Tuesday, August 25, 2009

Garden Nuisance: The Fire Blight

Gala apple branch with “scorched” leaves after...Image via Wikipedia

"Fire blight is most common in temperatures from 75 to 85 degrees Fahrenheit with frequent rain or hail. With these weather conditions the disease then attacks new growth, especially rapid new growth. High nitrogen fertilization and lots of pruning promotes rapid growth and should be avoided during these conditions. Tree irrigation during blooming should be avoided as well."

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