FIRE BLIGHT - Knowledgebase Question

manchester, Ne
Question by salty639
March 30, 2010
I have a flowering pear tree with fire blight nine years old what to use to control thank you john


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Answer from NGA
March 30, 2010

0

Fire blight is a bacterial infection that spreads rapidly. All infected twigs, branches and cankers should be removed from the tree. Prune well back--6-8"--from evidence of infection. That is, if you see signs of infection on the last 6" of the branch, prune off 12-14" to be sure you are removing all infected material. Be sure to disinfect your pruning tools after each cut. Use one part household bleach to nine parts water, or dip your cutting tools in pure alcohol after each cut. After you've removed the infected plant parts you can help protect the remainder of the tree by spraying with a lime-sulfur (Bordeaux) dormant spray. You'll need to spray your tree every year to protect it from fire blight. Be sure to follow directions on the label for timing of the spray applications. Good luck with your project!

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