Lilac witches'-broom

Lilac witches’-broom (LWB) is a disease of lilacs caused by the Phytoplasma Candidatus Phytoplasma fraxini. This phytoplasma was first identified as the causal agent of Ash Yellows and has since been attributed to both diseases.

Lilac witches'-broom

Lilac witches’-broom (LWB) is a disease of lilacs caused by the Phytoplasma Candidatus Phytoplasma fraxini. This phytoplasma was first identified as the causal agent of Ash Yellows and has since been attributed to both diseases.