spruce tree bug

Asked June 21, 2017, 1:43 PM EDT

my five spruce trees have been dying from the inside out. I heard there was a bug that injects a bacterial disease in spruces. these will haveto come down. can we burn them? we have another spruce separate from them in good condition, what can we treat this one with to protect it? our spruces are in our lawn, mostly clay soil, 20 years old. The five sick ones are touching each other and still growing at the very ends

Jasper County Iowa

1 Response

The spruce trees may have Rhizosphaera needle cast. Information on Rhizosphaera needle cast can be found at the website below.

https://hortnews.extension.iastate.edu/rhizosphaera-needle-cast