How to Prevent Armillaria Root Rot on Apple Trees

A close up of a dead stump with lots of light brown mushrooms growing on and around it with fall leaves and forest in soft focus in the background.

Armillaria root rot is a serious fungal infection that attacks many different plants. This fungus can devastate apples and most other kinds of fruit trees. Resistant to fungicide treatments, it is difficult to control. Learn what makes this pathogen so hard to control and how to prevent infection in your apple trees.

How to Manage Root Rot in Fruit, Nut, and Landscape Trees and Shrubs

Tree roots infected with root rot.

Phytophthora and the fungi Armillaria, Phymatotrichum, and Xylaria can all cause devastating cases of root rot on fruit, nut, and landscape trees along with woody shrubs. Prevention is the best way to manage these diseases. Read on to learn the best ways to avoid these diseases and biocontrol agents and fungicides that may help with Phytophthora root rot.

How to Identify and Prevent Apple Cork Spot

An apple hanging from a tree with signs of cork spot.

If your apples have green dimples on them, they do not have a fungal disorder. Your fruit lack calcium and have apple cork spot. You can prevent this from happening in the future by liming your soil or spraying your trees with calcium. Read on to find out how to diagnose and prevent this physiological disorder.

How to Identify, Prevent, and Treat Gummosis on Fruit Trees

Close up of gummosis on an apricot tree trunk.

Is your apricot, peach, plum, cherry, or apple tree oozing a lot of gum? If so, it may be infected with the fungus Leucostoma that causes apricot gummosis and cankers. This fungus only infects stressed trees and enters through wounds, so you may be able to avoid it entirely. Read more about how to prevent this disease and ways to treat it.

How to Prevent and Control Powdery Mildew on Apple Trees

An apple tree branch complete coated in a Podosphaera leucotricha fungal infection showing the characteristic white powder-like coating on the leaves.

Do you have a white powdery coating on the leaves of your apple trees? Are trying to figure out what it might be? It’s likely powdery mildew and it needs to be managed. This disease is found in every region of the world that grows apples and damages leaves, limbs, fruit, and may even make an apple harvest impossible. Read on to learn how to recognize this pernicious disease and how to treat it.

19 Apple Tree Varieties That’ll Knock Your Socks Off

Closeup of apple tree branches covered with red fruit and green leaves, against a white sky.

Selecting the best apple tree varieties can be disappointing and fruitless (pun intended) if you don’t pick the right trees. Cold hardiness, flowering groups, and chill hours can be overwhelming, and don’t get me started on the trouble with triploids. Read more to learn about picking the right ones for your yard.

Growing Apple Trees: A Fruitful Primer

A person is picking a perfectly ripe, bright red apple from a tree branch that is supporting many of the delicious fruits.

There’s an old saying that society grows great when people plant trees they’ll never enjoy the shade of. That’s a fine sentiment, but why not enjoy the fruits of our labor along the way? Growing apple trees offers long-term benefits, and in just a few years we can enjoy the fruit of our trees. Read on to learn how.