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How do you treat for the white pine wweevil?
It is attacking yard trees I planted. Is there a specific spray, or
time of year it should be applied? Peter Collin |
#2
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How do you treat for the white pine wweevil?
Hi Peter,
Problem with White pine Weevil is that it attacks open grown trees. The best way to stop it is to plant your pines in tight spaces or underplant large oaks with white pines. Once the trees get over 12' unaffected by them, they are golden. Sprays will not eliminate future insects, just current ones and as I usually say, do more harm than good because they have a tendency to kill the insects that feed on the pests when killing the pests themselves. Prune out the terminal leaders (and insects) that are affecting your trees and try to cultivate a new terminal leader so your tree doesn't have 3+ forks like alll of the 60-year old open grown white pines on my property do. Good luck. Geoff Kegerreis timberlineforestry.com Peter Collin wrote: It is attacking yard trees I planted. Is there a specific spray, or time of year it should be applied? Peter Collin |
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