Preemergence Herbicide Efficacy Under Athletic Field Traffic

Brosnan, James T.; Breeden, Gregory K.; Thoms, Adam; Sorochan, John C.

doi:10.1094/ats-2011-1128-01-br

Cited by 3 publications

(7 citation statements)

References 3 publications

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“…Our results differ from those reported by Brosnan et al (10) who did not observe differences in the recovery of trafficked Tifway bermudagrass in response to PRE herbicide applications. Bermudagrass recovery was similar in response to oxadiazon (3.4 kg/ha), pendimethalin (3.4 kg/ha), prodiamine (0.56 kg/ha), prodiamine + sulfentrazone (0.8 + 0.4 kg/ha), and dithiopyr (0.4 kg/ha) 1 to 7 weeks after traffic simulations ceased.…”

Section: Bermudagrass Recovery In Response To Pre Herbicidescontrasting

confidence: 99%

“…Therefore, the chemical barrier may remain intact for several weeks to months, until soil microorganisms and other environmental factors degrade these herbicides over time (14,24). As a result, utilization of certain PRE herbicides may interfere with the recovery of bermudagrass in the spring and summer from damage caused by winter desiccation, heavy traffic, or disease (10,28).…”

Section: Preemergence Herbicidesmentioning

confidence: 99%

“…The presence of PRE herbicides in the soil profile may inhibit the rooting of bermudagrass stolons, prolonging disease symptoms and recovery. Though research has been conducted to quantify the effect of PRE herbicide applications on bermudagrass recovery from divot injury (15) and wear/traffic (10), no research has been conducted to determine the effect on bermudagrass recovery from SDS disease. Therefore, the objective of our research was to determine foliar phytotoxicity of bermudagrass in response to preemergence herbicide applications and evaluate the effect of spring PRE herbicides on the recovery of a bermudagrass fairway from SDS disease symptoms.…”

Section: Preemergence Herbicidesmentioning

confidence: 99%

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Effect of Preemergence Herbicides on the Recovery of Bermudagrass from Spring Dead Spot

Beck

Cooper

Hephner

et al. 2013

Applied Turfgrass Science

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Field experiments were conducted in Texas to examine the recovery of a bermudagrass [Cynodon dactylon × C. transvaalensis (L.) Pers.] fairway from spring dead spot (SDS) disease following preemergence (PRE) herbicide applications. In 2011 and 2012 bermudagrass recovery from SDS in the non‐treated check plots (46 and 59%, respectively) was similar to bermudagrass recovery in response to oxadiazon at 3.4 kg/ha (55 and 57%, respectively) 14 weeks after treatment (WAT). Pendimethalin at 2.5 kg/ha resulted in 33 to 38% bermudagrass recovery from SDS 14 WAT. In 2011, oryzalin (1.68 kg/ha), dithiopyr (0.56 kg/ha), prodiamine (0.73 kg/ha), and dimethenamid (1.68 kg/ha) applications resulted in 21 to 25% bermudagrass recovery from SDS 14 WAT. In 2012, bermudagrass exhibited similar recovery in response to prodiamine and oryzalin (24 and 26%, respectively), while response to dithiopyr and dimethenamid was 33 and 34%, respectively, 14 WAT. Bermudagrass exhibited the least amount of recovery (13 to 14%) in response to indaziflam at 0.035 kg/ha, regardless of year. Oxadiazon can be safely used as a PRE option when bermudagrass is recovering from SDS, while the use of oryzalin, prodiamine, dithiopyr, dimethenamid, pendimethalin, and indaziflam may limit recovery and further contribute to a weakened turfgrass system.

