Results 151 to 160 of about 2,640 (207)

High Temperatures Are Required for Expression of Metabolic Resistance to Cyhalofop-Butyl in a Biotype of <i>Echinochloa crus-galli</i>. [PDF]

J Agric Food Chem
Cutti L, Simões Araujo AL, Menegol Turra G, Gonsiorkiewicz Rigon CA, Sinigaglia Angonese P, Gallon M, Dayan FE, Gaines TA, Merotto A.   +8 more
europepmc   +1 more source

Degradation and Field Persistence of Imazethapyr

Weed Science, 1990
The volatilization, photolysis, microbial degradation, and field persistence of imazethapyr were studied using formulated and14C-labeled imazethapyr. Volatilization losses from soil were less than 2%. Photodecomposition losses of up to 8% occurred from soil and up to 52% from a glass slide with no soil. Significantly greater photodecomposition occurred
Andrew J. Goetz, Terry L. Lavy, Edward E. Gbur   +2 more
openaire   +2 more sources

Imazethapyr Efficacy with Adjuvants and Environments

Weed Technology, 1990
Adjuvant effectiveness with imazethapyr for kochia control was generally methylated seed oil ≥ nonionic surfactant ≥ petroleum oil in the greenhouse experiments, and methylated seed oil ≥ petroleum oil nonionic surfactant in the field. Oil adjuvants were applied at 2.3 L ha-1and nonionic surfactants were applied at 0.25% (v/v) of spray volume.
John D. Nalewaja, Jerzy Palczynski, Frank A. Manthey   +2 more
openaire   +2 more sources

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ABIOTIC DEGRADATION OF IMAZETHAPYR IN AQUEOUS SOLUTION

Journal of Environmental Science and Health - Part B Pesticides, Food Contaminants, and Agricultural Wastes, 2002
The photodegradation of imazethapyr [2-(4,5-dihydro-4-méthyl-4-(1-méthylethyl)-5-oxo-1H-imidazol-2-yl)-5-ethyl-3-pyridinecarboxylic acid] in aqueous solution in the presence of titranium dioxide (TiO2) and humic acids (HA) at different ratios of herbicide/TiO2 and herbicide/humic acids was studied at pH 7.0.
M, Elazzouzi, M, Mekkaoui, S, Zaza, M, El Madani, A, Zrineh, J M, Chovelon   +5 more
exaly   +4 more sources

Performance of Imazethapyr on Pulse Crops

Weed Technology, 1990
The potential of imazethapyr as a selective herbicide in four pulse crops was investigated at Melfort, Saskatchewan in 1988 and 1989. Lentil, field pea, faba bean and annual vetch were tolerant to imazethapyr applied preemergence to a silty clay loam soil at 0.05, 0.10, 0.15, and 0.20 kg ai ha-1.
Najib Malik, Lawrence Townley-Smith
openaire   +2 more sources

Effect of Imazethapyr on Perennial Grasses

Weed Technology, 1995
Experiments were conducted near Scottsbluff, NE in 1991 and 1992 to evaluate the selectivity of imazethapyr for weed control in blue grama, intermediate wheatgrass, little bluestem, Russian wildrye, switchgrass, and western wheatgrass. Imazethapyr reduced weed biomass in all seedings and injured all perennial grasses 12 days after treatment (DAT ...
Robert G. Wilson
openaire   +2 more sources

Economic Evaluations of Imazethapyr Rates and Timings on Rice

Weed Technology, 2012
Field studies were conducted in Crowley, LA, and Stoneville, MS, in drill-seeded rice to evaluate economical returns of weed control with imazethapyr. Red rice and barnyardgrass control was evaluated with imazethapyr alone at various rates and application timings. Imazethapyr, averaged across rate, controlled red rice 89% and barnyardgrass 90% when the
Tyler P. Carlson, Eric P. Webster, Michael E. Salassi, Jason A. Bond, Justin B. Hensley, David C. Blouin   +5 more
openaire   +2 more sources

Impact of imazethapyr on the microbial community structure in agricultural soils

Chemosphere, 2010
Large amounts of imazethapyr were applied for weed control in cultivation fields in China, but their effects on the soil microbial community remains unclear. In this study, two agricultural soils, a silty loam (HS) and a loamy soil (QL), were spiked with imazethapyr (CK, 0.1, 1 and 10 mg kg(-1)) and incubated for 1, 15, 30, 60, 90 and 120 d.
Fengshou Dong, Jun Xu, Yongquan Zheng
exaly   +3 more sources

Petroleum Oil and Emulsifier Affect the Phytotoxicity of Imazethapyr

Weed Technology, 1992
Six commercial petroleum oil (PO) adjuvants differed in their enhancement of imazethapyr phytotoxicity to green foxtail and kochia but not to redroot pigweed, when imazethapyr was applied postemergence at 17 g ha–1. Imazethapyr at 5 g ha–1plus 27 combinations of three oils and nine emulsifiers reduced kochia growth by 61 to 88%.
Frank A. Manthey, Robert Matysiak, John D. Nalewaja   +2 more
openaire   +2 more sources

Enantioselectivity in the Phytotoxicity of Herbicide Imazethapyr

Journal of Agricultural and Food Chemistry, 2009
Chiral compounds usually behave enantioselectively in phyto-biochemical processes. With the increasing application of chiral herbicides, their enantioselective phytotoxicity to plants merits further study, and little information is available in this area.
Qingyan, Zhou, Chao, Xu, Yongsong, Zhang, Weiping, Liu   +3 more
openaire   +2 more sources