Search Results - "Becker, Roger L."

Pennycress as a Cash Cover-Crop: Improving the Sustainability of Sweet Corn Production Systems by Moore, Sarah A., Wells, M. Scott, Gesch, Russ W., Becker, Roger L., Rosen, Carl J., Wilson, Melissa L.

“…Commercial sweet corn (Zea mays convar. saccharata var. rugosa) production has a proportionally high potential for nutrient loss to waterways, due to its high…”
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Comparison of methods to recover amaranth weed seeds from manure by Wilson, Melissa L., Brusa, Anthony, Christensen, Hatley, Strack, Samuel, Alto, Eddie, Allen, Luis F., Cortus, Scott D., Modderman, Chryseis, Becker, Roger L.

“…One pathway by which Palmer amaranth (Amaranthus palmeri S. Watson) invades new areas is through importation of contaminated livestock feed, which then…”
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Efficacy and Tolerance to HPPD-Inhibiting Herbicides in Sweet Corn by Bollman, Joseph D, Boerboom, Chris M, Becker, Roger L, Fritz, Vince A

“…The use of POST herbicides has been limited in sweet corn because of the narrow spectrum of weed control or potential crop injury. Field experiments were…”
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Management of pennycress as a winter annual cash cover crop. A review by Cubins, Julija A., Wells, M. Scott, Frels, Katherine, Ott, Matthew A., Forcella, Frank, Johnson, Gregg A., Walia, Maninder K., Becker, Roger L., Gesch, Russ W.

“…Agriculture in the Upper Midwest of the USA is characterized by a short growing season and unsustainable farming practices including low-diversity cropping…”
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Benefits and risks of gene drives for invasive plant management - the case for common tansy by Croghan, Lori, Smith, Alan G., Tancos, Matthew A., Anderson, Neil O., Becker, Roger L.

“…Invasive plants cause significant environmental and economic damage, but land managers have few control options. Common tansy ( Tanacetum vulgare ) is…”
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Seedbank Depletion and Emergence Patterns of Giant Ragweed (Ambrosia trifida) in Minnesota Cropping Systems by Goplen, Jared J., Sheaffer, Craig C., Becker, Roger L., Coulter, Jeffrey A., Breitenbach, Fritz R., Behnken, Lisa M., Johnson, Gregg A., Gunsolus, Jeffrey L.

“…In the midwestern United States, biotypes of giant ragweed resistant to multiple herbicide biochemical sites of action have been identified. Weeds with…”
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Giant Ragweed (Ambrosia trifida) Seed Production and Retention in Soybean and Field Margins by Goplen, Jared J, Sheaffer, Craig C, Becker, Roger L, Coulter, Jeffrey A, Breitenbach, Fritz R, Behnken, Lisa M, Johnson, Gregg A, Gunsolus, Jeffrey L

“…As herbicide-resistant weed populations become increasingly problematic in crop production, alternative strategies of weed control are necessary. Giant…”
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Giant Ragweed (Ambrosia trifida) Emergence Model Performance Evaluated in Diverse Cropping Systems by Goplen, Jared J, Sheaffer, Craig C, Becker, Roger L, Moon, Roger D, Coulter, Jeffrey A, Breitenbach, Fritz R, Behnken, Lisa M, Gunsolus, Jeffrey L

“…Accurate weed emergence models are valuable tools for scheduling planting, cultivation, and herbicide applications. Multiple models predicting giant ragweed…”
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Yield, Nutritive Value, and Profitability of Direct‐Seeded Annual Forages following Spring‐Terminated Alfalfa by Noland, Reagan L., Sheaffer, Craig C., Coulter, Jeffrey A., Becker, Roger L., Wells, M. Scott

“…Core Ideas Forage yield increased with fertilizer N only when conditions were cool and wet. Weed biomass was frequently increased with the addition of…”
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Winter survival of late emerging purple loosestrife (Lythrum salicaria) seedlings by Katovich, Elizabeth J. Stamm, Becker, Roger L., Byron, Jane L.

