Table 2.

Fates of seeds sown at a depth of 50 mm and treated with [16+3] irrigation for 35 d, or [16+0] or [24+0] irrigation for 20 d (refer to the caption of Fig. 5 for each treatment)

Species	Emerged from sand	Germinated in sand but not emerged	Newly germinated in Petri dishes	Total germination
[16+3] (35 d after beginning of irrigation)
A. squarrosum	7 (4·6)	1 (1·3)	59 (8·9)	68 (9·2)
B. dasyphylla	0 (0)	11 (2·3)	62 (9·8)	73 (9·5)
A. adscensionis	0 (0)	>40 (5·8)	0 (0)	>40 (5·8)
[16+0] (20 d after irrigation)
A. squarrosum	1 (1·2)	0 (0)	91 (2·5)	92 (1·2)
B. dasyphylla	0 (0)	9 (3·5)	82 (3·7)	91 (5·0)
A. adscensionis	0 (0)	>49 (4·4)	0 (0)	>49 (4·4)
[24+0] (20 d after irrigation)
A. squarrosum	1 (1·3)	5 (3·2)	84 (4·1)	91 (3·1)
B. dasyphylla	0 (0)	2 (1·5)	85 (4·6)	88 (4·0)

After irrigation in pots, ungerminated seeds in sand were transferred to filter paper in Petri dishes and irrigated with water, and seeds in the Petri dishes were examined for germination for another 10 d.

Data are the means of five replications with standard errors in parenthesis.