Oahu is home to a vibrant array of palms and fruit-bearing trees. While these multihued species liven up landscapes, they may also become afflicted with a range of diseases. The area’s damp, warm environment makes trees particularly susceptible to the following three conditions that require support from a professional tree service. 

Common Threats to Oahu Trees

1. Phytophthora katsurae

Young and newly planted coconut palms are especially vulnerable to phytophthora katsurae, a disease that targets the roots and crown of a plant. The disease tends to spread during storms and windy weather, after which it will begin to gradually kill the tree over the course of one to three years. While the below-ground damage may remain unnoticed for some time, you can spot the disease through symptoms like nut rot, nut dropping, and leaf discoloration and death. When afflicted with this disease, the tree’s youngest leaves will die first. Since the coconut palm flourishes in damp, warm soil, property owners can help combat the disease by promoting proper soil drainage.

2. Anthracnose

Anthracnose is a tree condition characterized by dead, discolored, and blotchy leaves. The foliage may exhibit splotches of colors ranging from yellow to black or appear to have been bitten. Various types of fungi may produce this condition on several Oahu-area plants, including avocado trees, banana trees, passion fruit trees, and palms of all kinds. Without treatment, the fungi may attack and kill the tree’s twigs and branches. Consult a tree service professional to assess the problem and apply a fungicide to combat it.

3. Sooty Mold

Sooty mold is a black, powdery substance that occurs when certain species of fungi feed on the sap produced by feeding insects. As the insects chew through the leaves, the fungi continue to flourish, leaving behind an unattractive growth. While they don’t typically threaten the tree’s life, this mold can significantly degrade the quality of a fruit-bearing tree’s harvest. Natural or chemical-fungicides can help combat the problem.

If you think your tree is in trouble, look to Honolulu, Hawaii’s affordable landscaping service. The professionals from Sherwood’s Tree Service can provide the prompt, efficient, and affordable support you need to maintain your landscape. For over 40 years, the team has provided services like tree removal and hydro-seeding while always making the health of trees a top priority. To learn about the team’s commitment to safe tree services, visit the website. Request a free estimate when you call today at (808) 537-9705.