Abstract
The cultivation of maize in Bangladesh has been boosted over the last decade. Concurrently, diseases are also becoming a major threat to its higher production because of lacking disease-resistant cultivars. The study screened 29 maize inbred lines against southern corn leaf blight, northern corn leaf blight, downy mildew, rust, stalk rot, anthracnose, and maize leaf streak in field conditions. Among the inbred lines, Ag-0296, Ag-0305, Ag-0309, Ag-0312, Ag-0314, Ag-0318 and Ag-0321 showed resistance to various diseases. Twenty-one inbred lines belonged to cluster I demonstrated highest plant height (154.75 cm), ear height (61.19 cm) and yield (4.41 t/h), intermediate days to pollen shedding (108.43), days to silking (109.90) and days to maturity (157.14). Finally, cluster analysis revealed Ag-0296, Ag-0298, Ag-0300, Ag-0301, Ag-0303, Ag-0304, Ag-0305, Ag-0306, Ag-0307, Ag-0309, Ag-0310, Ag-0311, Ag-0313, Ag-0315, Ag-0318, Ag-0319, Ag-0321 and Ag-0324 belongs to Cluster I as they showed both disease resistance ability with good agronomic attributes.
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