Table 3. Percentage of samples in which pollen tubes in self- and unrelated crosses of Pachira quinata had reached the ovary.

Hours after pollination	Self cross	Unrelated cross	2	P-value
48	15%	56%	8.699	0.003
72	64%	90%	5.404	0.020
120	89%	90%	0.009	0.923

All pollinations made at 20:00 hours on eight clones. Number of samples (n) varies from 19–32.