Thyronectria Canker (Honeylocust)

Thyronectria Canker

Does your Honeylocust have these cankers in the crotches? This a fungus called Thyronectria Canker.

Thyronectria Canker

Thyronectria Canker of a Honeylocust is a very common fungal disease that is treated by pruning out infected areas to minimize the spread of spores to healthy limbs. All cuts and tools should be sterilized with Lysol to help minimize the spreading of spores. Increasing health and vigor is recommended by watering in the dry winter months.   Thyronectria Canker of a Honeylocust Tree