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Active ingredient | Diafenthiuron |
Classification | Insecticide / Agrochemical |
Formulation | 96%Tech, 50% SC, 50% WP, 25% EC |
Biochemistry | Converted by light, or in vivo, to the corresponding carbodiimide, which is an inhibitor of mitochondrial respiration. |
Mode of action | Insecticide and acaricide which kills larvae, nymphs and adults by contact and/or stomach action; also shows some ovicidal action. See J. Drabek et al. (Recent Adv. Chem. Insect Control II, 1990, p. 170). |
Usage | Insecticide and acaricide effective against phytophagous mites (Tetranychidae, Tarsonemidae), Aleyrodidae, Aphididae and Jassidae on cotton, various field and fruit crops, ornamentals and vegetables. Also controls some leaf-feeding pests in cole crops (Plutella xylostella), soya beans (Anticarsia gemmatalis) and cotton (Alabama argillacea). Applied at 300-500 g/ha. Is safe on adults of all beneficial groups (Anthocoridae, Coccinellidae, Miridae) and on adults and immature stages of predatory mites (Amblyseius andersoni, Typhlodromus pyri), spiders (Erigonidae, Lycosidae), and Chrysopa carnea. Non-selective to immature stages of Heteroptera (Anthocoridae, Miridae). Compatible with the biological control of Aleyrodidae and mites in glasshouses. |
Mammalian toxicology | Oral: Acute oral LD50 for rats 2068 mg/kg. Skin and eye: Acute percutaneous LD50 for rats >2000 mg/kg. Non-irritant to eyes and skin (rats). Inhalation: LC50 (4 h) for rats 0.558 mg/l air. |
Application:
1.For control of a wide range of leaf-eating insects in forestry,woody ornamentals and fruit.
2.Controls certain major pests in cotton, soya beans, citrus, tea, vegetables and mushrooms.
3.Also controls larvae of flies, mosquitoes, grasshoppers and migratory locusts.
4.Used as an ectoparasiticide on sheep for control of lice, fleas and blowfly larvae.
5.Due to its rapid degradation in soil and water, diflubenzuron has no or only a slight effect on the natural enemies of
various harmful insect species.
6.These properties make it suitable for inclusion in integrated control programmes.