Fire blight control without antibiotics

摘要

Lime sulfur and fish oil can help as part of an integrated strategy.Organic apple and pear growers are being urged to test new strategies for controlling fire blight this season, as this is the last time they'll be able to useantibiotics as a fallback option.Organic growers have been allowed to use antibiotics in the past, but the National Organic Standards Board has voted to remove the antibiotics oxytetracycline and streptomycin from the allowed list of synthetic materials, effective this fall.