ISSN 2415-1297 (Online)   ISSN 2415-1300 (Print)
 
             
 
Volume : 27 Issue : 1 Year : 2019
 
Effect of Three Pesticides on Nitrogen Content of Some Soil Fungi [Med J Islamic World Acad Sci]
Med J Islamic World Acad Sci. 1994; 7(2): 82-87

Effect of Three Pesticides on Nitrogen Content of Some Soil Fungi

A. M. Moharram, A. Y. Abdel-Malek, M. I. A. Abdel-Kader, S. O. Omar
From Department of Botany, Faculty of Science, Assiut University, Assiut, Egypt.

Nitrogen fractions such as amino-N, peptide-N, ammonia-N, total soluble-N, protein-N as well as total-N of six fungal species exposed to three pesticides were measured. The fungicide Afugan (Pyrazofos) induced a significant increase in the total-N of Trichoderma harzianum and Fusarium solani whereas a significant decrease was observed with Aspergillus niger and Penicillium chrysogenum. Certain doses of the herbicide Brominal (Bromoxynil) caused a significant decrease in the total-N of A. niger, F. solani, T. harzianum and Mucor racemosus. Total-N of Stachybotrys chartarum showed a significant increase in response to Brominal. The insecticide Selecron (Profenfos) caused a significant reduction in the total-N of p. chrysogenum. Other nitrogen fractions showed different responses depending on the type and dose of the pesticide as well as on the fungal species itself.

Keywords: Pesticides, fungi, nitrogen fractions


A. M. Moharram, A. Y. Abdel-Malek, M. I. A. Abdel-Kader, S. O. Omar. Effect of Three Pesticides on Nitrogen Content of Some Soil Fungi. Med J Islamic World Acad Sci. 1994; 7(2): 82-87

Corresponding Author: A. M. Moharram, Egypt


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