To control Peach Leaf Curl, treat Peach and Nectarine trees with a fungicide in the fall after leaves have dropped. In the past, the disease could be successfully treated with either lime-sulfur fungicide or a fixed copper fungicide with a copper compound containing at least 50 …

Dec 26, 2024 · Discover how to protect your peach trees from leaf curl, a common fungal issue that impacts leaf health and fruit yield. This article explores effective spray options, including organic and chemical solutions, to combat the pathogen Taphrina deformans.

Jan 13, 2025 · Learn how to combat pests like Japanese beetles and diseases such as peach leaf curl to ensure a bountiful harvest. We cover organic and chemical spray options, optimal timing for application, and essential best practices for maintaining tree health.

Jan 7, 2025 · Importance of Spraying: Timely spraying of peach trees is essential to prevent pests and diseases, ensuring healthy trees and productive harvests. Timing Matters: Begin spraying in early spring before bud break, with subsequent treatments during flowering and post-fruit set to maximize effectiveness.

Jul 19, 2024 · It’s too late to spray for peach leaf curl once the leaves have begun to show symptoms of the disease; effective control measures must be taken during the dormant season, between leaf drop and bud break. In my experience, detecting peach leaf curl early is essential for the health of your peach and nectarine trees.

Jul 17, 2022 · Peach leaf curl is a real threat to peach trees and nectarine. It can be treated with fungicides after leaf drop. Untreated, it will kill the fruit trees in two to three years.

Spraying dormant peach trees is essential to prevent pest and disease problems during the growing season. Spray a copper fungicide to prevent peach leaf curl and other fungal diseases, and spray horticultural/dormant oil to prevent pests such as aphids, mites, and borers.

Jan 5, 2024 · Unusually warm weather during late winter months can encourage bud swell thereby making fungicide sprays ineffective. Once the fungus enters the leaf, the disease cannot be controlled. The fungicide kills the spores on twig surfaces. For either the spring or the fall spray to be effective, application must be thorough.

Jan 26, 2023 · In late fall or winter, prune peach and nectarine trees to reduce tree size and remove infected wood. Next, use a fungicide such as a copper based spray (organic), or a synthetic fungicide called chlorothalonil. Both products are found at nursery and garden centers.

Disease resistant cultivars are the preferred method for reducing spray inputs. Bacterial spot resistant peach cultivars are listed in Peach Cultivar Performance (HO-6). Information on cultivars, as well as additional pest management information, can be found in the Midwest Home Fruit Production Guide.