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Table 1 Origin and ecological traits of B. xylophilus strains used in this study

From: Genome-wide variation in the pinewood nematode Bursaphelenchus xylophilus and its relationship with pathogenic traits

Strains Origin Line/ Isolate Virulence1 Reproductive ability on fungus2 Reproductive ability on Pinus trees3
C14-5 Chiba, Japan Isolate +5,6 +5,6,7 +5,6
OKD1-F7 OKD-1 isolate (Okayama, Japan) Inbred line +4 +4 +4
S10-P3 S10 isolate (Shimane, Japan) Inbred line ++4 ++++4 ++4
S10-P9 S10 isolate (Shimane, Japan) Inbred line ++++4 ++++4 ++++4
T4 Iwate, Japan Isolate ++++6 ++++6,7 -
Ka4C1 Ka-4 isolate (Ibaraki, Japan) Inbred line ++++5 ++++5 ++++5
  1. 1Virulence is defined as degree of pathogenicity. Mortality of Pinus thunbergii seedlings: + < 25 %; ++: 25-50 % and ++++: > 75-100 %. 2Percentage increase of initial population cultured on Botrytis cinerea after 5-8 days; +: < 1.1x; ++++: > 20x initial population. 3Percentage increase of initial population in inoculated P. thunbergii seedlings after 28 days; +: < 1.1x; ++: 1.1-6x; ++++: > 20x initial population; - : no information available. Information was obtained from 4Shinya et al., 2012; 5Aikawa and Kikuchi, 2007, information for Ka4 original isolate; 6Mota et al., 2006; 7Wang et al., 2005