Plant Diseases

Phytophthora infestans is a pathogen that causes late blight in potatoes, tomatoes, and more. We provide strategies for managing this disease!

Apple scab is a common fungal infection in apple trees. Our guide discusses treatment and prevention strategies to control apple scab.

What is blight on plants? We explain common forms of blight, how they appear, and basics on how to control or treat this category of diseases.

Potato scab is a common tuber disease that makes your potatoes look lumpy. We explore this disease, its bacterial cause, and treatment!

If you’ve seen a dark brown spot or brown spot lesions on your plants, you’re not alone. We explore what the causes of brown spots may be!

The black knot fungus causes ugly, black galls to form on stone fruit trees. We discuss prevention and control methods you can use!

Brown rot is caused by a fungus that lives on stone and pome fruits. We discuss this fungal disease and how to control, prevent, or treat it!

Crown gall impacts a wide variety of fruit trees and other shrubs. Our guide reveals the cause and explains prevention of this plant problem!

There are many mosaic virus types that cause a host of problems for plants. We discuss different variations and how to prevent them.

There are a number of plum tree diseases that you’ll need to watch vigilantly for. We discuss the most common diseases common to plums!

The cucumber mosaic virus is one of a wider category of plant viruses, but it’s very common. We’re sharing our top prevention methods!