Fig. 3From: Widespread occurrence of ‘Candidatus Phytoplasma ulmi’ in elm species in Germanya, sampling sites with predominant elm species. Blue square, U. glabra; Green square, U. laevis; Orange square, U. minor. b, presence of ‘Ca. P. ulmi’ at the sampling sites based on qPCR results. Green dot, no phytoplasmas found; Yellow dot, up to one-third of trees infected; Orange dot, more than one-third and up to two-thirds of trees infected; Red dot, more than two-thirds and up to 100% of trees infectedBack to article page