Table 1.

Mean growth rate of C. amoenum, C. spectabile and C. incurvum pollen tubes in grains producing three tubes, in the first 5 s after tube emergence (time 0) in 500 g L^–1 sucrose

	Growth rate (µm–1)
	0–2 s			2–5 s
Species	Tube 1	Tube 2	Tube 3	Tube 1	Tube 2	Tube 3
C. amoenum	38·1 (4·00)	36·6 (5·31)	39·1 (3·87)	12·5 (1·95)	3·1 (1·04)	13·9 (3·67)
C. spectabile	38·4 (2·18)	32·7 (2·16)	45·8 (5·59)	3·0 (0·79)	7·6 (2·32)	12·5 (2·29)
C. incurvum	48·8 (8·12)	49·8 (11·34)	39·4 (9·71)	10·6 (4·95)	10·8 (6·13)	8·3 (2·76)

Standard error of the means is given in parenthesis.