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Selectivity of insecticides to beneficial insect: Effectiveness of some insecticides to Chrysoperla carnea (Steph.) and its predation on cotton jassid - Tapa blanda

Haider, Ijaz; SUHAIL, ANJUM

 
9783659419263: Selectivity of insecticides to beneficial insect: Effectiveness of some insecticides to Chrysoperla carnea (Steph.) and its predation on cotton jassid
Tapa blanda
ISBN 10: 3659419265 ISBN 13: 9783659419263
Editorial: LAP LAMBERT Academic Publishing, 2013

Sinopsis

Insecticides not only kill the pest insects but also badly affect their natural enemies. Chrysopid larvae are useful predators of various economically important insect pests like aphid, jassid, white fly etc. Toxicity of six insecticides viz., Talstar10EC (Bifenthrin), Endosulfan35EC (Thiodan), Trebon30EC (Etofenprox), Confidor200SL (Imidachloprid), Polo 500SC (Diafenthiuron) and Monocrotophos 40 WSC (Monocrotophos) and two control treatments, replicated thrice, each with two concentrations C1=0.025% and C2= 0.05% was observed against cotton jassid and its predator Chrysoperla carnea (Steph.). Each pesticide was applied @ 1.4 ml on third instar larvae of the predator and known number of jassids with Pottar Spray Tower in three different modes. The experiment was laid out in CRD in the lab. It was found that Monocrotophos and Talstar were highly toxic giving 96-100% and 80-90% kill of the predatory larvae, respectively. Confidor and Endosulfan were proved moderately toxic while Polo and Trebon found to be somewhat selective in their use against the predator. However, all the insecticides effectively controlled cotton jassid.

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Reseña del editor

Insecticides not only kill the pest insects but also badly affect their natural enemies. Chrysopid larvae are useful predators of various economically important insect pests like aphid, jassid, white fly etc. Toxicity of six insecticides viz., Talstar10EC (Bifenthrin), Endosulfan35EC (Thiodan), Trebon30EC (Etofenprox), Confidor200SL (Imidachloprid), Polo 500SC (Diafenthiuron) and Monocrotophos 40 WSC (Monocrotophos) and two control treatments, replicated thrice, each with two concentrations C1=0.025% and C2= 0.05% was observed against cotton jassid and its predator Chrysoperla carnea (Steph.). Each pesticide was applied @ 1.4 ml on third instar larvae of the predator and known number of jassids with Pottar Spray Tower in three different modes. The experiment was laid out in CRD in the lab. It was found that Monocrotophos and Talstar were highly toxic giving 96-100% and 80-90% kill of the predatory larvae, respectively. Confidor and Endosulfan were proved moderately toxic while Polo and Trebon found to be somewhat selective in their use against the predator. However, all the insecticides effectively controlled cotton jassid.

Biografía del autor

Mr. Ijaz Haider is currently working as Research Officer, Rice Research Institute, Kala Shah Kaku, Pakistan. Work experience as in charge biological control programmes in couple of organizations. Areas of interest: Biological control, Use of pheromones in IPM, Toxicology, Breeding of crops for resistance to insects. Have more than 15 publications.

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Editorial
LAP LAMBERT Academic Publishing
Año de publicación
2013
Idioma
Inglés
ISBN 10 
3659419265
ISBN 13 
9783659419263
Encuadernación
Tapa blanda
Número de páginas
68
Contacto del fabricante
no disponible
Persona responsable
no disponible