Table 1 Means of the characters scored on maternal plants and offspring for the different crossing types (with SE and sample sizes in parentheses). Significant differences between crossing types are indicated by different letters (Tukey's test), where the ranking of letters corresponds to the ranking of means. Characters included in the multiplicative combination of fitness components are indicated by asterisks

From: Fitness of F₁ hybrids between weedy Brassica rapa and oilseed rape (B. napus)