This is bacterial canker which can kill the tree if not dealt with. Prune out dead or dying branches then treat stem cankers (areas around the gum) by painting with a paste made from Copper Mixture from Vitax. If possible, spray the tree later with Copper Mixture when the leaves are half open.
Gardening Expert: |
If you can't find what you are looking for on the website then you can ask one of our experts. To get in touch with us Click Here
We will try to get back to you with an answer as soon as we can.
Did you find this answer useful? Subscribe to our newsletter for gardeing news, projects, special offers and competitions.
Nongnooch Tropical Garden
Pattaya, Thailand
Royal Botanic Garden Sydney
Sydney, Australia
Saint Petersburg Botanical Garden
Saint Petersburg, Russia
Aswan Botanical Garden
Aswan, Egypt
Royal Botanic Gardens Victoria
Melbourne, Australia
Kenrokuen Garden
Kanazawa, Ishikawa, Japan