Formulation of the endophytic fungus Cladosporium oxysporum Berk

Two formulations containing culture filtrates and conidial suspensions of the endophytic fungus Cladosporium oxysporum Berk. & M.A. Curtis, isolated previously from stems of Euphorbia bupleuroides subsp. luteola (Kralik) Maire, were experimentally tested for their aphicid activity against the bl...

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Bibliographic Details
Published in:Journal of plant protection research 2015-01, Vol.55 (1), p.80-87
Main Authors: Bensaci Oussama Ali, Daoud Harzallah, Lombarkia Nadia, Rouabah Khamsa
Format: Article
Language:English
Subjects:
Aphis fabae
bioformulation
Cladosporium oxysporum
endophytes
invert emulsion
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Summary:Two formulations containing culture filtrates and conidial suspensions of the endophytic fungus Cladosporium oxysporum Berk. & M.A. Curtis, isolated previously from stems of Euphorbia bupleuroides subsp. luteola (Kralik) Maire, were experimentally tested for their aphicid activity against the black bean aphid Aphis fabae Scop. found in Algeria. It was shown that invert emulsions are more effective against aphids, than using aqueous suspensions. This was especially true for formulations containing culture filtrates. The relatively insignificant mortalities obtained by formulations containing conidial suspensions indicated a low infectious potential towards the aphids. The proteolytic activity seemed to be more important than the chitinolytic activity of the fungus against the black bean aphid A. fabae
ISSN:1899-007X
DOI:10.1515/jppr-2015-0011