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Peter H. Dernoeden, John E. Kaminski, and Jinmin Fu

two or three applications of mesotrione at 0.28 or 0.42 kg·ha −1 a.i. beginning in early June provided inconsistent levels (13%–92%) of CBG control. The 0.42 kg·ha −1 a.i. rate applied three times, however, provided 92% to 100% CBG control in both

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Alexander R. Kowalewski, Douglas D. Buhler, N. Suzanne Lang, Muraleedharan G. Nair, and John N. Rogers III

applied at the high application rate would provide the most effective common dandelion control. Our work presents the opportunity to identify a new method of organic broadleaf weed (specifically common dandelion) control. Materials and methods Field

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Sean M. Westerveld, Alan W. McKeown, and Mary Ruth McDonald

( White et al., 1983 ), possibly as a result of delayed leaf senescence at higher rates of fertilizer application and, as a result, delayed infection of the foliage by A. dauci ( Vintal et al., 1999 ). Studies examining the ALB/CLS complex showed that

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Diana R. Cochran, Richard L. Harkess, Patricia R. Knight, Maria Tomaso-Peterson, Eugene K. Blythe, and Charles H. Gilliam

, respectively ( Fig. 1 ). Four rates of Regalia ® were applied based on the recommended label rate of 0.48 g·L −1 of active ingredient: 0.0× (water only), 0.5× (5 mL·L −1 ), 1.0× (10 mL·L −1 ), or 1.5× (15 mL·L −1 ). Foliar applications of Regalia ® were made

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Andrew J. Hephner, Tyler Cooper, Leslie L. Beck, and Gerald M. Henry

. However, metsulfuron and trifloxysulfuron treatments exhibited 54% or less khakiweed control 2 WAIT regardless of rate. Injury symptoms after application of metsulfuron and trifloxysulfuron have been reported to take greater than 1 to 2 weeks to appear

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Simone da Costa Mello, Francis J. Pierce, Rachel Tonhati, Guilherme Silva Almeida, Durval Dourado Neto, and Kiran Pavuluri

Brazil is high with an average K application rate of 189 kg·ha −1 reported by Bernardi et al. (2002) and 166 kg·ha −1 reported by IBGE (2017) but varies considerably: 199–374 kg K/ha, 64–250 kg N/ha, and 196–371 kg P/ha ( Schepers et al., 2015

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Christian M. Baldwin, Eugene K. Blythe, A. Douglas Brede, Jami J. Mayer, and R. Golembiewski

–6.6P–12.5K the day of seeding and again 2 weeks after seeding. An additional fertilizer application using the same rate and product was applied in mid-September of both years. Irrigation was not applied after fertilizer applications. Once established

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Catarina Saude, Mary Ruth McDonald, and Sean Westerveld

; MacKenzie, 1981 ; Soltanpour and Harrison, 1974 ; Vintal et al., 1999 ; White et al., 1983 ). For instance, on carrot, ALB severity was reduced by increasing N application rate in Michigan ( Warncke, 1996 ), Ontario ( Westerveld et al., 2002 ), and Israel

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Christian M. Baldwin, A. Douglas Brede, and Jami J. Mayer

stands of PRG. Bispyribac-sodium has shown promise, but efficacy depends on temperature, rate, and application timing for acceptable ABG control with minimal PRG injury ( McCullough and Hart, 2009 ). Williams et al. (2009) reported minimal PRG toxicity

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Xi Xiong, Ken Diesburg, and Daniel T. Lloyd

identified in 2011 from a golf course fairway in Missouri ( Binkholder et al., 2011 ). After more than 10 years of glyphosate applications in dormant ‘Meyer’ zoysiagrass at rates up to 0.62 kg·ha −1 , a biotype of annual bluegrass survived glyphosate at 6