Fig. 6From: Lethal temperature for pinewood nematode, Bursaphelenchus xylophilus, in infested wood using radio frequency (RF) energyIR image of a thoroughly heated sample that had no nematode survival (a) and of a sample that had nematode survival due to a cold spot (b). Target temperature for both was 56 °C. Note that the temperature range is exclusively for the boxed area that covers the surface of the inoculated sample (cold spot is blue in color) (color figure online)Back to article page