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NPR Vol.5(2) [March-April 2006] >


Title: Survival and infectivity of entomopathogenic nematodes in alginate gel formulations against rice meal moth larva, Corcyra cephalonica Stainton
Authors: Umamaheswari, R
Sivakumar, M
Subramanian, S
Keywords: Alginate gel formulation
Entomopathogenic nematodes
Heterorhabditis indica
Steinernema glaseri
Steinernema siamkayai
Rice meal moth larva
Corcyra cephalonica
Bioinsecticides
Issue Date: Apr-2006
Publisher: CSIR
Abstract: Entomopathogenic nematodes, viz. Steinernema glaseri, S. siamkayai and Heterorhabditis indica were formulated in alginate gel capsules and tested in vitro at two temperatures (5ºC and 25ºC) for their storage and infectivity against rice meal moth larva, Corcyra cephalonica Stainton. The nematode S. glaseri survived longer up to 24 weeks and 100 per cent survival was observed up to 4 weeks at 5°C. However, their infectivity was 100 per cent up to 4 weeks at 5°C. It was followed by S. siamkayai which survived up to 22 weeks at 5°C and 14 weeks at 25°C. H. indica revealed 100 per cent infectivity up to 2 weeks at 5°C and 25°C.
Page(s): 95-98
ISSN: Int. cl.7A01N 1/00, A01N 63/00
Source:NPR Vol.5(2) [March-April 2006]

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