Table 3 in Biology, pathotype, and virulence of Globodera rostochiensis populations from Kenya

Table 3. Mean relative susceptibility (Rs %) of six potato cultivars to four G. rostochiensis populations: ‘Ecosse’, ‘HAR2’, ‘KIN1’, and ‘ TGN’a.
‘ Ecosse’‘HAR2’‘ KIN1’‘TGN’CultivarRs (%) aScoreRs (%)ScoreRs (%)ScoreRs (%)Score‘Connect’92.92144.6196.1276.72‘Performer’6.868.1617.045.56‘Rossini’0.190.090.690.19‘Caruso’0.190.590.090.29‘Amanda’0.090.190.190.39‘ Laura’b0.090.090.090.09
Notes: The table shows percentage relative susceptibility (Rs) and the resistance ranking of seven potato cultivars. Data are from two experiments with ten replications per experiment. aRs (%)= Pf/ Pf×100 test cultivar standard susceptible control cultivar and the resistance level (score) determined using the EPPO score scale (1 (>100), 2 (50.1-100%), 3 (25.1-50%), 4 (15.1-25%), 5 (10.1-15%), 6 (5.1-10%), 7 (3.1-5%), 8 (1.1-3%), 9 (≤1%)), where 9 represent the highest level of resistance and 1 represent the least resistant; bReproduction on cv. ‘Laura’ was tested using eye-plugs due to lack of in vitro plants of this cultivar.