Fig. 2

Seedling performance at various temperatures. Seedlings of three inbred lines were grown to V3 stage at 24 °C/22 °C (a), transferred for four days to 14 °C/12 °C (b), then for four days to 8 °C/6 °C (c), and finally for two days to 24 °C/22 °C (d). Photographs were taken at the end of each period