They are typically identified by the long, narrow, pointed green leaves that are.

Jun 02, The dropping leaves can be a symptom of foliar diseases which weakens the tree, or it could be the result of an insect pest feeding on the petioles of the leaves. There are many pests which can cause leaf drop. Another possible cause is the response to abiotic disorders which is typically a complex of stumplopping.barted Reading Time: 2 mins. Aug 14, To subscribe, click here. It seems every summer that we experience low water levels, many ponds develop willow trees around the damp edges.

By the end of the summer, the growth does not look significant and many pond owners hope that when the pond returns to full pool the willow trees will disappear. Willows will often live for several years in water that is three to four feet deep.

Diseases can cause willow trees to drop leaves early. Fungal diseases cause galls to form, which are growths that encircle branches, eventually cutting off the supply of nutrients to the leaves.

If they are brown and crispy before falling it could be wind damage.

Willow scab causes cankers to form, which are areas of cracked, dead wood. The. Mar 10, Prior to launching his boat, he will look at the lake level and determine if the water is rising or falling. When facing low water conditions, the Oklahoma pro targets deeper, dead willow trees that are located in front of green willows in shallow water."The dead willows die because they always have too much water covering them," says stumplopping.barted Reading Time: 4 mins. I have a willow tree in my front garden that is about 9 years old and has always been in full leaf at this time of year but all of a sudden it is losing leaves rapidly and I can't find any obvious explanation.

There is no apparent fungus or insect and the tree is watered well so would you have any further advice. cut lines on tire tread