Organic controlby Ross Courtney

摘要

Fire blight is caused by bacteria. Therefore, antibiotics are the most effective tools to control it. But that doesn't mean organic growers are simply out of luck. They have weapons with which to fight the blight, too."I do think the organic programs work, they're just a little bit more strategic," said Ken Johnson, an Oregon State University plant pathologist, at the Washington State Tree Fruit Association's annual meeting in December in Yakima, Washington.