Buffalograss Tolerance to Post-Emergence Herbicides in the Intermountain West

Dyke, Adam Van; Johnson, Paul G.

doi:10.1094/ats-2009-0312-01-br

Cited by 5 publications

(7 citation statements)

References 2 publications

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“…However, carfentrazone + 2,4‐D + MCPP + dicamba caused most severe damage in the study with a 9% reduction in percent buffalograss cover at the end of the study. Contrary to our results, Van Dyke and Johnson (2009) found no injury caused by herbicides containing 2,4‐D in their study when herbicides were applied in July and August. However, research done by Van Dyke and Johnson (2009) was conducted in the arid Intermountain West, and the lower ambient humidity there may result in the herbicide not persisting on the leaf for as long as it would in the Great Plains.…”

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confidence: 99%

“…These perennial broadleaves and newly‐germinated summer annual broadleaves are aesthetically unappealing in the otherwise dormant stand of buffalograss. Tolerance of established buffalograss to post‐emergence herbicides during the summer has been evaluated (Van Dyke and Johnson, 2009), but little information exists for herbicide safety on buffalograss when applied during greenup. Our objective was to evaluate seven commonly used post‐emergence herbicides for turf safety when applied before or during buffalograss greenup.…”

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confidence: 99%

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Buffalograss Exhibits Adequate Turf Tolerance to Postemergence Herbicides Applied During or Shortly After Greenup

Li¹,

Sousek²,

Gaussoin³

et al. 2018

Crop Forage & Turfgrass Mgmt

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Core Ideas Many postemergence herbicides can be safely applied during buffalograss greenup in early to mid‐April (0% greenup) with little chance of turf damage. Herbicide that does not contain 2,4‐D can be safely applied during buffalograss greenup until 1 June (70‐85% greenup). Herbicide containing 2,4‐D should be applied before the first week of May (10‐15% greenup) for turf safety concerns, or apply no later than third week of May (50‐60% greenup) for acceptable stand during the summer months.

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confidence: 99%

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confidence: 99%

Buffalograss Exhibits Adequate Turf Tolerance to Postemergence Herbicides Applied During or Shortly After Greenup

Li¹,

Sousek²,

Gaussoin³

et al. 2018

Crop Forage & Turfgrass Mgmt

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“…Our study clearly shows that proper calibration and application technique are important when using herbicides on buffalograss. Similar to previous studies (Goss et al, 2006;Van Dyke and Johnson, 2009), our data show that established buffalograss tolerates many herbicides under adequate irrigation and fertilization regimes. Though injury may occur, it is relatively short-lived with the exception of imazapic at the 2´ rate.…”

supporting

confidence: 92%

“…Goss et al (2006) noted a wide variety of preemergence or postemergence herbicides that could be used on newly established or mature buffalograss. More recently, Van Dyke and Johnson (2009) reported that established ‘Cody’ buffalograss tolerated labeled rates of common postemergence broadleaf herbicides.…”

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confidence: 99%

Herbicide Tolerance of Established Buffalograss

Sousek

Gaussoin

et al. 2017

Crop Forage & Turfgrass Mgmt

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Core Ideas Proper calibration and application is important when using herbicides on buffalograss. Established ‘Bowie’ buffalograss was most tolerant to carfentrazone + quinclorac, halosulfuron, indaziflam, quinclorac, quinclorac + MCCP + dicamba, simazine, sulfosulfuron, or thiencarbazone + iodosulfuron + dicamba. Herbicide injury on established buffalograss is relatively short‐lived with the exception of imazapic at the 2× rate.

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“…Browned leaf tip tissue did not recover, but rather was replaced by the presence of new leaf growth from existing tillers, thus reducing injury ratings. In irrigated buffalograss stands, mixtures of 2,4-D and dicamba also exhibited very little phytotoxicity (Van Dyke and Johnson 2009). At the same a Abbreviations: WAT, weeks after treatment; ACPCR, acid formulation of aminocyclopyrachlor; NIS, nonionic surfactant; MSO, methylated seed oil; DPX-KJM44, methyl ester formulation of aminocyclopyrachlor; LSD, least significant difference value for comparison of any two treatments.…”

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confidence: 99%

Effects of a New Herbicide (Aminocyclopyrachlor) on Buffalograss and Forbs in Shortgrass Prairie

et al. 2012

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Herbicides used to control many forb species in pastures may injure desirable native grass species. Buffalograss, a major component of shortgrass rangeland, often is injured by some growth regulator herbicides, such as 2,4-D and dicamba. Aminocyclopyrachlor (formerly known as DPX-MAT28 and herein termed ACPCR), a new synthetic auxin herbicide chemistry for control of broadleaf weeds, was investigated for injury to buffalograss and control of forbs in shortgrass prairie at varying rates of application. In the season of application, ACPCR at rates of 140 g ai ha−1or less caused buffalograss injury that was either negligible or short-lived, and visual estimates of grass injury were 8% or less at the end of the growing season. At ACPCR rates of 280 g ha−1, more injury was evident at 3 wk after treatment (WAT) than at the end of the season if adequate precipitation was available for new leaf growth. When precipitation was lacking, evidence of injury persisted through to the end of the season when treated at the greatest rate of ACPCR. Buffalograss injury was mainly in the form of browned leaf tips, but total buffalograss dry matter yield was not different between any treatments in either year. The year after treatment, no buffalograss injury was evident from any of the herbicide rates. Final forb control was 97% or greater each year for ACPCR at the 140 and 280 g ha−1rates. In this experiment, rates as low as ACPCR at 140 g ha−1provided excellent forb control and maintained buffalograss productivity.

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Buffalograss Tolerance to Post-Emergence Herbicides in the Intermountain West

Cited by 5 publications

References 2 publications

Buffalograss Exhibits Adequate Turf Tolerance to Postemergence Herbicides Applied During or Shortly After Greenup

Buffalograss Exhibits Adequate Turf Tolerance to Postemergence Herbicides Applied During or Shortly After Greenup

Herbicide Tolerance of Established Buffalograss

Effects of a New Herbicide (Aminocyclopyrachlor) on Buffalograss and Forbs in Shortgrass Prairie

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