Zobrazeno 1 - 10
of 20
pro vyhledávání: '"David L. Regehr"'
Autor:
Brian L. S. Olson, M. Joy M. Abit, Patrick W. Geier, Kassim Al-Khatib, Phillip W. Stahlman, Barney W. Gordon, Randall S. Currie, David L. Regehr, Mark M. Claassen
Publikováno v:
Weed Technology. 24:85-90
Field experiments were conducted at Belleville, Colby, Hays, Hesston, Garden City, and Manhattan, KS, to determine grain sorghum response to POST application of mesotrione at three application timings. Mesotrione was applied at 52, 105, 157, and 210
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cdf2ab2cda73cb7fb2981ed2f217174
https://doi.org/10.1614/wt-09-067.1
https://doi.org/10.1614/wt-09-067.1
Autor:
Barney W. Gordon, David L. Regehr, Kassim Al-Khatib, M. Joy M. Abit, Phillip W. Stahlman, Randall S. Currie, Patrick W. Geier, Mitchell R. Tuinstra, Mark M. Claassen
Publikováno v:
Weed Technology. 23:28-33
The selection of herbicide-resistant weeds in grain sorghum production has prompted researchers to explore alternative herbicides to prevent, delay, and manage herbicide-resistant weed biotypes. Greenhouse and field experiments were conducted to eval
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59b4b168a95de13c78e22797bd996eae
https://doi.org/10.1614/wt-08-086.1
https://doi.org/10.1614/wt-08-086.1
Publikováno v:
Weed Science. 52:976-983
Multiple weed species in the field combine to cause yield losses and can be described using one of several empirical models. Field studies were conducted to compare observed corn yield loss caused by common sunflower and shattercane populations with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50c676b1965e2ae82b73f33331b9068e
https://doi.org/10.1614/ws-03-142r
https://doi.org/10.1614/ws-03-142r
Publikováno v:
Weed Science. 52:319-325
Field and greenhouse experiments were conducted to evaluate the efficacy and safening of metsulfuron applied with dicamba, 2,4-D, clopyralid, and fluroxypyr with and without nonionic surfactant. Greenhouse data showed that 2,4-D and dicamba, but not
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::595a92d2733ab282a57f1e02c9ea29a4
https://doi.org/10.1614/p2002-074
https://doi.org/10.1614/p2002-074
Autor:
R. Gordon Harvey, Thomas T. Bauman, Steven A. Gower, David L. Regehr, Bryan G. Young, Mark M. Loux, Wayne Bugg, Marvin B Spaur, Micheal D. K. Owen, John Cardina, James J. Kells, William S. Curran, Norman J. Probst, William G. Johnson, Randall S. Currie, Christy L. Sprague, S. Kent Harrison, Paul L. Sprankle, Mark J. VanGessel, Charles H. Slack
Publikováno v:
Weed Technology. 17:821-828
Field studies were conducted at 35 sites throughout the north-central United States in 1998 and 1999 to determine the effect of postemergence glyphosate application timing on weed control and grain yield in glyphosate-resistant corn. Glyphosate was a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3630050f93ba360417804dc68cceb6f7
https://doi.org/10.1614/p02-200
https://doi.org/10.1614/p02-200
Publikováno v:
Weed Science. 51:810-816
Research was conducted to determine the effects of management practices and precipitation on herbicide loss in surface water runoff. A field runoff experiment was conducted in 1999 and 2000 in Manhattan, KS. Some plots received only natural precipita
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8225446b508dffe74fa993b52597f5ac
https://doi.org/10.1614/2002-07
https://doi.org/10.1614/2002-07
Grain Sorghum Response to Simulated Drift from Glufosinate, Glyphosate, Imazethapyr, and Sethoxydim1
Autor:
David L. Regehr, Kassim Al-Khatib, Phillip W. Stahlman, Stewart R. Duncan, Mark M. Claassen, Patrick W. Geier, William F. Heer
Publikováno v:
Weed Technology. 17:261-265
Field experiments were conducted at four locations in Kansas in 1999 and 2000 to evaluate grain sorghum response to simulated drift rates of four herbicides. Imazethapyr, glufosinate, glyphosate, and sethoxydim were applied at 1/3, 1/10, 1/33, and 1/
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::066ed38b55270d5c3171e23f111da040
https://doi.org/10.1614/0890-037x(2003)017[0261:gsrtsd]2.0.co
https://doi.org/10.1614/0890-037x(2003)017[0261:gsrtsd]2.0.co
Publikováno v:
Weed Technology. 14:133-139
Field experiments were conducted in 1997 and 1998 near Rossville in northeast Kansas to evaluate control of imazethapyr-resistant common sunflower with selected herbicides in corn and soybean. In soybean, common sunflower control was unacceptable wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00f1f1475c0f234ee73022375f9f8378
https://doi.org/10.1614/0890-037x(2000)014[0133:coircs]2.0.co
https://doi.org/10.1614/0890-037x(2000)014[0133:coircs]2.0.co
Autor:
David L. Regehr, Randall S. Currie
Publikováno v:
Weed Technology. 9:676-681
Imazethapyr dose response curves were developed under laboratory and field conditions with the imazethapyr-resistant and -susceptible corn hybrids Pioneer 3180IR, IR denoting a hybrid homozygous for the XA17 gene conferring resistance to imazethapyr,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31af449a5049739799fd7ebca1dcb30f
https://doi.org/10.1017/s0890037x00024040
https://doi.org/10.1017/s0890037x00024040
Autor:
Azeddine El Brahli, David L. Regehr
Publikováno v:
Weed Technology. 9:326-330
Field studies were conducted from 1985 through 1987 to evaluate control of wild jujube, a deciduous, thorny shrub that causes complete wheat and other crop loss by preventing harvest operations. Initial herbicide or sweep tillage treatments were appl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9b040166901705e62e086cfb6a4cde2
https://doi.org/10.1017/s0890037x00023423
https://doi.org/10.1017/s0890037x00023423