Fig. 2From: Population structure of Venturia inaequalis, a causal agent of apple scab, in response to heterogeneous apple tree cultivationThe principal coordinate analysis of a chord distance matrix among (a) 20 populations of V. inaequalis, (b) 8 populations of V. inaequalis derived from the Rvi6 apple cultivar and (c) 12 populations of V. inaequalis derived from the Rvi1, Rvi17 and âRvi0â cultivarsBack to article page