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LABORATORY BIOASSAY OF FOUR FUNGICIDES AGAINST MYCELIAL GROWTH OF ALTERNARIA BRASSICAE

paper-details
 
Author Name: M.N. Haider, M.R. Islam, F.M. Aminuzzaman, H. Mehraj and AFM Jamal Uddin
Research Area: Agricultural Science
Volume: 01
Issue: 01
Page No: 06-08
Emailed: 1
Total Downloads: 1250
Country: Bangladesh
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An experiment was conducted at the Seed Health Laboratory, Department of Plant Pathology, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh for the bioassay of fungicides in controlling mycelial growth of Alternaria brassicae in-vitro. In this experiment, four fungicides viz. Rovral 50 WP @ 0.2%, Dithane M-45 @ 0.45%, Ridomil gold MZ-72 @ 0.2%, Bavistin DF @ 0.1% and control (sterile water) were used for the assessment. Rovral 50 WP @ 0.2% was found effective to control the mycelial growth of Alternaria brassicae. Minimum mycelia growth (1.9 cm) was found with Rovral 50 WP @ 0.2% whereas maximum from control (6.0 cm) at 15 DAI. On the other hand, Rovral 50 WP reduced 68.9% mycelial growth of Alternaria brassicae.