Table 3.

Mean ovule lengths and widths

			Ovule length (μm)					Ovule width (μm)
Flowers harvested	Tree	Treatment	Fertilized	s.d.	Not fertilized	s.d.	P	Fertilized	s.d.	Not fertilized	s.d.	P
4 weeks after	319	Self	1054	171	1023	189	0·620	759	150	672	209	0·060
pollination		Cross	1027	145	907	117	0·010	744	147	619	90	0·004
	503	Self	953	116	878	75	0·028	704	97	639	76	0·033
		Cross	926	103	852	76	0·019	654	71	581	86	0·011
	537	Self	1110	–	889	148	–	770	–	652	131	–
		Cross	1097	187	933	130	0·023	813	112	681	118	0·024
6 weeks after	319	Self	1580	452	1105	189	0·050	1080	408	726	149	0·090
pollination		Cross	1973	235	1032	169	<0·001	1357	276	714	191	<0·001

–, Variables for which data are unavailable.