4-H Forestry Judging Tree Diseases.

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Presentation transcript:

4-H Forestry Judging Tree Diseases

artist conk

annosum root rot Similar to artist conk At base of conifer trees

beech bark scale

black knot

brown spot needle blight

cedar apple rust On cedar limbs and apple leaves

dogwood anthracnose Only on dogwood leaves

Dutch elm disease Fan shaped galleries

dwarf mistletoe

fusiform rust

hypoxylyn canker Gray patches on bark

lichen

nectria canker Bullseye shape swelling

needle cast

oak wilt Brown transparent oak leaves

red heart of pine

white pine blister rust

chaga mushroom Like a large black knot