I planted an amelanchier tree on a dwarf rooting stock three years ago. If I now build up the soil to above the graft, will it then grow into a full size tree?
It is best to keep the soil below the graft as this part needs to remain above soil for healthy growth.
Friends have suggested it is a canker. The tree is about 4 metres high and planted in my garden just over 2 years ago. I have three other which all look healthy. I'm looking for advice on how to treat it. many thanks James
I tried to post a picture, but failed. The 'gash' is about an inch deep and wide and nine inches high.
We planted this beautiful mature Amalanka about 5 years in a London garden with fairy good irrigation in a clay based soil. After the second year, white fungus like spots appeared on all leaves and on the top branches. I have treated the tree with fungicide the past two years but have seen no results. I have not seen any insects on or around it. The new leaves grow with the spots from the start every year. I am attaching a couple of picture for your information. Can it be Phosphate deficiency or something else? Could you please advise your opinion?
It looks like powdery mildew, a common problem with ornamentals. You also may have some leaf spot fungus mixed in. The thing about fungicides is they are more effective as a preventative than a solution. Is this a serviceberry? I didn't find a tree with your exact spelling. They are in the rose family and have some of the same problems. Do you have the tree in full sun? That is the best situation for serviceberries. Also, picking up and discarding fallen leaves will discourage the fungi from overwintering.
Here are some articles that may help:
Trunk has grey discoloured patches. Leaves have rusty circles on them. Leaves are green yellow and red and are falling from tree. I have removed juniper bushes from bed. Will my roses be affected?
It looks like fungal leaf spot. Roses are in the same family so they could be affected too. The light spots on the trunk could be powdery mildew.
I have 3 Saskatoon Berry Bushes. They are healthy. They are about 3 feet tall. They never bud or bloom (and thus no fruit). Why won't they bud? How can I get them to bud? Details: Northwest WA state, in Cascade foothills. Lots of rain. Blueberries, Strawberries, & Cherries all fruiting in same garden Plants 5 years old. Arrived as whips. 3 feet tall now. Produce nice leaves. No pests. Suggestions? Thank you
Do you have them in full sun? They don't like clayey soil. These articles should help determine the problem: