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Integrating Herbicide Resistant Corn Zea Mays Into Weed Management Systems For Michigan
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Book Synopsis Integrating Herbicide Resistant Corn (Zea Mays) Into Weed Management Systems for Michigan by : Brent Edward Tharp
Download or read book Integrating Herbicide Resistant Corn (Zea Mays) Into Weed Management Systems for Michigan written by Brent Edward Tharp and published by . This book was released on 2000 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Evaluation of Postemergence Weed Control Options in Herbicide Resistant Isolines of Corn (Zea Mays) by : Karen A. Zuver
Download or read book An Evaluation of Postemergence Weed Control Options in Herbicide Resistant Isolines of Corn (Zea Mays) written by Karen A. Zuver and published by . This book was released on 2002 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Weed Management and Nitrogen Loss in Glyphosate-resistant Corn (Zea Mays) by : Chad Lee Smith
Download or read book Weed Management and Nitrogen Loss in Glyphosate-resistant Corn (Zea Mays) written by Chad Lee Smith and published by . This book was released on 2009 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of glyphosate-resistant corn in Missouri has changed traditional reemergence (PRE) followed by postemeregence (POST) herbicide programs to ones that predominately utilize glyphosate POST. POST only programs can allow early season weed competition. The objective was to determine the efficacy of one and two-pass programs using PRE and POST herbicides in glyphosate-resistant corn and to quantitate the nitrogen loss from various application timings in POST glyphosate weed control. The first study composed of one-pass and two-pass herbicide weed control programs. Weed control failures occurred 29% more often using one-pass systems compared to two-pass programs utilizing PREs and yield reductions occurred more often in one-pass systems. Overall, two-pass systems which included the use of a PRE herbicide resulted in more consistent weed control across all species than one-pass POST treatments. The second study consisted of PRE herbicide treatments to favor grass, broadleaf, or mixed weed populations at multiple glyphosate application timings. To document nitrogen loss, weed biomass, leaf chlorophyll meter readings, and stalk nitrate testing was measured. Grass weeds were more detrimental to yield than broadleaf weeds. Chlorophyll meter readings documented nitrogen deficiency between treatments. Corn leaf chlorophyll meter readings taken at tasseling correlated strongly to the resultant grain yield (R2 [greater than or equal to] .84). Higher year-end stalk nitrate accumulations were reflective of higher grain yield.
Book Synopsis Evalutation of Weed Management in Glyphosate-Resistant Corn (Zea Mays) as Affected by Preemergence Herbicide, Timing of Postemergence Herbicide Application, and Glyphosate Products by :
Download or read book Evalutation of Weed Management in Glyphosate-Resistant Corn (Zea Mays) as Affected by Preemergence Herbicide, Timing of Postemergence Herbicide Application, and Glyphosate Products written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Cotton and soybean resistant to glyphosate are widely planted in the United States. Ninety-five percent of the cotton and 85% of the soybean in North Carolina is glyphosate-resistant (GR). Rapid adoption of the technology is attributed to broad spectrum weed control, convenience of glyphosate-based weed management systems, and greater rotational crop flexibility. Corn resistant to glyphosate is less widely grown, but plantings are expected to increase. Wide-spread planting of GR crops in the United States and glyphosate patent expiration has led to a proliferation of glyphosate products. Growers have questioned their advisors on efficacy and crop tolerance of many of these products. Field experiments were conducted to evaluate 10 glyphosate products, representing isopropylamine, diammonium, and potassium salts, applied postemergence (POST) and postemergence-directed (PDIR) at 630 and 1680 g ae/ha for GR corn and GR cotton tolerance and weed control. There were no differences among products for control of six annual grass and 10 annual broadleaf weed species. No injury to corn from any glyphosate product at 630 or 1680 g/ha or to cotton from 630 g/ha was noted at any of seven locations. ClearOut 41 Plus"! an isopropylamine salt of glyphosate, and Roundup WEATHERMAX"! a potassium salt of glyphosate, applied POST at 1680 g/ha injured cotton 27 to 30% and 10 to 17%, respectively, at 3 of 7 locations. No cotton injury was noted with Glyfos®, Glyfos® X-TRA, Glyphomax"! Gly Star"!Original, Roundup Original"! Roundup UltraMAX®, Touchdown®, or Touchdown Total"! No differences were noted among glyphosate products or between rates for corn or cotton yield or cotton fiber properties. Field studies were conducted at six sites during 2002 and 2003 to evaluate weed control and glyphosate-resistant corn response to glyphosate and nicosulfuron plus atrazine applied POST as affected by PRE herbicide and timing of POST herbicide.
