Development of a Novel Soluble Granule Formulation of Emamectin Benzoate for Control of Lepidopterous Pests

Jansson, Richard K.; Peterson, Robert F.; Mookerjee, Pradip K.; Halliday, W. R.; Argentine, Joseph A.; Dybas, R. A.

doi:10.2307/3495607

Cited by 33 publications

(24 citation statements)

References 10 publications

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“…These results indicate that emamectin has potential for controlling both pests, with special efficiency against H armigera . Other authors15 have shown that emamectin was efficient in controlling the diamond back moth P xylostella at a rate of c 8 g AI ha −1 in cabbage fields, and at a similar concentration for controlling S exigua, Heliothis virescens F and Trichoplusia ni (Hübner) 16…”

Section: Resultsmentioning

confidence: 87%

Emamectin, a novel insecticide for controlling field crop pests

Ishaaya

Kontsedalov

Horowitz

2002

Pest Management Science

119

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Emamectin is a macrocyclic lactone insecticide with low toxicity to non-target organisms and the environment, and is considered an important component in pest-management programmes for controlling field crop pests. It is a powerful compound for controlling the cotton bollworm Helicoverpa armigera (Hübner). A spray concentration of 25 mg AI litre-1 in a cotton field resulted in over 90% suppression of H armigera larvae up to day 28 after treatment, while similar mortality of the Egyptian cotton leafworm Spodoptera littoralis Boisduval, under the same conditions, was maintained for 3 days only. Emamectin is a potent compound for controlling the western flower thrips Frankliniella occidentalis (Pergande) under both laboratory and field conditions and its activity on adults was over 10-fold greater than that of abamectin. Spray concentrations of 10 and 50 mg AI litre-1 in Ageratum houstonianum Mill flowers resulted in total suppression of adults up to day 11 and of larvae up to day 20 after treatment. Under standard laboratory conditions, emamectin exhibits a considerable activity on the whitefly Bemisia tabaci (Gennadius) and the leafminer Liriomyza huidobrensis (Blanchard). Further studies are required to evaluate its potential activity on the latter pests under field conditions.

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Section: Resultsmentioning

confidence: 87%

Emamectin, a novel insecticide for controlling field crop pests

Ishaaya

Kontsedalov

Horowitz

2002

Pest Management Science

119

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“…It has been used on a variety of vegetable crops since 1989 [1][2][3]. Emamectin benzoate is a white to cream-colored powder and is a mixture of two avermectin homologs: no less than 90% of 4 0 -epimethyamino-4 0 -deoxyavermectin B 1a benzoate (MAB 1a ) and no more than 10% of 4 0 -epimethyamino-4 0 -deoxyavermectin B 1b benzoate (MAB 1b ) [4,5].…”

Section: Introductionmentioning

confidence: 99%

Acute toxicity of emamectin benzoate and its desmethyl metabolite to Eohaustorius estuarius

Kuo

Buday

Aggelen

et al. 2010

Enviro Toxic and Chemistry

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Emamectin benzoate is one of the active ingredients of the anti-sealice drug SLICE. Ten-day acute sediment lethal tests (10-d LC50) of emamectin benzoate and its desmethyl metabolite (AB1) were conducted to determine LC50 values using a sensitive representative West Coast amphipod crustacean, Eohaustorius estuarius. The 10-d LC50s of emamectin benzoate and AB1 to E. estuarius were 0.185 and 0.019 mg/kg wet weight sediment (0.146 and 0.015 mg/kg dry wt), respectively. The degradation properties of emamectin benzoate and AB1 during the 10-d period were also measured and described. No obvious decay patterns were observed for either emamectin benzoate and AB1 over the 10-d period.

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“…The benzoate salt conferred improved stability. Development of emamectin benzoate as a plant insecticide (White, Dunbar, Brow, Cartwright, Cox, Eckel, Jansson, Mookerjee, Norton & Peterson 1997;Jansson, Peterson, Mookerjee, Halliday, Argentine & Dybas 1997), chiefly for control of lepidopterous pests on edible crops, resulted in an extensive toxicological assessment, without which development as a salmon parasiticide would not have been economically viable.…”

Section: Discussionmentioning

confidence: 99%

The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L.

Stone

Sutherland

Sommerville

et al. 1999

Journal of Fish Diseases

101

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The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L., was evaluated in a dose titration study and two dose confirmation studies. Replicated groups of salmon with induced infestations of sea lice were given emamectin benzoate on pelleted feed at doses of 0, 25, 50 and 100 μg kg−1 biomass day−1 for seven consecutive days. Sea lice were counted at 7, 14 and 21 days from the start of treatment, and comparisons made with control fish given the same diet without emamectin benzoate. Total numbers of sea lice were significantly reduced at all doses in all three studies when compared to control fish. There was no significant difference between doses of 50 and 100 μg kg−1, but the 50 μg kg−1 dose resulted in significantly fewer lice than the 25 μg kg−1 dose. Emamectin benzoate was highly effective in reducing numbers of preadult and adult lice and prevented the maturation of chalimus to motile stages. The optimum therapeutic dose was selected as 50 μg kg−1 day−1 for seven days. Treatment reduced the incidence of epidermal damage by sea lice and, in one study, survival of treated fish was 48% higher than in control groups. No fish mortalities or adverse effects were attributed to treatment with emamectin benzoate at any of the doses tested.

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Development of a Novel Soluble Granule Formulation of Emamectin Benzoate for Control of Lepidopterous Pests

Cited by 33 publications

References 10 publications

Emamectin, a novel insecticide for controlling field crop pests

Emamectin, a novel insecticide for controlling field crop pests

Acute toxicity of emamectin benzoate and its desmethyl metabolite to Eohaustorius estuarius

The efficacy of emamectin benzoate as an oral treatment of sea lice, Lepeophtheirus salmonis (KrÒyer), infestations in Atlantic salmon, Salmo salar L.

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