“…In wetlands, drought or managed late-summer drawdowns create exposed mudflats that provide an excellent substrate for germination of purple loosestrife seeds…”
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Economic Performance of Crop Rotations in the Presence of Herbicide‐Resistant Giant Ragweed by Goplen, Jared J., Coulter, Jeffrey A., Sheaffer, Craig C., Becker, Roger L., Breitenbach, Fritz R., Behnken, Lisa M., Gunsolus, Jeffrey L.

“…Core Ideas Crop rotations containing alfalfa produced the greatest economic net return.Crop rotations with alfalfa stochastically dominated all other crop…”
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Effect of Galerucella spp. feeding on seed production in purple loosestrife by Stamm Katovich, Elizabeth J., Ragsdale, David W., Skinner, Luke C., Becker, Roger L.

“…The effect of shoot feeding by the biocontrol agents, Galerucella calmariensis and Galerucella pusilla (Coleoptera: Chrysomelidae) on purple loosestrife…”
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Impact of Narrow Row Production on Yield Recovery, Nitrogen Use Efficiency, and Weed Competition in Sweet Corn by Fritz, Vincent A, Rosen, Carl J, Becker, Roger L

“…The processing industry is beginning to adopt narrow row configurations for sweet corn production thinking that plants spaced more equidistant will compete…”
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Giant Ragweed Emergence Pattern Influenced by Spring Tillage Timing in Minnesota by Goplen, Jared J., Sheaffer, Craig C., Becker, Roger L., Coulter, Jeffrey A., Breitenbach, Fritz R., Behnken, Lisa M., Gunsolus, Jeffrey L.

“…Core Ideas Delayed pre‐plant tillage effectively controls herbicide‐resistant giant ragweed. Spring tillage did not affect total giant ragweed emergence. Early…”
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Genetic Relationships among Weedy Purple Loosestrife (Lytrhum salicaria L.) Populations and Cultivars by Strefeler, Mark S, Darmo, Elizabeth, Becker, Roger L, Katovich, Elizabeth J

“…Starch gel electrophoresis of plant proteins was used to genetically identify purple loosestrife ( Lythrum spp.) cultivars and weedy populations. Preliminary…”
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Isozyme characterization of genetic diversity in Minnesota populations of purple loosestrife, Lythrum salicaria (Lythraceaae) by Strefeler, M.S. (University of Minnesota, Saint Paul, MN.), Darmo, E, Becker, R.L, Katovich, E.J

“…Starch gel electrophoresis of plant proteins was used to identify purple loosestrife (Lythrum spp.) cultivars and weedy populations. Preliminary determinations…”
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Isozyme Variation in Cultivars of Purple Loosestrife (Lythrum sp.) by Strefeler, Mark S, Darmo, Elizabeth, Becker, Roger L, Katovich, Elizabeth J

“…Isozyme markers were used to identify several cultivars of purple loosestrife (Lythrum spp.) and interspecific hybrids. There were three zones of activity for…”
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Sorption and Desorption of Imazethapyr and 5-Hydroxyimazethapyr in Minnesota Soils by Gan, Jianying, Weimer, Monte R., Koskinen, William C., Buhler, Douglas D., Wyse, Donald L., Becker, Roger L.

“…Laboratory batch equilibrium studies were conducted to evaluate the sorption-desorption behavior of imazethapyr and its major plant metabolite,…”
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Reduction of purple loosestrife establishment in Minnesota wetlands by Welling, Charles H., Becker, Roger L.

“…It was determined whether establishment of loosestrife through recruitment from seed banks can be controlled by application of selective herbicide to seedling…”
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Effect of Galerucella spp. feeding on seed production in purple loosestrife by Stamm Katovich, Elizabeth J., Ragsdale, David W., Skinner, Luke C., Becker, Roger L.

“…The effect of shoot feeding by the biocontrol agents, Galerucella calmariensis and Galerucella pusilla (Coleoptera: Chrysomelidae) on purple loosestrife…”
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