Archives of Phytopathology and Plant Protection (2009) 42, 474-480

Alaa M. Abou-Zeid and Abdalla D. Altalhi (2009)
Biotoxic effects of Sumisclex and Carbomar fungicides on four Aspergillus species isolated from the rhizosphere of some Taif plants
Archives of Phytopathology and Plant Protection 42 (5), 474-480
Abstract: The antifungal activities of two systemic fungicides (Sumisclex and Carbomar) on four rhizospheric Aspergillus species (A. candidus, A. sydawi, A. niger1 and A. niger2) were studied. Also the phytotoxicity against some saudian seeds was analysed. Results indicated that Sumisclex fungicide was more effective on the growth of A. candidus and A. sydawi under laboratory conditions (the IC₅₀ of 3 and 4 ppm were recorded, respectively) than Carbomar where an IC₅₀ of 11 ppm for A. candidus and 35 ppm for A. sydawi were observed. The growth of the two strains of A. niger was completely inhibited by Carbomar even at the lowest 10 ppm concentration. On the other hand results revealed that phytotoxicity was apparently linked with the type of the fungicide and its concentration. However, the root system was more sensitive to the tested fungicides especially at higher concentrations.
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Research topic(s) for pests/diseases/weeds:
control - general

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Aspergillus niger
	Aspergillus candidus
	Aspergillus sydowii