It thrives in moist and humid conditions, which usually occur during the spring and early summer. ![]() It is characterized by wilted, blackened leaves and dark cankers on branches. Fire Blightįire blight ( Erwinia amylovora) is a bacterial disease that is known to affect pears, apples, hawthorn, and other trees in the rose family. I will now talk about each of these causes in more detail so that you can better understand the root of your tree’s black leaves problem. This may involve using certain fungicides or pesticides on your tree, or simply taking a few basic measures to keep your pear tree healthy and strong. Once you have an accurate diagnosis, you can take steps to treat and prevent these conditions from recurring in the future. Each of these conditions is caused by different types of fungi or bacteria, so the best way to determine which one is affecting your tree is to have it examined by a trusted expert. Let’s take a closer look… Why are Pear Tree Leaves Turning black?įire blight, Fabraea leaf spot, and pear scab are three possible causes of black leaves on pear trees. This is a common occurrence with pear trees, and there are a few possible explanations for why your tree may be exhibiting black leaves.įortunately, I’ve dealt with this problem before and I can help you figure out what might be causing your tree’s leaves to turn black. Do you have a pear tree in your backyard with black leaves? If so, you may be wondering what is wrong with it.
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