Larkspur virescence | Larkspur

HOST:Larkspur

HOST (LATIN):Delphinium sp.

PATHOGEN:Candidatus Phytoplasma asteris

SYNONYM:Phytoplasma Aster yellows group

SOURCE:R. Raabe

Two diseased plants with stunted and small leaves, lack of flower coloration, and bunched flower buds. Healthy plant (left).