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Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/92/3/460 Last checked: 12/14/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website https://dl.sciencesocieties.org/publications/aj/articles/92/3/460 Last checked: 12/14/2016 Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Beran, Daniel D.;
Masters, Robert A.;
Gaussoin, Roch E.;
Rivas-Pantoja, Fernando |
Author Affiliation: | Beran, Masters and Gaussoin: Department of Agronomy, University of Nebraska-Lincoln, Lincoln, NE; and Rivas-Pantoja: Instituto Nacional de Investigaciones Forestales y Agropecuarias, Merida, Yucatan, Mexico |
Title: | Establishment of big bluestem and Illinois bundleflower mixtures with imazapic and imazethapyr |
Section: | Forage management Other records with the "Forage management" Section
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Source: | Agronomy Journal. Vol. 92, No. 3, May/June 2000, p. 460-465. |
Publishing Information: | Madison, WI: American Society of Agronomy |
# of Pages: | 6 |
Keywords: | TIC Keywords: Establishment; Andropogon gerardii; Desmanthus illinoensis; Native grasses; Legumes; Imazapic; Imazethapyr; Weed control; Application rates; Canopy; Precipitation; Density; Herbicides; Herbicide evaluation; Seed mixtures; Regional variation; Plant density; Seeding rate
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Abstract/Contents: | "Weeds interfere with establishment of native grasses and legumes. A study was conducted to determine the influence of imazapic¹ [(±)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1< >H-imidazol-2-yl]-5-methyl-3-pyridinecarboxylic acid] and imazethapyr [2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-im< >idazol-2-yl]5-ethyl-3-pyridinecarboxylic acid] on weed control and establishment of 'Pawnee' big bluestem (Andropogon gerardii Vitman var. gerardii Vitman) and Illinois bundleflower [Desmanthus illinoensis (Michx.) MacMill.] planted in three binary mixtures of 220:110, 165:165, and 110:220 pure live seed (PLS) m⁻². Mixtures were seeded at cropland sites near Clay Center, Mead, and Lincoln, NE. Imazapic and imazethapyr were applied at 70 g a.i. ha⁻¹ before planted species emerged. Imazapic or imazethapyr did not reduce dry matter yields of annual grass weeds, where herbicides were applied in April 1996 at Mead and Clay Center. Both grass and broadleaf weeds were controlled at Lincoln, where herbicides were applied in early June 1996. The herbicides usually improved big bluestem yields and total forage yields in 1996 and 1997 at all sites. Illinois bundleflower yields at Lincoln, where imazapic and imazethapyr were applied, were greater than 3.0 Mg ha⁻¹ in 1996 and 1997. In 1997, Illinois bundleflower did not survive at Mead and yielded less than 0.5 Mg ha⁻¹ at Clay Center, regardless of weed control treatment or seed mixture. Imazapic and imazethapyr can improve the establishment of big bluestem and Illinois bundleflower mixtures." |
Language: | English |
References: | 27 |
Note: | Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Beran, D. D., R. A. Masters, R. E. Gaussoin, and F. Rivas-Pantoja. 2000. Establishment of big bluestem and Illinois bundleflower mixtures with imazapic and imazethapyr. Agron. J. 92(3):p. 460-465. |
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| Web URL(s): https://dl.sciencesocieties.org/publications/aj/pdfs/92/3/460 Last checked: 12/14/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website https://dl.sciencesocieties.org/publications/aj/articles/92/3/460 Last checked: 12/14/2016 Access conditions: Item is within a limited-access website |
| MSU catalog number: S 22 .A45 |
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