Table 3 - Lettuce (Lactuca sativa L.) seed quality evaluation using seed physical attributes, saturated salt accelerated aging and the seed vigour imaging system

Table 3. Percentage of emerged seedlings at the stage of expanded cotyledon and useful plants obtained under greenhouse conditions from six lettuce varieties with four seed lots obtained from different production conditions.

Variety	Lot	Emerged seedlings	Seedlings with expanded cotyledons	Useful plants
A	1	93	58	99
	2	94	46	99
	3	88	44	98
	4	42	20	99
	Variety	89 ab	47 a	99 ab
B	5	83	52	98
	6	66	32	90
	7	75	43	96
	8	79	47	96
	Variety	76 c	43 ab	95 c
C	9	91	51	98
	10	91	52	96
	11	83	52	100
	12	93	59	100
	Variety	89 b	53 a	99 ab
D	13	73	1	100
	14	89	64	90
	15	90	58	100
	16	95	62	100
	Variety	87 b	46 ab	98 bc
E	17	94	43	100
	18	90	34	100
	19	85	29	100
	20	88	28	100
	Variety	89 b	33 b	100 a
F	21	98	54	100
	22	93	42	100
	23	95	46	100
	24	98	44	100
	Variety	96 a	46 ab	100 a

Values in columns followed by different letters showed statistical differences, LSD (P < 0.05).

Variety

Lot

Emerged seedlings

Variety

Variety

Variety

Variety

Variety

Variety