Recovery of maize seedling growth, development and photosynthetic efficiency after initial growth at low temperature (original) (raw)

2005, Journal of Plant Physiology

In order to investigate the mechanisms of maize adaptation to temperate climate, we studied photosynthetic efficiency, as evaluated by means of F PSII and chloroplast ultrastructure, as well as growth and development of two inbred lines (the chillingtolerant KW 1074 and the chilling-sensitive CM 109) under laboratory conditions. Plants were grown from seed to the 3rd leaf stage at a suboptimal temperature (14 1C/ 12 1C) and then the temperature was increased to 24 1C/22 1C. To verify the results obtained with the two model lines, twelve inbred lines were tested under both laboratory and field conditions. .pl (P. Sowiński).

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