Best treatment for boxwood blight8/30/2023 ![]() This too leads to twig and leaf dieback – but black streaks characteristic of box blight do not form and the shrubs will not typically lose their leaves with this infection. In wet conditions, you may also be able to see white spore masses of the fungus under infected leaves.Īnother fungal disease, Volutella blight, may initially be confused for box blight.Black streaks and dieback will be visible on the stems.Leaves turn brown and fall off, leaving bare patches.Identifying Box Blightįirst things first, it is important to be able to spot box blight and identify it correctly. However, all is not lost – the good news is that box blight does not affect the plant roots, only the above-ground growth. The sooner you spot the problem, the more likely it is that you will be able to save your plants.īox blight is the most serious of a number of infections which can present problems for box. Retrieved April 25, 2023, from īox blight can be a serious problem, and it is important to remain vigilant. In an organic garden, you will obviously avoid the use of synthetic fungicides, but in any case, fungicides alone are rarely able to cure the problem. Cylindrocladium buxicola, a new species affecting Buxus spp., and its phylogenetic status. Two genetic types of fungus called Cylindrocladium buxicola are responsible for this problem. ![]() What Is Box Blight?īox blight is a fungal infection which impacts box hedges or topiary. In this article, we will introduce this common problem, and talk through what you can do to deal with this issue in an organic garden. Box blight is a fungal disease that can pose major problems for gardeners with box hedges.
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