Though this rarely destroys the fruit, it can lead to unsightly blemishes.

Why Apple Trees Get Yellow Leaves. Apple trees most commonly get yellow leaves from poor drainage, overwatering, a lack of nutrients, and diseases such as cedar apple rust and necrotic leaf blotch.

Hi Emma - sounds frustrating!

If the yellowing is solid, the tree is likely stressed. If the yellowing is spotted, it’s likely from disease and the tree can benefit from a spray. Jul 24, It's weird that the surrounding patch is also yellow - like it was planted in a basin with poor drainage. The surrounding patch is a creeping plant that is actually supposed to be the yellow. Yellowing leaves in apple trees may indicate a problem.

Using drip irrigation will improve this as well.

Apple trees typically have glossy, medium green leaves. When leaves turn yellow, either the weather has turned cold or the tree is suffering from some sort of disease and nutritional deficiencies. Over time, these can result in the yellowing of large numbers of leaves, known as chlorosis. Jun 22, HIGH TEMPERATURES. High temperatures can result in heat stress for your trees. This causes leaves to turn yellow and then drop, as trees are water-stressed and cannot provide or maintain the energy needs of their leaves.

Early identification and treatment of heat stress go a long way toward helping them bushdig.barted Reading Time: 8 mins. Mar 05, A number of nutritional deficiencies can cause yellow leaves as one of their symptoms, including iron (as you can see above), manganese and zinc.

Fruit tree diseases that can cause yellow leaves The fourth reason for yellow leaves is because of a virus disease, such as apple mosaic virus as you can see in this leaf. Apple mosaic virus on leafReviews: