The fungal infection causes dark scabby lesions on the leaves and skin of the apple, which leaves the flavor unaffected, but does effectively make it unsalable. “It’s a huge issue,” says Peter Wagner, ...

TRAVERSE CITY, Mich. – Apple growers in the eastern U.S. have a despised enemy known as apple scab — a disease caused by a fungus that forms ugly brown or greenish-black pockmarks on the fruit's skin.

With winter's cold days and colder nights keeping us company, an afternoon sitting in front of the fire appeals to me. Instead, I spend a couple of hours raking up the leaves, twigs and deadfall ...

There are hundreds of choices when picking a crabapple tree from the nursery, but a Purdue University expert says only a handful are resistant to a widespread fungus or other serious diseases. After ...

Traverse City, Mich. -- Apple growers in the eastern U.S. have a despised enemy known as apple scab — a disease caused by a fungus that forms ugly brown or greenish-black pockmarks on the fruit’s skin ...

Apple growers may benefit from sophisticated weather models being developed at UNH that could predict when an orchard is at risk for infection.New Hampshire grows more than $10 million in apples ...

There have been reports that 2024 has been a bad year for apple scab in both fresh-eating apples and crab apples. Apple scab infections on fruit start off olive-green and turn into a rough, cork-like ...

Gardeners who plant apple trees are hopeful souls, putting in saplings as they dream of future pies, sauce and tarts. With each season of growth, we croon encouragement at the plant. To have an apple ...

Apple scab, caused by the fungus Venturia inaequalis, imposes significant economic and environmental burdens through extensive fungicide use and crop losses. Genetic resistance offers a sustainable ...

Q: Can you tell me what is wrong with my crab apple tree, and what I should do about it? The leaves started turning yellow earlier this summer and now there are hardly any leaves left. It looks awful.

BOULDER COUNTY – Gardeners who plant apple trees are hopeful souls, putting in saplings as they dream of future pies, sauce, and tarts. With each season of growth, we croon encouragement at the plant.