The Biology of Downy Brome (<i>Bromus tectorum</i>)

Thill, Donald C.; Beck, Krzysztof; Callihan, R. H.

doi:10.1017/s0043174500060185

Cited by 81 publications

(69 citation statements)

References 28 publications

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“…Invasive winter annual grass control responded to indaziflam treatments in a dose‐dependent manner. The 102 g AI ha −1 concentration is highly effective and should be strongly considered for management of invasive winter annual grasses with a short seed viability (∼3–5 years) . To achieve or increase the success of long‐term invasive winter annual grass control, it is imperative to limit the seed rain during this 3–5 year period and choose management options that provide close to 100% control.…”

Section: Resultsmentioning

confidence: 99%

Indaziflam: a new cellulose‐biosynthesis‐inhibiting herbicide provides long‐term control of invasive winter annual grasses

Sebastian

Fleming

Patterson

et al. 2017

Pest Management Science

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INDAZIFLAM: A NEW CELLULOSE BIOSYNTHESIS INHIBITING HERBICIDE PROVIDES LONG-TERM CONTROL OF INVASIVE WINTER ANNUAL GRASSESInvasive winter annual grasses such as downy brome (Bromus tectorum L.) are a threat to native ecosystems throughout the US. These invasive grasses exploit moisture and nutrients throughout the fall and early spring before native plants break dormancy. This results in decreased native species abundance and development of monotypic stands. Short-term downy brome management has been shown to be effective; however, the soil seed reserve has often been overlooked although it's the mechanism responsible for rapid re-establishment. While glyphosate, imazapic, and rimsulfuron are herbicides commonly recommended to control invasive, annual grasses, their performance is inconsistent, and they can injure desirable perennial grasses. Indaziflam is a recently registered cellulose-biosynthesis inhibiting herbicide, providing broad spectrum control of annual grass and broadleaf weeds. Indaziflam (Esplanade ® , Bayer CropScience) is a cellulose biosynthesis inhibiting (CBI) herbicide that is a unique mode of action for resistance management and has broad spectrum activity at low application rates. At

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Section: Resultsmentioning

confidence: 99%

Indaziflam: a new cellulose‐biosynthesis‐inhibiting herbicide provides long‐term control of invasive winter annual grasses

Sebastian

Fleming

Patterson

et al. 2017

Pest Management Science

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“…However, Griffith & Loik () measured reduced density in plus snow plots in 2006 that persisted throughout the entire growing season, suggesting that a deeper, longer lasting snowpack may result in decreased emergence or survival. B. tectorum can respond dramatically to intraspecific competition, resulting in similar seed production on a per area basis regardless of density (Thill et al ., and references therein). Thus, even if particularly high snow years do result in reductions in B. tectorum density, these effects are likely to be temporary with minimal change in propagule pressure, and little consequence for longer term B. tectorum invasion success (Mazzola et al ., ).…”

Section: Discussionmentioning

confidence: 97%

Global change effects on Bromus tectorum L. (Poaceae) at its high‐elevation range margin

Concilio

Loik

Belnap

2012

Global Change Biology

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Global change is likely to affect invasive species distribution, especially at range margins. In the eastern Sierra Nevada, California, USA, the invasive annual grass, Bromus tectorum, is patchily distributed and its impacts have been minimal compared with other areas of the Intermountain West. We used a series of in situ field manipulations to determine how B. tectorum might respond to changing climatic conditions and increased nitrogen deposition at the high-elevation edge of its invaded range. Over 3 years, we used snow fences to simulate changes in snowpack, irrigation to simulate increased frequency and magnitude of springtime precipitation, and added nitrogen (N) at three levels (0, 5, and 10 g m(-2) ) to natural patches of B. tectorum growing under the two dominant shrubs, Artemisia tridentata and Purshia tridentata, and in intershrub spaces (INTR). We found that B. tectorum seedling density in April was lower following deeper snowpack possibly due to delayed emergence, yet there was no change in spikelet production or biomass accumulation at the time of harvest. Additional spring rain events increased B. tectorum biomass and spikelet production in INTR plots only. Plants were primarily limited by water in 2009, but colimited by N and water in 2011, possibly due to differences in antecedent moisture conditions at the time of treatments. The threshold at which N had an effect varied with magnitude of water additions. Frequency of rain events was more influential than magnitude in driving B. tectorum growth and fecundity responses. Our results suggest that predicted shifts from snow to rain could facilitate expansion of B. tectorum at high elevation depending on timing of rain events and level of N deposition. We found evidence for P-limitation at this site and an increase in P-availability with N additions, suggesting that stoichiometric relationships may also influence B. tectorum spread.

