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Table 2 M. persicae EPG parameters measured on a susceptible (PB2013046) and a resistant (PB2013071) C. baccatum accession

From: Reduced phloem uptake of Myzus persicae on an aphid resistant pepper accession

Class Trait Definitiona 2,013,046 2,013,071 P-value
Non-probing (NP) Number of NP 15.7 17.3 0.5645
Total duration of NP (min) 21.3 21.3 0.9879
Probes Number of Probes 14.8 16.3 0.5870
Total duration of Probes (min) 338.6 338.6 0.9874
Pathway phase (C) Number of C (pathway periods) 24.4 27.8 0.3528
Total duration of pathway period (min) 125.0 155.1 0.1206
Derailed stylet (F) Number of periods with F form 3.3 1.5 0.0650
Total duration of F period (min) 72.9 59.8 0.6230
Xylem phase (G) Number of periods with G form 2.1 1.7 0.5651
Total duration of G period (min) 32.9 33.4 0.9686
Time to first G phase (min) 162.8 153.2 0.8326
Phloem phase (E) Number of salivation periods (E1) 6.1 9.4 0.0265
Time to first E1 (min) 105.1 82.2 0.4575
Total duration of E1 (min) 28.6 80.0 0.0001
Total duration of phloem uptake (E2, min) 78.9 10.5 0.0032
Time to first E2 (min) 258.5 324.0 0.0414
Number of E1 followed by E2 1.2 0.3 0.0049
Total duration of E1E2 (min) 86.6 5.5 0.0008
Time to first E1E2 (min) 225.4 324.4 0.0037
Potential drops (Pd) Number of potential drops 83.7 156.4 0.0000
Number of Pd per min of Pathway C 0.7 1.0 0.0025
Aphids reaching E2 Percentage of aphids reaching E2 75% 47% 0.1010
  1. Data are based on 20 and 17 aphids tested on PB2013046 and PB2013071, respectively. Mean values are shown