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Growth anomaly on ash trees


Pete Mctree
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I was re-reducing 5 massively over pruned Ash trees on Friday, when I began to notice some unusual growth like you can see in the images below. The other unusual growth habit was the massive annual growth- epicormic shoots of over 2m in length in 2 growing seasons.

i have seen this before , years ago & always wondered what the root cause was. Any ideas?

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13 minutes ago, Pete Mctree said:

I was re-reducing 5 massively over pruned Ash trees on Friday, when I began to notice some unusual growth like you can see in the images below. The other unusual growth habit was the massive annual growth- epicormic shoots of over 2m in length in 2 growing seasons.

i have seen this before , years ago & always wondered what the root cause was. Any ideas?

IMG_0684.JPG

IMG_0687.JPG

IMG_0689.JPG

Fasciation, its when the  meristematic cells divide wrongly, maybe as a result of excess plant hormones though in the past it often was from a whiff of 245t, a man made plant hormone mimic.

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I suspect this fasciation is caused by a bacterium or fungal most likely former, ash are particularly prone as is forsythia. I once saw a foxglove with it and the flower head was a sight to behold! No chemicals need be implicated at all. Perfectly natural, harmless and actualy on flowering species quite stunning at times

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