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Pakistan Journal of Biological Sciences
Year: 2003  |  Volume: 6  |  Issue: 11  |  Page No.: 995 - 997

Prevalence of Fungi in Mustard Seeds Grown and Stored at Different Locations of Dhaka Region, Bangladesh and Their Control

A. K. M. Saleh, M. A. Latif, M. A. I. Khan, H. Rahman and M.K. Uddin    

Abstract: Seven fungal genera namely Alternaria, Fusarium, Aspergillus, Penicillium, Rhizopus, Chaetomium and Curvularia, were found to be associated with seeds of 4 districts (Narsingdi, Munshiganj, Manikganj and Mymensingh) of Dhaka Division. Percent incidence of different fungi varied with locations and duration of storage period. The highest seed-borne infection of Alternaria was detected at Narshigdi (10.32%), followed by Munshiganj (10.06%), Manikganj (8.66%) and Mymensingh (6.03%). The frequency of Alternaria decreased with the increasing of storage period but Fusarium and Aspergillus increased with the increasing of storage period. Germination of mustard seeds ranged from 57.29 to 77.75% in respect of locations and duration of storage period. Percent germination decreased with increasing of the duration of storage period. Five selected fungicides were tested against Alternaria. Among the fungicides Rovral was found to be the best followed by Panoctine, Lirotect, Topsin M and Cupravit. All the fungicides at the @ 0.25 and 0.50% seed weight increased germination significantly from 5 to 13% over control treatment. But only Rovral increased germination from 11 to 13% at both concentrations.

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