ha~(-1)), as well as a single application of imazosulfuron (740 g ai ha~(-1)), were evaluated in New Jersey. Imazosulfuron and sequential applications of halosulfuron-methyl controlled false-green kyllinga >93% at 9 and 18 wk after initial treatment (WAIT). Sulfentrazone and mesotrione controlled false-green kyllinga <50%. Additional experiments were conducted to evaluate single and sequential applications of halosulfuron-methyl (70 g ha~(-1)), imazosulfuron (420 and 740 g ha~(-1)), and sulfentrazone (140 g ha~(-1)) in New Jersey and Indiana at two locations in each state. At 12 WAIT, imazosulfuron generally controlled false-green kyllinga more effectively than other treatments at all locations. Sequential applications of imazosulfuron controlled false-green kyllinga 100% at 12 WAIT. Halosulfuron-methyl was less effective in Indiana than in New Jersey. Sulfentrazone controlled false-green kyllinga <40% at 12 WAIT. This research demonstratesthat imazosulfuron is more effective than halosulfuron-methyl and sulfentrazone for POST false-green kyllinga control in cool-season turf.

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《Weed Technology: A journal of the Weed Science Society of America》 |2019年第2期|329-334|共6页
作者
Matthew T. Elmore; Aaron J. Patton; Daniel P. Tuck;
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作者单位

Assistant Extension Specialist, Department of Plant Biology, Rutgers University, New Brunswick, NJUSA;

Professor, Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, INUSA;

Field Researcher, Department of Plant Biology, Rutgers University, New Brunswick, NJUSA;

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正文语种英语
中图分类植物保护;
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Scott McElroy; Auburn University; Halosulfuron-methyl; imazosulfuron; mesotrione; sulfentrazone; false-green kyllinga; Kyllinga gracillima Miq; creeping bentgrass; Agrostis stolonifera; L. Acetolactate synthase ALS inhibitor PPO inhibitor; protoporphyrinogen oxidase; sulfonylurea turfgrass;

False-green kyllinga (Kyllinga gracillima) control in cool-season turfgrass

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