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Spatial and temporal changes in the abundance of Helicoverpa (= Heliothis) armigera (Hubner) in India*

Published online by Cambridge University Press:  19 September 2011

C. P. Srivastava ,
M. P. Pimbert  and
W. Reed
C. P. Srivastava
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, P. O. 502 324 Andhra Pradesh, India
M. P. Pimbert
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, P. O. 502 324 Andhra Pradesh, India
W. Reed
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, P. O. 502 324 Andhra Pradesh, India
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Abstract

A pheromone trap network was used to study the temporal and spatial variations in the abundance of the pod borer, Helicoverpa (= Heliothis) armigera (Hubner) in India. The pattern of pheromone trap catches of Helicoverpa armigera was similar within any given agroclimatic zone but there were also obvious changes with latitude in patterns of trap catches. The catches were generally higher and had more sharply defined peaks, at northern locations than at southern locations. The catches at the eastern locations were lower than those elsewhere. The practical applications of this information for pest control are discussed.

Résumé

Un réseau de pièges à phéromone a été établi pour étudier les variations spatiotemporelles dans l'abondance des populations de Helicoverpa (=Heliothis) armigera (Hubner) en Inde. Cet article présente une synthèse des résultats obtenus pour la période 1981–1988. L'activité de cette noctuelle nuisible est semblable au sein de chaque zone agro-climatique étudiée et varie en fonction de la latitude. Les piégeages sont plus importants, avec des pics bien définis, dans le Nord que dans les zones du Sud de l'Inde. A l'Est du pays les résultats des piégeages indiquent que les populations de Helicoverpa armigera sont peu abondantes dans le temps. L'intérêt de ces résultats pour les programmes de lutte contre cet insecte nuisible est mis en évidence.

Keywords

Pheromone trapHelicoverpa armigeraagro-climatic zonePièges à phéromoneHelicoverpa armigerazones agro-écologiques

Information

Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 11 , Issue 6 , December 1990 , pp. 869 - 876
Copyright
Copyright © ICIPE 1990

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References

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