Table 2.

Plant reference standards that have been used in DNA flow cytometry

		Doležel et al. (1998)
Species	Doležel et al. (1992)	Lamp*	Laser†	Mean	Johnston et al. (1999)
Arabidopsis thaliana		0·34	0·43	0·39
Oryza sativa					1·08
Raphanus sativus	1·11	1·11	1·41	1·26
Vigna radiata					1·40
Sorghum bicolor					1·74
Lycopersicon esculentum	1·96
Glycine max‡		2·39	2·91	2·65
Zea mays	5·72	5·44	5·82	5·67	5·73
Lactuca sativa					5·95
Pisum sativum§	9·07	9·09	9·09	9·09	9·39
Nicotiana tabacum					10·04
Hordeum vulgare		10·44	10·43	10·43	11·12
Secale cereale		16·44	15·95	16·19	16·65
Triticum durum					21·50
Vicia faba	26·90	27·84	26·17	27·00	26·66
Triticum aestivum					31·90
Allium cepa	34·76	36·45	33·34	34·89	32·97

^*Arc lamp-based flow cytometers.

^†Laser-based flow cytometers.

^‡Doležel et al. (1994) estimated 2C DNA amount of Glycine max ‘Polanka’ as 2·5 pg.

^§Used as a reference standard by Doležel et al. (1998).