Table 2.

Changes, during imbibition at 10 °C, in cyanide content in axes isolated from dormant and non-dormant sunflower embryos, treated or not by gaseous cyanide (1 mM) during the first 3 h of their imbibition

Seed	Duration of imbibition (h)	Cyanide content (μmol g −1 DW) of axis isolated from
		Control embryos	CN-treated embryos
Dormant	0	nd	–
	3	6.9±0.9	755.8±15.9
	24	6.7±0.9	94.0±11.5
Non dormant	0	nd	–
	3	6.9±0.9	1903.5±50.9
	24	7.9±0.8	207.4±12.5

Mean ±SD of three measurements; nd, non detectable.