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Effect of 'Atplus'-type adjuvants on distribution and retention of diflubenzuron in larvae of Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae)



Effect of 'Atplus'-type adjuvants on distribution and retention of diflubenzuron in larvae of Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae)



Mededelingen van de Faculteit Landbouwwetenschappen, Rijksuniversiteit Gent 53(2b): 765-770



The effect of Atplus 417 and Atplus 424 (mineral oil-surfactant mixtures) on the transport and retention of diflubenzuron in larvae of Spodoptera littoralis was studied in the laboratory. Final-instar larvae were exposed to leaf discs treated with 40 000 d.p.m. 14C-diflubenzuron and 0.1% adjuvant. Treatment with adjuvant resulted in an increase of 85-115% in the retention of diflubenzuron 48 and 72 h later. Recovery of diflubenzuron in the frass was significantly lower in the adjuvant assays.

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Accession: 001806047

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