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Some aspects of the biology and control using botanicals of the rice moth, Corcyra cephalonica (Stainton), on some pulses

Identifieur interne : 002E86 ( Main/Exploration ); précédent : 002E85; suivant : 002E87

Some aspects of the biology and control using botanicals of the rice moth, Corcyra cephalonica (Stainton), on some pulses

Auteurs : J. Allotey [Ghana, Botswana] ; W. Azalekor [Ghana]

Source :

Journal of Stored Products Research [ 0022-474X ] ; 2000.

RBID : ISTEX:DB5C937751543D66107C72111CDED4585AAF0913

Descripteurs français

Pascal (Inist)
- Arachide, Chromolaena odorata, Citrus sinensis, Comparaison interspécifique, Corcyra cephalonica, Cycle développement, Dolique de Chine, Eclosion, Eichhornia crassipes, Etude en laboratoire, Fécondité, Insecticide végétal, Longévité, Lutte antidéprédateur, Plante pesticide, Pois bambara, Sex ratio.
Wicri :
- topic : Arachide, Fécondité.

English descriptors

KwdEn :
- Bambara groundnut, Botanical insecticide, Chromolaena odorata, Citrus sinensis, Corcyra cephalonica, Cowpea, Eichhornia crassipes, Fecundity, Groundnut, Hatching, Interspecific comparison, Laboratory study, Life cycle, Longevity, Pest management, Pesticide crop, Sex ratio.

Abstract

The life cycle of Corcyra cephalonica was studied under ambient laboratory conditions (temperature range 27.5–30°C and 60–73% r.h.) on groundnut, bambara groundnut and cowpea. The mean developmental period ranged from 33.2±0.2 to 45.3±1.8 days on whole, broken and powdered forms of the food media. Egg hatchability was found to be 83%, while adult longevity ranged from 1.5±0.5 to 11.9±1.3 days for males and 1.5±0.5 to 16.5±1.2 days for females. Sex ratio (♂:♀) of emerged adults ranged from 1:1 to 1:2.1. Mean fecundities ranged from 128±5 to 157±8 on the food media. In experiments to assess the insecticidal potential of three plant materials against C. cephalonica, Eichhornia crassipes powder showed a higher efficacy than both Citrus sinensis peel powder and the leaf powder of Chromolaena odorata at dosages of 0.5–2.0 g per 40 g of legume seed. At the higher dosage of 2.5 g, C. sinensis was more effective and reduced the population of C. cephalonica by half when compared to the population in control jars over a period of 1.5 months.

Url:

https://api.istex.fr/document/DB5C937751543D66107C72111CDED4585AAF0913/fulltext/pdf

DOI: 10.1016/S0022-474X(99)00045-4

Affiliations:

Botswana, Ghana

Le document en format XML

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<term>Eclosion</term>
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<front><div type="abstract" xml:lang="en">The life cycle of Corcyra cephalonica was studied under ambient laboratory conditions (temperature range 27.5–30°C and 60–73% r.h.) on groundnut, bambara groundnut and cowpea. The mean developmental period ranged from 33.2±0.2 to 45.3±1.8 days on whole, broken and powdered forms of the food media. Egg hatchability was found to be 83%, while adult longevity ranged from 1.5±0.5 to 11.9±1.3 days for males and 1.5±0.5 to 16.5±1.2 days for females. Sex ratio (♂:♀) of emerged adults ranged from 1:1 to 1:2.1. Mean fecundities ranged from 128±5 to 157±8 on the food media. In experiments to assess the insecticidal potential of three plant materials against C. cephalonica, Eichhornia crassipes powder showed a higher efficacy than both Citrus sinensis peel powder and the leaf powder of Chromolaena odorata at dosages of 0.5–2.0 g per 40 g of legume seed. At the higher dosage of 2.5 g, C. sinensis was more effective and reduced the population of C. cephalonica by half when compared to the population in control jars over a period of 1.5 months.</div>
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Some aspects of the biology and control using botanicals of the rice moth, Corcyra cephalonica (Stainton), on some pulses

Some aspects of the biology and control using botanicals of the rice moth, Corcyra cephalonica (Stainton), on some pulses

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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