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Overview of the EPG waveforms that occurred over 1 h. In the resistant variety B5 (top), waveform type 5 (phloem sap ingestion) was interrupted at least five times and lasted no longer than 10 min uninterrupted. In the susceptible variety TN1 (bottom), waveform type 5 occurred twice and was interrupted after 2 min (at about 4,850 s) on one occasion, whereas the other occurrence lasted for more than 35 min (from 5,000 s to 7,200 s).
