Clubroot: Plasmodiophora brassicae 
       
                Symptoms 
                
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Stunting and yellowing of plants 
                   
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Leaves become yellowish and wilt on hot days. 
                   
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Club like swelling of root and root lets 
                   
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Club root is particularly prevalent on soils with a pH below 7, whereas it has been observed that the disease is often less serious on heavy soils and on soils containing little organic matter. 
                   
               
                Management 
             
              
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Soil fumigation with Methly bromide 1kg/10m 2  followed by covering with plastic film. 
                 
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Seed treatment with Captan/Thiram 4g/kg, followed by T.viride 4g/kg. 
                 
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Application of lime 2.5 t/ha. 
                 
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Soil drenching with Copper oxychloride 0.25%. 
                 
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