Studies on the residual activity of three synthetic pyrethroids cypermethrin, fenvalerate and permethrin against cotton stainers, Dysdercus spp (Hemiptera: pyrrhocoridae)

Autor:	Aggrey M. Mambiri, Battan M. Khaemba
Rok vydání:	1989
Předmět:	Fenvalerate food.ingredient biology Pyrrhocoridae Dysdercus biology.organism_classification Hemiptera Cypermethrin Toxicology chemistry.chemical_compound food chemistry Insect Science Residual activity medicine Bioassay Ecology Evolution Behavior and Systematics Permethrin medicine.drug
Zdroj:	International Journal of Tropical Insect Science. 10:347-352
ISSN:	1742-7592 1742-7584
DOI:	10.1017/s1742758400003593
Popis:	Studies conducted using laboratory and field bioassays showed that Cypermethrin (b=−1.691) had a significantly (P 0.05) different from each other. It was also shown by these studies that the effective interval between applications was 21 days for Cypermethrin and 14 days when fenvalerate and permethrin were applied. This finding has important practical implications in the adoption of an integrated approach aimed at minimizing damage to cotton by D. nigrofasciatus.
Databáze:	OpenAIRE
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