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“…Germination, growth, and development of downy brome is similar to winter wheat thus there are few effective controls in wheat (Thill et al 1984;Wicks 1984). MON 37500 is a new sulfonylurea herbicide that selectively controls the Bromus complex, including downy brome, Japanese brome (Bromus japonicus Thunb.…”

Section: Introductionmentioning

confidence: 99%

MON 37500 Soil Residues Affect Rotational Crops in the High Plains¹

Lyon¹,

Miller²,

Seifert-Higgins³

2003

Weed Technology

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MON 37500 is a sulfonylurea herbicide that selectively controls Bromus spp. in winter wheat. Field studies were conducted near Sidney, NE, and Archer, WY, to determine the sensitivity of corn, foxtail millet, grain sorghum, proso millet, and sunflower to soil residues of MON 37500. MON 37500 was applied to winter wheat at 0, 35, 69, and 139 g/ha in the autumn of 1997. Rotational crops were no-till seeded into the standing residues of the previous year's crop from 1999 through 2001. Grain yields for corn, foxtail millet, and proso millet planted 18 to 20 mo after herbicide application were not affected by soil residues of MON 37500. In contrast, average grain yields of grain sorghum were reduced from 1,760 to 30 kg/ha at Archer and from 4,480 to 390 kg/ha at Sidney as MON 37500 rates increased from 0 to 139 g/ha. Thirty to 32 mo after herbicide application, average grain yields of grain sorghum were reduced from 2,360 to 620 kg/ha at Sidney and average aboveground biomass was reduced from 4,000 to 1,800 kg/ha at Archer as MON 37500 rates increased from 0 to 139 g/ha. Nineteen to 20 mo after herbicide application, average sunflower seed yields were reduced from 1,450 to 20 kg/ha at Archer and from 1,830 to 540 kg/ha at Sidney as MON 37500 rates increased from 0 to 139 g/ha. Visual injury was observed 31 to 32 mo after herbicide application, but drought in 2000 prevented collection of seed yield data. In the High Plains, foxtail millet, proso millet, and corn may be successfully grown 18 to 20 mo after the application of MON 37500 to winter wheat. Successful production of grain sorghum and sunflower may require a minimum recrop interval between treatment and planting of >36 mo.

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The Biology of Downy Brome (Bromus tectorum)

Cited by 81 publications

References 28 publications

Indaziflam: a new cellulose‐biosynthesis‐inhibiting herbicide provides long‐term control of invasive winter annual grasses

Indaziflam: a new cellulose‐biosynthesis‐inhibiting herbicide provides long‐term control of invasive winter annual grasses

Global change effects on Bromus tectorum L. (Poaceae) at its high‐elevation range margin

MON 37500 Soil Residues Affect Rotational Crops in the High Plains¹

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The Biology of Downy Brome (Bromus tectorum)

Cited by 81 publications

References 28 publications

Indaziflam: a new cellulose‐biosynthesis‐inhibiting herbicide provides long‐term control of invasive winter annual grasses

Indaziflam: a new cellulose‐biosynthesis‐inhibiting herbicide provides long‐term control of invasive winter annual grasses

Global change effects on Bromus tectorum L. (Poaceae) at its high‐elevation range margin

MON 37500 Soil Residues Affect Rotational Crops in the High Plains1

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MON 37500 Soil Residues Affect Rotational Crops in the High Plains¹