Abstract
Using self-incompatible and self-compatible strains of the Brassica genus, growth was observed based on pistil dry weight, pistil length, parenchymatous cell length in styles, conductive cell length in stigmas and papilla cell length on stigmas. Growth curves of the four characters were exponential before anthesis. Relative growth rates were lower in self-incompatible strains than in self-compatible ones. Growth of papilla cells was retarded for several days before anthesis. Retardation was more prominent in self-incompatible strains. Retardation and a decrease in self-fertility appeared in growing buds at the sarne time.
