What’s Wrong With My Tree? Nematodes
Nematodes Are Non-Segmented Roundworms Nematodes are non-segmented roundworms that live in the soil and play a vital role in the environment, like controlling disease and cycle nutrients. Some feed on plants and algae, others feed on fungi and bacteria, and other nematodes feed on other nematodes. Most nematodes aren’t plant [...]
Jul
What’s Wrong With My Trees? Spotted Lanternfly
Invasive Species Connected To Tree Of Heaven The spotted lanternfly is a planthopper native to Asia and feeds on the sap of over 70 plant species, including grape, apple, hops, oak, walnut, maple, and ornamental plants. Tree of Heaven, another invasive species in Missouri, is a favored host of spotted [...]
Jul
What’s Wrong With My Tree? Powdery Mildew
Powdery Mildew Is A Very Common Fungal Disease Powdery mildew is a very common fungal disease caused by Podosphaera xanthii. This fungus winters in fallen leaves and other green waste. When spring comes along with humid and wet weather, the spores of this fungus spread to new host plants. Common [...]
Jun
What’s wrong with my tree? Thousand cankers disease
Thousand cankers disease affects black walnut trees Did you know that Missouri has more black walnut trees than any other state? This important tree provides wood, edible nuts, and is valued as a shade tree. Thousand cankers disease (TCD) is a devasting fungal disease to this species of trees that [...]
Jun
What Plants Are Affected By Spider Mites?
Spider mites are pests in the Tetranychidae family, which includes spiders. They are so small that you need a magnifying glass to see them clearly, but their presence is unmistakable with the webs they spin around the plants they feed on. They look like small black dots to the naked [...]
Jun