WebOct 18, 2024 · Join Virginia Tech Plant Pathologist, Mary Ann Hansen, as she discusses common plant diseases in Virginia. In this video she talks about black root rot on Ja... http://www.thebritishgardener.com/2013/05/headache-hollies-crenata-conundrum.html

publication 450-606 Black Root Rot of Japanese Holly

WebMay 1, 2024 · The most common cause of dieback in Japanese holly is the root disease, black root rot, which gets its name from the masses of black fungal spores that form in and on infected roots. Japanese holly … WebThe Japanese hollies (Ilex crenata): The Japanese hollies are evergreen shrubs with relatively small, spineless leaves and black fruit. They are usually 3 to 10 feet high, with a similar spread and look more like a boxwood than a holly. They range from slow-growing to relatively fast-growing, and are a good choice for hedges. inx international careers

What Kind of Shrub Do I Have: Japanese Holly Shrub Davey Tree

Webon Japanese and blue hollies, inkberry, pansy, petunia, and vinca. In addition to ornamentals, numerous vegetable and agronomic crops are susceptible. Refer to Table 1 for a partial listing of some of the hosts susceptible to black root rot. Symptoms Black root rot results in the decay of root systems; however, the most obvious WebRoot Disease Thielaviopsis black root rot, pythium and phytophthora root rot are all commonly found on holly. All these root diseases cause yellowing of leaves, premature leaf drop,... WebJul 30, 2024 · Japanese hollies are very susceptible to black root rot. Heavy soils and poor drainage make the plants susceptible. Do you have a sprinkler system or water on a schedule? If so, this can affect the root system of the plants too. Check the drainage in the area and correct if possible. inx international locations