Table 2.

Hypocotyl elongation after heat shock

38°C	—	+	+
45°C	—	—	+
Col-O	12.6  ± 1.3	11.9  ± 1.6	6.2  ± 0.9  (49.2%)
hot1	12.6  ± 1.1	11.6  ± 1.1	0  ± 0  (0%)
hot2	4.2  ± 0.8	4.0  ± 0.9	0  ± 0  (0%)
hot3	11.7  ± 1.2	10.8  ± 0.8	0  ± 0  (0%)
hot4	11.6  ± 1.6	10.8  ± 2.0	1.0  ± 1.0  (8.6%)

Measurement of hypocotyl growth after heat stress (in mm) was made on at least 18 seedlings from two independent assays. Each value represents the means ± SD. The numbers in parentheses indicate % elongation compared to that at 22°C.