Results 171 to 180 of about 672 (184)
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Lactofen induces isoflavone accumulation and glyceollin elicitation competency in soybean
Phytochemistry, 2003Lactofen, the active ingredient of the soybean disease resistance-inducing herbicide, Cobra, induces large accumulations of isoflavone conjugates and aglycones in soybean tissues. The predominant isoflavones induced in cotyledon tissues are daidzein (and its conjugates) and formononetin and glycitein aglycones.
Serena, Landini +2 more
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Soybean Flower and Pod Response to Fomesafen, Acifluorfen, and Lactofen
Weed Technology, 2018AbstractDiphenyl ether herbicides are commonly applied POST in soybean to control weeds late in the growing season that have not been controlled by other previous weed management tactics. These “rescue” applications can occur during reproductive soybean growth. The effect of these herbicides on the developing flowers and pods is not known.
Shawn C. Beam +2 more
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Soybean [Glycine max(L.)] Response to Lactofen
Weed Science, 1993Field studies were conducted in 1987 and 1988 to evaluate the vegetative response of soybeans to early postemergence applications of lactofen and to measure crop recovery. Soybean injury 4 d after treatment (DAT) averaged 29 and 34% with 0.22 and 0.44 kg ai ha−1of lactofen, respectively.
Rex A. Wichert, Ronald E. Talbert
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Effect of Acifluorfen and Lactofen Application Timing on Peanut Injury and Yield
Crop Management, 2011More emphasis is being placed on protoporphyrinogen oxidase (PPO)‐inhibiting herbicides such as acifluorfen and lactofen for the control of acetolactate synthase (ALS)‐resistant weeds. The objective of this research was to determine the visual injury, canopy development, and yield losses from these herbicides applied to peanuts post‐emergence ...
J. A. Boyer +4 more
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Effect of Lactofen Application Timing on Yield and Isoflavone Concentration in Soybean Seed
Agronomy Journal, 2007Postemergence application of the herbicide lactofen is known to increase phenolic compounds such as isoflavones in soybean [Glycine max (L.) Merr.] plants. We hypothesized that lactofen increases isoflavone levels in seed when applied at the R1 and R5 stages of development. Field research evaluated the effect of lactofen application timing and cultivar
Kelly A. Nelson +2 more
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Growth Regulation with Lactofen Does Not Affect Seed Yield of Irrigated Soybean
Agronomy Journal, 2016Soybean [Glycine max (L.) Merr.] producers have considered the use of lactofen herbicide (2‐ethoxy‐1‐methyl‐2‐oxoethyl 5‐[2‐chloro‐4‐(trifluoromethyl)phenoxy]‐2‐nitrobenzoate) as a growth regulator part of management systems for high‐yielding soybean, believing that lactofen can reduce plant height and lodging or increase node number. Previous research
J. Paul Mangialardi +7 more
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Foliar washoff and runoff losses of lactofen, norflurazon, and fluometuron under simulated rainfall
Journal of Agricultural and Food Chemistry, 1994Lactofen [(~~-2-ethoxy-l-methyl-2-oxoethyl5-[2-chloro-4-(trifluoromethyl)phenoxyl-2-nitrobenzoatel washoff from velvetleaf (Abutilon theophrasti Medic.) and common cocklebur (Xanthium strumarium L.) foliage was investigated. Plants were sprayed with lactofen at 0.4 kg of ai ha-l and subjected to 2.5 cm of rainfall in 20 min at 1 and 24 h after ...
Krishna N. Reddy +2 more
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Weed Science, 2005
Abstract Studies were conducted to determine acifluorfen and lactofen absorption, translocation, and metabolism in protox-inhibiting herbicide-susceptible and -resistant common waterhemp. Acifluorfen and lactofen absorption was similar in both biotypes. Herbicide absorption was 12% in both susceptible and resistant common waterhemp 6 h after treatment (
Douglas E. Shoup, Kassim Al-Khatib
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Abstract Studies were conducted to determine acifluorfen and lactofen absorption, translocation, and metabolism in protox-inhibiting herbicide-susceptible and -resistant common waterhemp. Acifluorfen and lactofen absorption was similar in both biotypes. Herbicide absorption was 12% in both susceptible and resistant common waterhemp 6 h after treatment (
Douglas E. Shoup, Kassim Al-Khatib
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Early‐Season Lactofen Application has Limited Effect on Soybean Branch and Mainstem Yield Components
Crop Science, 2016ABSTRACTRecent interest in maximizing soybean [Glycine max (L.) Merr.] yield has led producers to seek management strategies to affect soybean yield components. One strategy that has been pursued is application of diphenyl ether herbicides, such as lactofen, to early‐vegetative soybean to kill the apical meristem in an effort to increase soybean ...
John M. Orlowski +2 more
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