Agricultural crops :: Pulses :: Soybean 
       
         Bacterial blight: Pseudomonas syringae pv. glycinea 
        
          
            | Symptom | 
           
          
            
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Seeds may develop raised or sunken lesions and become shriveled and discolored. 
               
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Small, angular, translucent, water-soaked, yellow to light brown spots appear on leaves. 
               
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Young leaves are most infected and are destroyed, stunted and chlorotic. 
               
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Angular lesions enlarge and merge to produce large, irregular dead areas. 
               
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Early defoliation of lower leaves may occur. 
               
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Large, black lesions develop on stems and petioles. 
               
             
            Management 
            
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Deep summer poughing. 
               
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Use healthy/certified seeds. 
               
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Destroy infected crop debris 
               
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Seed treatment with streptocyclin @ 250 ppm (2.5 g/10 kg seeds). 
               
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Application of any copper fungicides @ 2 g/lit along with streptocyclin at the rate of 250 ppm (2.5 g/10 lit water). 
               
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