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Control of pink bollworm, Pectinophora gossypiella (Saunders) (Lepidoptera: Gelechiidae), in Egypt by mating disruption using hollow-fibre, laminate-flake and microencapsulated formulations of synthetic pheromone

Published online by Cambridge University Press:  10 July 2009

B. R. Critchley ,
D. G. Campion ,
L. J. McVeigh ,
E. M. McVeigh ,
G. G. Cavanagh ,
M. M. Hosny ,
EL-Sayed A. Nasr ,
A. A. Khidr  and
M. Naguib
B. R. Critchley
Affiliation:
Tropical Development and Research Insititute, College House, Wrights Lane, London, W8 5SJ, UK
D. G. Campion
Affiliation:
Tropical Development and Research Insititute, College House, Wrights Lane, London, W8 5SJ, UK
L. J. McVeigh
Affiliation:
Tropical Development and Research Insititute, College House, Wrights Lane, London, W8 5SJ, UK
E. M. McVeigh
Affiliation:
Tropical Development and Research Insititute, College House, Wrights Lane, London, W8 5SJ, UK
G. G. Cavanagh
Affiliation:
Tropical Development and Research Insititute, College House, Wrights Lane, London, W8 5SJ, UK
M. M. Hosny
Affiliation:
Plant Protection Department, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
EL-Sayed A. Nasr
Affiliation:
Plant Protection Research institute, Ministry of Agriculture, Cairo, Egypt
A. A. Khidr
Affiliation:
Plant Protection Research institute, Ministry of Agriculture, Cairo, Egypt
M. Naguib
Affiliation:
Plant Protection Research institute, Ministry of Agriculture, Cairo, Egypt
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Abstract

Hollow-fibre, laminate-flake and microencapsulated formulations of the synthetic sex pheromone (a 1:1 mixture of (Z, Z)- and (Z, E)-7, 11-hexadecadienyl acetate) of Pectinophora gossypiella (Saunders) were compared in large-scale mating disruption trials in Egypt in 1982. Fifty-hectare blocks of cotton were treated at regular intervals throughout the season with the formulated pheromone as the sole means of controlling the pest. The pheromone treatments were compared with conventional insecticide spray treatments in other 50-ha blocks of cotton sited in the same localities. Comparisons of numbers of infested flowers and green boils, open boll counts, crop development, yield of seed cotton, lint quality and seed damage in pheromone-and insecticide-treated blocks, showed that adequate levels of control were achieved using the pheromone formulations, which were equal in effect to the insecticide sprays. Beneficial insects were found in greater numbers in the pheromone-treated areas than in areas treated with insecticides.

Type
Research Article
Information
Bulletin of Entomological Research , Volume 75 , Issue 2 , June 1985 , pp. 329 - 346
Copyright
Copyright © Cambridge University Press 1985

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