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Adsorption of polyhedra of a nuclear polyhedrosis virus of Heliothis armigera in two different types of soils

Published online by Cambridge University Press:  19 September 2011

K. Narayanan ,
S. Jayaraj  and
T. R. Subramaniam
K. Narayanan
Affiliation:
Division of Entomology, Tamil Nadu Agricultural University, Coimbatore, 641 003, India
S. Jayaraj
Affiliation:
Division of Entomology, Tamil Nadu Agricultural University, Coimbatore, 641 003, India
T. R. Subramaniam
Affiliation:
Division of Entomology, Tamil Nadu Agricultural University, Coimbatore, 641 003, India
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Abstract

Tests on the quantitative adsorption of polyhedra of nuclear polyhedrosis virus of Heliothis armigera to black and red soil showed an increase in the adsorption of polyhedra with an increase in the amount of soil. The increase was higher in the red soil than black soil, but the number of polyhedra adsorbed per unit weight of soil decreased as the amount of soil increased; the rate of decrease being faster in black soil than in red soil. The adsorption of polyhedra of nuclear polyhedrosis virus of Heliothis armigera is discussed based on certain physico-chemical properties of both red and black soils.

Résumé

Des essais sur l'adsorption quantitative du polyhèdre du virus à polyhedrose nucléaire de l'Heliothis armigera dans du sol noir et rouge ont montré une augmentation du degré d'adsorption du polyhèdre avec l'augumentation de la quantité du sol—cette augmentation etait plus marquée dans le sol rouge que dans le sol noir, mais la quantité de polyhèdre absorbé par poids unitaire du sol a diminué au fur et à mesure que la quantité du sol augmentait, le degré de diminution étant plus rapide dans du sol noir que dans du sol rouge.

L'adsorption du polyhèdre du virus polyhedrose nucléaire de l' Héliothis armigera est discutée sur la base de certaines propriétés physiques et chimiques des sol rouge et noir.

Keywords

Nuclear polyhedrosis virusHeliothis armigerasoil adsorptionVirus a polyhedrose nucléiaireheliothis armigeraabsorption du sol
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 8 , Issue 1 , February 1987 , pp. 53 - 56
Copyright
Copyright © ICIPE 1987

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References

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