Spiromesifen

Spiromesifen

CAT N°: 25822
Price:

165.00 140.25

Spiromesifen is an insecticide and acaricide that reduces lipid biosynthesis via inhibition of acetyl-CoA carboxylase.{43346,43347} It inhibits chitinase from Egyptian cotton leafworm (S. littoralis) larvae (IC50s = 0.60 and 0.72 ?M for enzyme isolated from lab and field strains, respectively).{43348} It induces toxicity in whitefly (T. vaporariorum) nymphs (LC50 = 0.61 mg/L), spider mite (T. cinnabarinus) eggs (LC50 = 0.16 mg/kg), and second instar larvae of S. littoralis lab and field strains (LC50s = 0.44 and 0.68 ppm, respectively, at 72 hours post-application).{43346,43347,43348} Spiromesifen (600 mg/kg) also induces 50, 60, and 70% mortality in the Lepidoptera pests H. armigera, O. nubilalis, and P. xylostella, respectively, and induces 100% mortality in M. separata when used at a dose of 100 mg/kg.{43347} It induces toxicity in D. magna (EC50 = >0.092 mg a.s./L) and the fish species O. mykiss and L. macrochirus (LC50s = 0.016 and >0.034 mg a.s./L, respectively) but not rats (LD50 = >2,000 mg/kg).{43350} Spiromesifen also inhibits the human GST isozyme GSTA1-1 (IC50 = 12.1 ?M).{43349}

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