Book Synopsis Efficacy and Economics of Weed Management Systems in Corn (Zea Mays L.) by : Joel S. Lee
Download or read book Efficacy and Economics of Weed Management Systems in Corn (Zea Mays L.) written by Joel S. Lee and published by . This book was released on 2001 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improving Weed Management and Crop Productivity in Maize Systems in Zimbabwe by : Arnold Bray Mashingaidze
Download or read book Improving Weed Management and Crop Productivity in Maize Systems in Zimbabwe written by Arnold Bray Mashingaidze and published by . This book was released on 2004 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Span lang=EN-GB style='mso-ansi-language:EN-GB'It was concluded that cultural weed management techniques that enhance radiation capture by the crop were effective in suppressing weed growth and seed production and increasing crop yields and should be incorporated into smallholder farmer's production practices in a systematic manner as part of Integrated Weed Management and cropping system design.
Book Synopsis Herbicide Tolerance and Weed Control in Corn [Zea Mays L.] with Isoxaflutole by : Christy Leigh Sprague
Download or read book Herbicide Tolerance and Weed Control in Corn [Zea Mays L.] with Isoxaflutole written by Christy Leigh Sprague and published by . This book was released on 1999 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evalutation of Weed Management in Glyphosate-resistant Corn (Zea Mays) as Affected by Preemergence Herbicide, Timing of Postemergence Herbicide Application, and Glyphosate Products by : Robert Gary Parker
Download or read book Evalutation of Weed Management in Glyphosate-resistant Corn (Zea Mays) as Affected by Preemergence Herbicide, Timing of Postemergence Herbicide Application, and Glyphosate Products written by Robert Gary Parker and published by . This book was released on 2004 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: Roundup WEATHERMAX, Roundup UltraMAX, diammonium salt of glyphosate, potassium salt of glyphosate, Roundup Original, Glyfos X-TRA, Glyphomax, Gly Star Original, isopropylamine salt of glyphosate, weed control, Touchdown Total, Touchdown, ClearOut 41 Plus, crop tolerance, Glyfos.
Book Synopsis Evaluation of Transgenic Corn (Zea Mays L.) Resistant to Both Glyphosate and Western Corn Rootworm (Diabrotica Virgifera Virgifera LeConte) in Michigan by : Kathrin Schirmacher
Download or read book Evaluation of Transgenic Corn (Zea Mays L.) Resistant to Both Glyphosate and Western Corn Rootworm (Diabrotica Virgifera Virgifera LeConte) in Michigan written by Kathrin Schirmacher and published by . This book was released on 2007 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Critical Time for Weed Removal in Corn (Zea Mays L.) as Influenced by Pre Herbicides by : Ayse Nur Ulusoy
Download or read book Critical Time for Weed Removal in Corn (Zea Mays L.) as Influenced by Pre Herbicides written by Ayse Nur Ulusoy and published by . This book was released on 2019 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: A weed control program that utilizes PRE herbicides and ensures a timely post-emergence weed removal could protect growth and yield of corn. The use of pre-emergence (PRE) herbicides for weed control could reduce the need for multiple POST applications of glyphosate in glyphosate-tolerant (GT) corn and provide an additional mode of action for combating glyphosate-resistant weeds. Thus, field studies were conducted in 2017 and 2018 at Concord, NE with the following objectives develop weed management recommendations that considers soil applied herbicides and determine proper timing of glyphosate based on the crop growth stage. Therefore the material in this thesis is presented in three chapters: Chapter 1 outlines the integrated weed management, critical period of weed control, and pre-emergence (PRE) or post-emergence (POST) herbicide use in corn. Chapter 2 determines the critical time for weed removal in glyphosate-tolerant corn without pre-emergence (PRE) herbicide and atrazine or Verdict-Zidua applied pre-emergence (PRE). Chapter 3 determines how the timing of weed removal and PRE herbicides application could influence growth and yield of glyphosate-tolerant corn.
