As the infection spreads, the roots of the plant collapse and decay. Symptoms of the Blueberry Scorch Virus will begin to appear this week and next. Blueberry plants (Vaccinium) are susceptible to a wide range of insect pests that can cause major problems with your plants' health and fruit production. Identification of Xylella-infected plants is possible in the field, and once such plants are identified, they should be flagged and immediately destroyed. The variety ‘Top Hat’ is particularly susceptible to this disease. Specific information about differentiating and managing blueberry leaf diseases is presented below. Diseased plants should never be utilized for propagation, whether they have symptoms of Xylella or viruses or other diseases of blueberry. Symptoms are easily seen during bloom and you should be aware that this disease … This is a pocket-sized guide for reference in blueberry fields and can be purchased from MSU Extension at shop.msu.edu (Publication E-2928).. Resources Blueberry bushes are also susceptible to several common diseases, such as mummy berry, stem canker, stem or … Blueberry plants produce delicious edible fruit and the bushes make excellent shrub borders and hedges. Recognizing disease symptoms is key to designing effective blueberry leaf spot treatment and prevention of disease the next season. Blueberry Virus Diseases. Leaves at the bases of young shoots are most likely to exhibit symptoms first. Each is a fungal organism that overwinters in soil or … Round or irregular spots (lesions), usually surrounded by a dark border or yellow halo. Virus diseases also are spread by diseased plants from infected nursery stock. Blue waffles disease is an infection in vagina which is transmitted through sex. Virus diseases are spread to healthy blueberry plants by vectors that include primarily aphids, nematodes, leafhoppers, and occasionally honeybees, which can spread virus-infected pollen. Blueberries & Plant Diseases. Blueberry Diseases Blueberry Dieback & Root Rot This fungus thrives in waterlogged soils, both in containers and in the open ground. Early Season Blueberry Diseases Exobasidium, Mummy Berry, and Fruit Rots (Phil Brannen, UGA Blueberry Blog, 10/31,2013) Apply lime sulfur as a late dormant spray (about 1-2 weeks prior to bud break) for Exobasidium and Phomopsis control Apply Indar + Captan from green tip through petal fall for mummy berry management Anthracnose and Septoria are the two main causes of leaf spotting. The information presented here about diseases was developed from the publication A Pocket Guide to IPM Scouting in Highbush Blueberries by Annemiek Schilder, Rufus Isaacs, Eric Hanson and Bill Cline. Blueberry Scorch Disease. Magnesium deficiency, common in acid soils, causes interveinal reddening because chlorophyll production is reduced. The name waffle is used to denote vagina and hence this disease is indicative of vaginal infection.Some of the common symptoms of this disease are vaginal swelling with patches of welts in and around vagina and on the opening of labia.. General key for leaf symptoms: A. Symptoms begin as an interveinal yellowing and progress to a bright red. Viral diseases – Blueberry Scorch and Sheep Pen Hill Disease. Florida Blueberry Leaf Disease Guide 2 many different leaf symptoms caused by a variety of abiotic problems as well as diseases. Begin scouting for development of scorch at this time and flag all suspect bushes.