Publications for:

pest = Phytoplasma mali
crop = Hazelnut (Corylus)

found 2 publications:

1998

Current status of molecular classification of the phytoplasmas
Journal of Plant Pathology (1998) 80 (1), 3-26
publishers website - pestinfo wiki

1996

Association of phytoplasmas with the decline of European hazel in southern Italy
Plant Pathology (1996) 45 (5), 857-863
publishers website - pestinfo wiki