Book Synopsis Weed Management in Sethoxydim-resistant Corn (Zea Mays) by : Bryant McCoy Spivey
Download or read book Weed Management in Sethoxydim-resistant Corn (Zea Mays) written by Bryant McCoy Spivey and published by . This book was released on 2001 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparisons of Weed Management Systems on Conventional and Herbicide Resistant Corn by : Jason S. Williams
Download or read book Comparisons of Weed Management Systems on Conventional and Herbicide Resistant Corn written by Jason S. Williams and published by . This book was released on 2001 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Summit on Strategies to Manage Herbicide-Resistant Weeds by : National Research Council
Download or read book National Summit on Strategies to Manage Herbicide-Resistant Weeds written by National Research Council and published by National Academies Press. This book was released on 2012-10-22 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preserving the efficacy of herbicides and of herbicide-resistance technology depends on awareness of the increasing resistance of weeds to herbicides used in agriculture and coordinated action to address the problem by individuals at the farm level and beyond. This summit served as a venue to bring the attention of important stakeholders to the issue and as an opportunity for experts from diverse disciplines to strategize in a coordinated way to address herbicide-resistant weeds. In convening stakeholders for this event, participants took a step toward a recommendation from the 2010 National Research Council report The Impact of Genetically Engineered Crops on Farm Sustainability in the United States that federal and state government agencies, private-sector technology developers, universities, farmer organizations, and other relevant stakeholders collaborate to document emerging weed-resistance problems and to develop cost-effective resistance-management programs and practices that preserve effective weed control. The summit provided the opportunity for stakeholders to explore the scientific basis of the emergence of herbicide resistance and to consider different perspectives on both opportunities and barriers to overcoming the problem of herbicide-resistant weeds. National Summit on Strategies to Manage Herbicide-Resistant Weeds contains a brief synopsis of key points made by each speaker at the summit.
Book Synopsis Grass Competition for Nitrogen and Weed Management in No-tillage Herbicide-resistant Corn (Zea Mays L.) by : Kaleb Burk Hellwig
Download or read book Grass Competition for Nitrogen and Weed Management in No-tillage Herbicide-resistant Corn (Zea Mays L.) written by Kaleb Burk Hellwig and published by . This book was released on 2001 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tolerance and Weed Management Systems in Imidazolinone Tolerant Corn (Zea Mays L.) by : Ann Marie Thompson
Download or read book Tolerance and Weed Management Systems in Imidazolinone Tolerant Corn (Zea Mays L.) written by Ann Marie Thompson and published by . This book was released on 1999 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Weed Management in Glufosinate- and Glyphosate-tolerant Corn (Zea Mays) by : Pauley Ray Bradley
Download or read book Weed Management in Glufosinate- and Glyphosate-tolerant Corn (Zea Mays) written by Pauley Ray Bradley and published by . This book was released on 1999 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improving Weed Management and Crop Productivity in Maize Systems in Zimbabwe by : Arnold B. Mashingaidze
Download or read book Improving Weed Management and Crop Productivity in Maize Systems in Zimbabwe written by Arnold B. Mashingaidze and published by . This book was released on 2004 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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