Results 161 to 170 of about 24,214 (193)

Sensitivity Assessment of Caligus rogercresseyi to Emamectin Benzoate in Chile

Aquaculture, 2008
Abstract The ectoparasitic copepod Caligus rogercresseyi , as distributed in the south of Chile, is the most important parasite of farmed salmonids because of the substantial, negative effects on survival, growth and increased susceptibility to infections, and this results in severe economic effects in seawater aquaculture.
Sandra Bravo, Tor E Horsberg
exaly   +5 more sources

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Immobility of Emamectin Benzoate in Soils

Journal of Agricultural and Food Chemistry, 1996
The soil mobility of 4‘‘-deoxy-4‘‘-(epi-methylamino)avermectin B1a (MAB1a) benzoate, the major (>90%) component of emamectin benzoate (MK-0244), was determined by a batch equilibrium technique and also by thin layer chromatography (TLC). Four concentrations of [3H]MAB1a benzoate (10−650 ng/5 mL) in calcium chloride solution were equilibrated with 1 g ...
Mohammad Mushtaq, William F. Feely, Loretta R. Syintsakos, Peter G. Wislocki   +3 more
openaire   +1 more source

The potential immunotoxicity of emamectin benzoate on the human THP‐1 macrophages

Environmental Toxicology, 2022
AbstractEmamectin benzoate (EMB) as one of the typical biological pesticides has a wide range of applications in agriculture. However, the immune toxic effects of EMB in human received limited attention. In our study, THP‐1 macrophage as an in vitro model was used to evaluate immune functions exposed to EMB.
Ziyi Wei, Weiguo Wang, Wen Fu, Ping Zhang, Hao Feng, Wenping Xu, Liming Tao, Zhong Li, Yang Zhang, Xusheng Shao   +9 more
openaire   +2 more sources

Toxicities of Emamectin Benzoate Homologues and Photodegradates to Lepidoptera

Journal of Economic Entomology, 2002
The toxicity of a number of emamectin benzoate homologues and photodegradates to five species of Lepidoptera was investigated using diet and foliar bioassays. The emamectin benzoate homologues B1a and B1b were equally toxic in the diet and foliar assays to Spodoptera exigua (Hübner), Heliothis virescens (F.), Tricoplusia ni (Hübner), and Spodoptera ...
Joseph A, Argentine, Richard K, Jansson, Van R, Starner, W Ross, Halliday   +3 more
openaire   +2 more sources

Metabolic Fate of Emamectin Benzoate in Soil

Journal of Agricultural and Food Chemistry, 1997
Aerobic and anaerobic incubation of microbially active soil with [14C]MAB1a resulted in measurable evolution of 14CO2. Chromatographic and mass spectral analyses of extractable residues demonstrated the degradation of [14C]MAB1a to 8aOH-MAB1a and 8aoxo-MAB1a. The highest levels of 8aOH-MAB1a and 8aoxo-MAB1a were found at the 60-day incubation interval,
Amechi C. Chukwudebe, Rebecca H. Atkins, Peter G. Wislocki   +2 more
openaire   +1 more source

Photodegradation of Emamectin Benzoate in Aqueous Solutions

Journal of Agricultural and Food Chemistry, 1998
The half-life of [14C]4‘‘-deoxy-4‘‘-(epi-methylamino)avermectin B1a (MAB1a) benzoate (1 ppm) photodegradation in buffer (pH 7), natural pond water, and sensitized buffer (1% acetone in pH 7 buffer) determined at Three Bridges, NJ (latitude ∼40° N) during the fall season under natural sunlight was 22, 7, and 1 days, respectively.
Mohammad Mushtaq, Amechi C. Chukwudebe, Christopher Wrzesinski, Loretta R. S. Allen, Debra Luffer-Atlas, Byron H. Arison   +5 more
openaire   +1 more source

Dissipation and Residue Behavior of Emamectin Benzoate on Apple and Cabbage Field Application

Ecotoxicology and Environmental Safety, 2012
A LC-ESI-MS/MS method with QuEChERS for analysis of emamectin benzoate in cabbage, apple and soil was established. At fortification levels of 0.001, 0.01 and 0.1 mg/kg in cabbage, apple and soil, it was shown that recoveries ranged from 75.9 to 97.0 percent with relative standard deviation (RSD) of 4.4-19.0 percent. The limit of quantification (LOQ) was
Yanjie Li, Canping Pan, Pengyue Zhao
exaly   +3 more sources

Fate of [14C]Emamectin Benzoate in Head Lettuce

Journal of Agricultural and Food Chemistry, 1995
The fate of [ 14 C]emamectin benzoate in head lettuce was investigated. Two treatment groups, at a 1x (0.015 lb of active ingredient/acre) or a 5x rate, received eight weekly applications. Plants were harvested from 2 h to 10 days after the last application.
Louis S. Crouch, William F. Feely
openaire   +1 more source

Toxicity of emamectin benzoate to mallard duck and northern bobwhite quail

Environmental Toxicology and Chemistry, 1998
Abstract Nineteen- to 26-week-old mallard ducks (Anas platyrhynchos) were found to be more sensitive than northern bobwhite quail (Colinus virginianus) of the same age to single oral doses of emamectin benzoate. The resulting median lethal dose values determined for emamectin benzoate to mallard duck and northern bobwhite quail were 76 ...
Amechi C. Chukwudebe, Joann B. Beavers, Mark Jaber, Peter G. Wislocki   +3 more
openaire   +1 more source

Persistence and risk assessment of emamectin benzoate residues on okra fruits and soil

Environmental Technology, 2014
Emamectin benzoate, a synthetic derivative of abamectin, is found effective against fruit borer and jassid in okra crops. The present studies were carried out to study the dissipation pattern of emamectin benzoate on okra and to suggest a suitable waiting period for the safety of consumers. Following three applications of emamectin benzoate (Proclaim 5
Gagan, Jyot, Kousik, Mandal, G S, Chahil, Balwinder, Singh   +3 more
openaire   +2 more sources