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Effect of five pesticides on the mycelial growth of some soil and pathogenic fungi

โœ Scribed by Dr. F. T. El-Hissy; M. I. A. Abdel-Kader

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
396 KB
Volume
20
Category
Article
ISSN
0233-111X

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โœฆ Synopsis

Abstract

The effect of three doses (the lowest is the recommended dose in the field) of 5 pesticides namely: Ceresan, Orthocid (fungicides), VCSโ€438 (herbicide), and Dursban and Dipterex (insecticides) on the mycelial dry weight of Aspergillus fumigatus, Fusarium moniliforme, Penicillium italicum, and Sclerotium cepivorum was tested 2, 4, 6, 8 and 10 days after treatment. All the pesticides induced inhibition of mycelial growth of the test fungi. Only VCSโ€438 at the low dose was stimulatory to F. moniliforme after 4 and 6 days and to P. italicum after 4 days. The rate of inhibition was influenced by the type of fungus, the age of the mycelium, and the dose of the pesticide. At the end of the experiment the two fungicides were detoxified by the test fungi with a rate higher than that of the other pesticides.

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