Table 1.

Characteristics of T cycles and N–H cycles in arabidopsis experiments. Readings were taken at 2-h intervals

	Cycle period (h)	Light period (h)	Dark period (h)	Ratio Light:dark periods	Cycle characteristics	Data source
TOC1 T cycles	28	14	14	1:1	Light:dark period ratio fixed at 1:1; cycle period, light and dark periods variable	Fig. 2 of Dodd et al. (2014)
	24	12	12	1:1
	20	10	10	1:1
CAB2 T cycles	28	9·3	18·7	1: 2	Light:dark period ratio fixed at 1:2; cycle period, light and dark periods variable	Fig. 1 of Kim et al. (2003), averaged over three cycles;
	24	8·0	16·0	1: 2
	20	6·7	13·3	1: 2
LHY T cycles	28	9·3	18·7	1: 2	Light:dark period ratio fixed at 1:2; cycle period, light and dark periods variable	Figs 2 and 3 of Roden et al. (2002), averaged over three cycles
	24	8·0	16·0	1: 2
	20	6·7	13·3	1: 2
	16	5·3	10·7	1: 2
LHY N–H cycles	28	8	20	1: 2·5	Light period fixed at 8 h; dark period, cycle period and light:dark period ratio variable	Figs 2 and 3 of Roden et al. (2002), averaged over two cycles
	24	8	16	1: 2·0
	20	8	12	1: 1·5
	16	8	8	1: 1·0