When bean, cowpea, cucumber, fig and tobacco leaves were heated 15 to 30 seconds at 50 degrees C, 12 to 48 hours later they tolerated a temperature of 55 degrees C up to three times as long for the same degree of heat injury as did leaves which were not previously heated.
No takes yet. Share an insight, caveat, or question.
C. E. Yarwood (1961) studied this question.