Publications for:

pest = Phytoplasma ulmi
crop = Zelkova (crop)

found 2 publications:

2008
Infections of Candidatus Phytoplasma ulmi in Ulmus parvifolia, Ulmus sp. and Zelkova serrata trained as bonsais
Journal of Plant Pathology (2008) 90 (2), 345-349
publishers website - pestinfo wiki

'Candidatus Phytoplasma ulmi' causing yellows in Zelkova serrata newly reported in Italy
Plant Pathology (2008) 57 (6), p. 1174
publishers website - pestinfo wiki