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- The field should be free from old crop residues and weeds.
- Streptomycin sulfate 90% + tetracycline hydrochloride 10% W / W @ 24 gm / acre or
- Kasugamycin 3% SL @ 300 ml / acre or
- Spray kasugamycin 5% + copper oxychloride 45% WP @ 250 gm / acre in 200 liters of water.
- For this disease by biological means, spray 500 grams Pseudomonas fluorescens and 500 ml Bacillus subtilis in 200 liters of water per acre.
- Streptomycin should not be sprayed after fruit formation.
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- The first symptoms appear as small yellowish-green spots on the new leaves and these leaves are deformed and twisted.
- Later on, the leaves show small circular or irregular, dark brown or black smooth spots. As these spots grow in size, the middle part becomes lighter and the outer part becomes darker.
- Finally, these spots turn into holes because the middle part of the leaves dries up and bursts.
- In severe infection, the affected leaves fall prematurely.
- Submerged spots form round, bulging, yellow edges on the fruit.
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