There are a few other questions that our certified arborists are often asked when it comes to fire blight below are these questions with our answers. Like other plant diseases, fire blight only harms plants. If you recently ate a sour apple or pear and are worried about infection, you can relax.
Left untreated, fire blight will kill branches and then the entire tree.Ĭertainly, you must be wondering if fire blight is harmful for humans, but it is not. Accordingly, this gives the affected tree the appearance of being burned, hence the name. Erwinia Amylovora bacteria attacks leaves turning them black, causes branches to develop dark cankers, and makes twigs ooze white puss. Working together to take preventative measures and identifying fire blight of apple trees early, are the only ways to beat it! Fire Blight of Apple and Other Treesįire blight is a destructive bacterial disease. And even though the damage looks like burns and the name has fire in it, this disease is 100% bacterial.ĭo you and your neighbors own fruit trees such as apple or pear? One thing you can do to prevent fire blight in trees in the rose family, is talk to your neighbors and keep them informed. It’s been difficult to stop because the disease spreads so easily from one property to the next. The truth is that Denver and the surrounding areas have struggled with fire blight of apple, pear, and other trees in the rose family for many years.
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