Acquired Tolerance of Leaves to Heat

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Science  29 Sep 1961:
Vol. 134, Issue 3483, pp. 941-942
DOI: 10.1126/science.134.3483.941


When bean, cowpea, cucumber, fig and tobacco leaves were heated 15 to 30 seconds at 50°C, 12 to 48 hours later they tolerated a temperature of 55°C up to three times as long for the same degree of heat injury as did leaves which were not previously heated.