This article is a list of diseases of peaches and nectarines. Agrobacterium tumefaciens (Smith and Townsend 1907) Conn 1942. Phony disease = phony peach. Xylella fastidiosa Wells et al. 1987. FUNGAL DISEASES. Alternaria rot. Maybe you notice the leaves curling unusually. Here are some of the most common problems along with their nectarinedisease treatment recommendations: Peach leaf curl – Peach leaf... Nectarinedisease symptoms may not be readily apparent, and you may have to do some serious observation to locate issues. Step 1. Powdery mildew, another commonnectarine tree disease, causes a white, powdery mildew on the fruit. Agriculture experts with the Tree Fruit Research and Education Center at... Possibly the most commonnectarine (Prunus persica) tree disease, leaf curl, or peach leaf curl, is a fungal disease that infects all areas of the tree's young, developing tissue. During the first year, diseased, broken, and low-hanging limbs are removed.Commonnectarinediseases are leaf curl, brown rot, leaf shot hole, scab, bacterial spot and powdery mildew. Skip to 2025 Peach and NectarineDisease and Pest Management Guide. This publication is intended to help you manage diseases and pests (arthropods and weeds) of peaches. What is the most commondisease for nectarine trees? Peach leaf curl is the most prevalent issue, identifiable by distorted, reddish leaves in spring. It requires preventative dormant spraying. Read about Shot Hole Disease, European Red Mite, Peach Leaf Curl, San Jose Scale, Black Peach Aphid and Rust in peach and nectarine crops. Fruit cracking and rust spot diseases are the most common physiological diseases of nectarines during their growth, and they are prone to occur from their break stage. Learn how to start nectarine farming in Kenya with this complete guide. Discover planting tips, certified seedlings, expected yields, pests management, and profit potential in KShs. CommonNectarineDiseases to Watch For. Fruit Characteristics: Flavor, Ripening Time, and Use. Savoring the Sweetness: Flavor Profiles and Ripening Windows. The disease can cause distortion of blossoms, leaves, fruit and shoots of the plant. In some years, the disease can cause significant defoliation and yield loss. Symptoms.