Armed with a list of 13 crown and root diseases in strawberries, Siva Sabaratnam of the Ministry of Agriculture took the stage at the 2016 Pacific Agriculture Show in Abbotsford to discuss options for management of some of the most likely suspects to damage the berry crop. Colletotrichum crown rot is caused by the fungi Colletotrichum gloeosporioides and Colletotrichum fragariae.Both pathogens kill strawberry plants by aggressively invading crown tissue. In this year the disease appeared consistently and increased in the following seasons, becoming a c … significant problem in Kentucky strawberry fields. So do pay close attention when planting your strawberry plant, and be sure to check out the video from Bonnie Plants below to get a good visual on how this is done. As its name implies, it destroys the crown of strawberry plants. After some of the planting material was evaluated by plant pathologists, the cause for the observed die-back often was identified as Anthracnose Crown Rot (ACR), one of the most serious diseases in Strawberries in the Southeast. However, while this disease is infrequent, anthracnose fruit and crown rot infections can severely reduce plant stands and yields when it does occur. ID/Disease Cycle: This fungus is an increasingly important pathogen of strawberries in New England.Colletotrichum species can cause fruit rot, crown rot, and lesions on leaves, runners, and petioles. Treat black root rot by improving the soil. were repeatedly isolated from crown tissues of wilting strawberry plants from the cultivars 'Sonata', 'Jive', 'Elsanta', 'Malling Centenary' and 'Portola' in Belgium. Pestalotiopsis longisetula is a well-known pathogen of strawberry fruit and leaves in subtropical areas. Most commonly, the fungus causes brown areas or brown outlines to form on green strawberries. Strawberry crown rot disease (Figure 1) is caused by the soil-borne fungus Phytophthora cactorum (P. cactorum). In 2015, Pestalotiopsis spp. Leather Rot (Crown Rot) of the Strawberry. strawberry production. Symptoms of anthracnose fruit rot include circular, sunken, water-soaked tan to brown lesions on both green and ripe fruit. Leather rot (also known as crown rot) is caused by the fungus Phytophthora cactorum and affects strawberries in poorly drained soils where there is or has been standing water. Even though the disease can be caused by different pathogens, symptoms are indistinguishable, and the impact of crown rot can be equally devastating. ACR is primarily caused by Colletotrichum gloeosporioides. The disease is In the 2017 strawberry season, several transplant losses reaching 50% were observed in Zamora, Michoacán Valley, Mexico, due to a new fungal disease associated with root rot, crown rot, and leaf spot. Only the fruit rot phase will be discussed here. 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