Efficacy and persistence of chlorpyrifos residues on peaches for control of San Jose scale (Homoptera: Diaspididae) [Quadraspidiotus perniciosus]

Chlorpyrifos 4E at the rate of 0.6 g (AI)/liter provided control of San Jose scale, Quadraspidiotus perniciosus , on peaches. Toxic residues persisted for 60 to 80 days on twigs. At harvest, chlorpyrifos residues were 7 to 11-fold higher on twigs than on fruit. Two applications left a residue in the...

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Veröffentlicht in:	Journal of economic entomology 1984, Vol.77 (2), p.534-536
Hauptverfasser:	FRANKLIN HOWELL, J, GEORGE, D. A
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Chemical control Control Diaspididae Fundamental and applied biological sciences. Psychology Generalities Phytopathology. Animal pests. Plant and forest protection Protozoa. Invertebrates Quadraspidiotus perniciosus
Online-Zugang:	Volltext
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