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Effect of short periods of high-temperature stress on potato (Solanum tuberosum L.) plants

Effect of short periods of high-temperature stress on potato (Solanum tuberosum L.) plants

Cultivos Tropicales 14(2/3): 53-56

In pot trials, 25-d-old potato Obelix and Red Pontiac plants were maintained under ambient conditions at 25/20 degrees C day/night temperatures or placed under 10-h photoperiod at a constant temperature of 35 degrees C for 72 h. Stress increased plant height and decreased leaf expansion and proline content in Obelix, while these parameters were little affected in Red Pontiac. During the stress period, nitrate reductase activity increased in Obelix but decreased in Red Pontiac.

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Accession: 002604449

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