dandd75
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Posts posted by dandd75
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Indeed, I am planning on pollarding an ash that has begun to be attacked by the pest Emerald Ash Borer. I have treated the tree with a basal trunk spray of the pesticide Sarfari( in the same same class as Merit with much the same mode of control, in case you have never heard of it), the last two years, but roughly 40 percent of the crown has seen die back before I took over management of the gardens.
The ecpiormic growth is very lush and healthly, so I think it might be worth a chance to see what happens.
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Wow, as a Yank from across the pond (Ohio to to exact), I am glad to see not all in the arboriculture world treat pollarding (a term we rarley, if ever use here...it is all topping to us it seems) as a mortal sin.
I maintain a 42 arce property with 400 trees, and while my training is in horticulture and not arboriculture, I do know that how a plant responds to pruning is much more complex than the "experts" ever admit. Indeed, I never got why we Americans treat pollarding as a death sentence for a tree, when they have been done for centuries in Europe with sucess.
So this thread has taught me alot, thanks.
Don
Asian Longhorn Beetle
in Tree health care
Posted
I feel sorry for you guys over there. We have had ALB in the States since 1996, and in fact it was found in my state(Ohio) just last summer.
One of the most important things is to educate the average citizen not to move firewood out of an area that has been confirmmed to have ALB, so hopefully your goverment departments in charge of such matters are doing so.
And here is some info on the plants that it is known to attack, in America at least, to give you an idea of just how bad this pest is.
Asian Longhorned Beetle (Anoplophora glabripennis)
Don