Horticultural crops :: Vegetables:: Cabbage 
       
         
        
          
            
              
                Root rot: Rhizoctonia solani 
                 
             
                Symptoms 
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Young plants show soft, water soaked lesion on the stem near soil level, the cotyledons wither and the plant eventually falls over and perishes. 
                 
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When infection occurs at a later stage of growth, the lower part shows discoloration over a length of several centimeters, becomes hard and woody, and thinner than usual as the cortical tissue dies and this phenomenon is known as wire stem. 
                 
               
            
                Management 
             
              
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Nursery beds: Soil drenching with Methyl bromide @ 1 kg/10 m 2 and covered with polythene sheet. 
                 
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Seed treatment with Captan/Thiram 4g/kg, followed by seed treatment with Trichoderma viride 4g/kg. 
                 
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