[Liste] 56 Sarcococca Blight

Leaves lose luster and may burn in full sun.

Sarcococca blight. Winter hardy to usda zones 7 9 where it is best grown in acidic organically rich moderately fertile moist but well drained soils in part shade to full shade. It is caused by volutella buxiwhich is the asexual stage of the fungus pseudonectria rousseliana. Box blight doesn t kill the roots of box plants. Box blight is a disease of box leaves and stems caused by the fungus cylindrocladium buxicola syn. Use of whole genome sequencing for fungal plant disease diagnosis martha malapi wight academia edu early and accurate diagnosis of new plant pathogens is vital for the rapid implementation of effective mitigation strategies and appropriate regulatory responses. A two fungi are particularly associated with box blight and others may also be involved. This results in browning of the leaves and dieback of branches leaving bare patches in hedges and topiary specimens.

Blight symptoms were observed on sarcococca and adjacent buxus sempervirens boxwood plants in maryland during 2014. Symptoms on sarcococca were novel and included twig dieback and dark lesions. Cylindrocladium buxicola is divided into two genetic types which differ in their sensitivity to some fungicides triazoles. Best in part shade. The most damaging is cylindrocladium buxicola which initially produces dark brown or black spots on the leaves and black streaks on the stems followed by grey patches under the leaves. Best with consistent moisture.