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Studies on the life cycle of five microsporidian isolates and histopathology of the mid-gut of the silkworm Bombyx mori (Lepidoptera: Bombycidae)

Published online by Cambridge University Press:  11 December 2012

Zakir Hossain ,
Sunil Kumar Gupta ,
Satadal Chakrabarty ,
Atul Kumar Saha  and
Bharat Bhushan Bindroo
Zakir Hossain*
Affiliation:
Central Sericultural Research and Training Institute, Central Silk Board, PO Berhampore, District Murshidabad, West Bengal742 101, India
Sunil Kumar Gupta
Affiliation:
P2 Basic Seed Farm, National Silkworm Seed Organization, Central Silk Board, Purnea, Bihar854 301, India
Satadal Chakrabarty
Affiliation:
Central Sericultural Research and Training Institute, Central Silk Board, PO Berhampore, District Murshidabad, West Bengal742 101, India
Atul Kumar Saha
Affiliation:
Central Sericultural Research and Training Institute, Central Silk Board, PO Berhampore, District Murshidabad, West Bengal742 101, India
Bharat Bhushan Bindroo
Affiliation:
Central Sericultural Research and Training Institute, Central Silk Board, PO Berhampore, District Murshidabad, West Bengal742 101, India
*
*E-mail: [email protected]
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Abstract

Pebrine caused by Nosema bombycis in the silkworm Bombyx mori L. causes severe economic loss to the sericulture industry. Several species of microsporidia and strains of N. bombycis have been isolated from infected silkworms. The study of the developmental stages of any parasite is important, as it leads to the identification of stages that may be susceptible to control measures. For this study, five microsporidian isolates from B. mori were collected from five different locations in West Bengal, India and a study of the developmental stages from mid-gut smears and histological techniques was undertaken. The observations of mid-gut smears and histological specimens revealed differences in the morphometry and duration of different developmental stages of the parasites.

Keywords

pebrineNosema bombycisBombyx morimicrosporidiasilkwormmid-gut
Type
Research Article
Information
International Journal of Tropical Insect Science , Volume 32 , Issue 4 , December 2012 , pp. 203 - 209
Copyright
Copyright © ICIPE 2012

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