Question: how to control blb in rice?
Answer: Seed treatment with 0.1 g Streptocycline and 0.1 g Copper Sulfate or 0.3 g Agrimycin-100 and 0.1 g Copper Oxychloride in one liter of water for 20 minutes.
Foliar spray of 0.05 g Streptocycline and 0.05 g Copper Sulfate.