PRESERVATIVE MEDIA FOR Beauveria bassiana (BALS.) VUILL STORAGE

HELBEN ISMAT  MOHAMMAED; MOHAMMED SAEED   MIRZA; FEYROZ RAMADAN  HASSAN

doi:10.26682/ajuod.2020.23.2.2

HELBEN ISMAT MOHAMMAED Dept. of Plant Protection,Collage of Agriculture Engineering Sciences, University of Duhok
MOHAMMED SAEED MIRZA Dept. of Plant Protection,Collage of Agriculture Engineering Sciences, University of Duhok
FEYROZ RAMADAN HASSAN Dept. of Plant Protection,Collage of Agriculture Engineering Sciences, University of Duhok

DOI: https://doi.org/10.26682/ajuod.2020.23.2.2

Keywords: B. bassiana, gelatin, preservation method, microbial baits, ant.

Abstract

Beauveria bassiana is an important entomopathogenic fungus that used as a biocontrol agent of insect
pests. Maintaining and preserving B. bassiana cultures is essential for the effective evaluation of its
potential as microbial agent against insect pest, for biodiversity studies and also for exchange of fungal
material between laboratories. In the present work we evaluated the suitability of four preservation
materials based on gelatin and rice to maintain the viability of B. bassiana to be used as baits for insect’s
control. The gelatin amended with sugar recorded the maximum viability after 70 days of storage as
98.3% compared to 63.3% on rice media. Effective control of 80% of the ants was observed after 10 days
of feeding on gelatin amended with sugar and rice bait. The results demonstrated that treatment with
formulations containing conidia of B. bassiana presents insecticidal activity against ant in addition of
acting as preservation materials.

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