Management
- Seed treatment with 0.1% mercuric chloride solution for 2 to 5
     minutes is effective.
- Seedlings may be sprayed with Bordeaux mixture 1. Per cent or
     copper oxychloride 0.25%.
- Spraying with streptomycin should not be done after fruits begin to
     form.
- Field sanitation is important. Also seeds must be obtained from
     disease free plants.