Pine Tree Diseases In Michigan?

Sudden wilt and death of pines in Michigan and across the Midwest may have been the result of a disease caused by pinewood nematodes, (Bursaphelenchus xylophilis).

This parasitic nematode most commonly attacks non-native pines, such as Scotch and Austrian.

What kind of pine trees are in Michigan?

Three of the most common conifers grown in Michigan are pine (Pinus spp.), fir (Abies spp.) and spruce (Picea spp.) trees. They are all evergreen, pyramidal and have similar foliage color.

Can you save a dying pine tree?

As roots die, you may notice your pine tree dying from the inside out. This is a way for the tree to protect itself from total collapse. Increase drainage and take measures to prevent pines from standing in water — if the tree is young, you may be able to trim the rotted roots away from the plant.

How do you treat pine tree fungus?

Do not plant young, healthy two- and three-needled pines near older, infected pines. Remove infected twigs to reduce the amount of fungus in the tree. Apply a fungicide beginning as the buds swell in the spring and repeat application until the needles reach full size. Spraying at other times is not effective.

What’s wrong with my pine tree?

Discolored NeedlesNeedle discoloration can indicate that your pine trees need more water or that they’re suffering from a disease or insect infestation. Needles that fade to gray-green before deadening to brown are symptomatic of pine tree wilt, which affects Scotch, Austrian and ponderosa pines.

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