Effect ofVerticillium lecaniion biological characteristics and life table ofSerangium japonicum(Coleoptera: Coccinellidae), a predator of whiteflies under laboratory conditions

Autor:	Zhen Huang, Shunxiang Ren, Lazreg Fatiha, Shaukat Ali
Rok vydání:	2008
Předmět:	biology fungi biology.organism_classification General Biochemistry Genetics and Molecular Biology Conidium Spore Pupa Horticulture Insect Science Entomopathogenic fungus Botany Instar Coccinellidae Nymph Agronomy and Crop Science Predator Ecology Evolution Behavior and Systematics
Zdroj:	Insect Science. 15:327-333
ISSN:	1744-7917 1672-9609
DOI:	10.1111/j.1744-7917.2008.00217.x
Popis:	Effects of entomopathogenic fungus Verticillium lecanii on biological characteristics and life table of Serangium japonicum, a predator of whiteflies against five different conidial concentrations (1×104, 1×105, 1×106, 1×107, and 1×108 conidia/mL) were studied under laboratory conditions. The developmental periods for all immature stages (from eggs, 1st, 2nd, 3rd, 4th instar nymph and pupae up to emergence) among the treatments were significantly different when compared to that of control, and the longest development period was observed as treated with 1×108 spore/mL. However, no significant difference on the percent survival of all immature stages was observed among the treatments and control. Also, there were no significantly different effects of V. lecanii on mean generation time, intrinsic rate, the finite rate of increase and longevity of S. japonicum among the treatments and control.
Databáze:	OpenAIRE
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