Fruit-set activity to extracts of endosperm and ovuie coats from ovules 7 days after anthesis. Different amounts of ovule
extracts, and of GA,, were applied to ovaries from emasculated flowers in 20 jil of solution (4 to 5 replicates, per treatment).
Fruil-set is expressed as the number of ovaries set over the total number treated. Data of ovary lenght and weight are average
values based on ovaries set ± SEM. +, all ovaries degenerated.