Q.Trunk Of Avocado Going Brown.
Have a young avocado tree that I grew from a seed. A while ago all the leaves went brown & crispy & I expected to lose the tree. I pulled off all leaves, gave it a couple of good flushings & have been digging coffee grounds into the soil. It’s in a pot & has never looked better except for the trunk going brown in patches. What might be the problem. It’s about 150cm tall & flourishing.
Certified GKH Gardening Expert
More than likely, it is still partly the bacterial/fungal issue, and partly stem maturation.
If you did not treat with a fungicide or bactericide, then the infection likely just went dormant. It will come and go, with its life cycle, until treated.
These articles will help:
https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
https://www.gardeningknowhow.com/garden-how-to/info/applying-bactericide-to-plants.htm
