Table 4.

Peak areas of chemical groups of volatile compounds on vase life of Narcissus tazetta var. chinensis Roem.

Compounds	Single-flowered (peak areas)								Double-flowered (peak areas)
	0	1	2	3	4	5	6		0	1	2	3	4	5	6
Monoterpenes	940.48	2500.74	2537.91	742.07	45.00	8.93	5.46		419.87	2984.5	3586.4	10979.8	3763.44	1186.83	757.38
Monoterpene alcohols	72.30	129.43	115.48	55.99	20.99	17.78	1.21		21.43	148.73	190.86	284.2	244.95	159.81	32.88
Monoterpene ketone						0.10	11.10
Monoterpene esters		8.19	6.77	6.81	4.43	8.43			6.08	9.08	3.72	11.06	9.56
Monoterpene oxide	143.23	158.73	144.65	64.14	11.56	2.76	1.45		85.13	222.04	268.56	450.91	271.2	122.62	65.85
Aromatic alcohols	1.40	1.82	1.51								0.72	1.12
Aromatic esters	691.18	1349.47	1408.55	131.71	27.09	10.67	4.47		232.58	965.83	1056.47	1714.60	641.75	277.98	107.25
Sesquiterpene		8.15	2.56	2.50	4.32	4.22
Aliphatic esters	53.12	65.55	69.01	51.97	12.43	16.82	6.10		27.84	112.41	153.53	130.96	132.68	62.27	39.20
Hydrocarbons	14.67	15.92	18.71	21.57	15.70	15.00	5.51		50.10	48.66	41.23	58.73	47.78	2.08
Other	12.50	36.07	34.48	18.03	1.81	0.61				30.26	41.90	19.40	14.22	10.52	9.35
Totals (peak areas)	1928.88	4274.07	4339.63	1094.79	143.33	85.32	35.30		843.03	4521.51	5343.39	13650.78	5125.58	1822.11	1011.91

Notes: All the definitions of the symbols used in Table 3 mean values were also used in Table 4.