Eastern White Pine has blister rust.........................

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VTHokieTom
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Eastern White Pine has blister rust.........................

Post by VTHokieTom » Sat Aug 23, 2014 11:38 am

My white pine has it not only on some of the lower limbs, but also the entire trunk of the tree. Can anything be done to save it?

I live in Richmond, VA.

lorijones
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Re: Eastern White Pine has blister rust.....................

Post by lorijones » Mon Aug 25, 2014 3:12 pm

White pine blister rust is a serious disease in white pines. Like cedar-apple rust, white pine blister rust is a duel host disease. The alternate hosts for white pine blister rust are wild and cultivated currents and gooseberries. If you have these growing in your area, this would be the source of the infection. One way it is suggested to control the disease is to remove all the currents and gooseberry bushed in the area. In fact, some states have a ban on the import of currents and gooseberries for this reason.
Unfortunately, there is no chemical control/fungicide available to combat this disease. Cultural controls include pruning of infected branches to prevent the spread of the disease to the main trunk. Once it gets to the trunk, it will eventually encircle the whole trunk and the tree will die. It sounds like it is too late to save this tree since you say that the rust has already reached the trunk.
It might be worth it to call Bartlett Tree Experts (http://www.bartlett.com/) and have them come out to look at your tree just to confirm the diagnosis of white pine blister rust and make sure there is nothing that can be done to save your tree.

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