Content tagged with "walnut"

Anthracnose Symptoms Leaves

Anthracnose, a foliar disease of walnuts, turns healthy leaves yellow and brown. More

Black Walnut

Image of a black walnut leaf
Juglans nigra
Easily Missouri’s most valuable tree, the black walnut provides the finest wood in the world, as well as delicious nuts. Both are in high demand and thus form an important part of Missouri’s economy. More

Black Walnut Bark

Black walnut bark is rough, and when the surface is lightly scraped shows a chocolate brown color. More

Black Walnut Catkins

Male flowers appear in drooping catkins when leaves emerge in spring. More

Black Walnut Tree

Black walnut trees grow up to 90 feet tall with a rounded, open crown. More

Black Walnut Twig Cross Section

Twigs thick, light brown, with fuzzy buds and tan, chambered pith at the core of the twig. More

Browning Leaves Indicate TCD

Photo shows walnut tree with browning leaves
In midsummer, TCD-infected trees may show wilted brown leaves on branches high in the canopy. More