NDLI: Insecticidal efficacy of Isaria farinosa in different life stages of Pissodes punctatus (Coleoptera: Curculionidae)

Content Provider	Springer Nature Link
Author	Yang, Song Zhuang, Hui Li, Yonghe Kuang, Rongping
Copyright Year	2009
Abstract	The insecticidal activity of an entomopathogenic fungus, Isaria farinosa on pine bark-weevil (Pissodes punctatus) at different life stages underwent laboratory testing. Larvae, pupae and adults of Pissodes punctatus were exposed to a range of concentrations of fungal conidia in suspension for 5 s; mean mortality and LC50 values were calculated. The results showed I. farinosa can effectively infect larvae, pupae and adult pine bark-weevils, and the highest mean mortalities at each life stage can exceed 88%. The mean mortalities increased with higher concentrations of I. farinosa. Larvae were most susceptible with LC50 1.2 × 106 conidia ml−1 (15 days), pupae (30 days) exhibited the second largest effects, and adults (15 days) with LC50 1.72 × 106 and 1.99 × 106 conidia ml−1, respectively, at end of the experiments. This suggests that I. farinosa could be a potential bio-control agent against the pine bark-weevil.
Starting Page	321
Ending Page	325
Page Count	5
File Format	PDF
ISSN	16124758
Journal	Journal of Pest Science
Volume Number	82
Issue Number	4
e-ISSN	16124766
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-05-03
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Isaria farinosa Pissodes punctatus Biological control Insecticidal activity Entomopathogenic fungus Forestry Ecology Plant Sciences Plant Pathology Agriculture
Content Type	Text
Resource Type	Article
Subject	Ecology Plant Science Ecology, Evolution, Behavior and Systematics Insect Science Agronomy and Crop Science

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