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Section: Bermudagrass Recovery In Response To Pre Herbicidescontrasting

confidence: 99%

Section: Preemergence Herbicidesmentioning

confidence: 99%

Section: Preemergence Herbicidesmentioning

confidence: 99%

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Effect of Preemergence Herbicides on the Recovery of Bermudagrass from Spring Dead Spot

Beck

Cooper

Hephner

et al. 2013

Applied Turfgrass Science

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“…Traffic was applied from 21 Aug. to 21 Sept. 2012 and 14 Aug. to 25 Sept. 2013. Hybrid bermudagrass cover was quantified using digital image analysis identical to the methods of Brosnan et al (2011) after 0, 3, 6, 9, 12, 15, and 18 simulated traffic events were applied each year. Experimental design was a randomized complete block design with three replications, repeated in time during 2012 and 2013.…”

Section: Designmentioning

confidence: 99%

“…Residual activity of these herbicides in soil allows for effective weed control for several weeks after treatment in either spring or fall.Applications of these herbicides in spring for PRE control of smooth crabgrass (Digitaria ischaemum Schreb.) have no effect on common bermudagrass (Cynodon dactylon L.) tolerance to simulated traffic in spring (Brosnan et al, 2011). However, it is unclear if PRE herbicide applications in spring would affect hybrid bermudagrass tolerance to fall traffic events.…”

mentioning

confidence: 99%

Applications of Preemergence Herbicides in Spring Do Not Affect Bermudagrass Traffic Tolerance in Fall

Brosnan

Breeden

Dickson

et al. 2014

Applied Turfgrass Science

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Effect of Preemergence Herbicides on Hybrid Bermudagrass Divot Resistance and Recovery

Jones

Brosnan

Breeden

et al. 2014

horts

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Divoting is a common occurrence on golf courses and athletic fields. Research was conducted at the University of Tennessee Center for Athletic Field Safety (Knoxville, TN) during 2012–13 evaluating the effects of preemergence (PRE) herbicide applications on hybrid bermudagrass [C. dactylon (L.) Pers. × C. transvaalensis Burtt-Davy, cv. Tifway] divot resistance and recovery. Plots were subjected to the factorial combination of seven herbicide treatments (indaziflam at 35 and 52.5 g·ha−1; prodiamine at 840 g·ha−1; pendimethalin at 3360 g·ha−1; dithiopyr at 560 g·ha−1; oxadiazon at 3360 g·ha−1; non-treated control) and three divot timings [1, 2, and 3 months after herbicide treatment (MAT)]. Rates were based on label recommendations for preemergence crabgrass (Digitaria spp.) control. Herbicides were applied on 15 Mar. 2012 and 2013. Divots were generated using a weighted pendulum apparatus designed to impart 531 J of impact energy to the turf sward with a golf club. Divot resistance was quantified by measuring divot volume at each timing while divot recovery was quantified by measuring turf cover in the divot scar using digital image analysis. All herbicide-treated plots produced divots with volumes ≤ the non-treated control. In 2013, volumes were greater for divots produced 1 MAT (215 cm3) than those created 2 MAT (191 cm3) or 3 MAT (157 cm3). No differences in divot recovery were detected as a result of herbicide treatment in either year. Under the conditions of this study, applications of PRE herbicides at labeled rates did not affect divot resistance or recovery.Chemical names: N-[(1R,2S)-2,3-dihydro-2,6-dimethyl-1H-inden-1-yl]-6-(1-fluoroethyl)-1,3,5-triazine-2,4-diamine (indaziflam), 2,4 dinitro-N3,N3-dipropyl-6-(trifluoromethyl)-1,3-benzenediamine (prodiamine), N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenamine (pendimethalin), S,S-dimethyl 2-(difluoromethyl)-4-(2-methylpropyl)-6-(trifluoromethyl)-3,5-pyridinedicarbothioate (dithiopyr), 3-[2,4-dichloro-5-(1-methylethoxy)phenyl]-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2-(3H)-one (oxadiazon)

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Preemergence Herbicide Efficacy Under Athletic Field Traffic

Cited by 3 publications

References 3 publications

Effect of Preemergence Herbicides on the Recovery of Bermudagrass from Spring Dead Spot

Effect of Preemergence Herbicides on the Recovery of Bermudagrass from Spring Dead Spot

Applications of Preemergence Herbicides in Spring Do Not Affect Bermudagrass Traffic Tolerance in Fall

Effect of Preemergence Herbicides on Hybrid Bermudagrass Divot Resistance and Recovery

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