Table 2.
Mean number of flowers produced (± s.d.), floral sex ratio, significance tests and relationships between male and female flower production (F value and R2) in six experimental populations of Sagittaria trifolia
| Population | Number of individuals | Total number of flowers | Number of male flowers | Number of female flowers | F‐value | R 2 | F/M ratio |
| Garden 1 | 45 | 139·4 ± 82·8 | 123·1 ± 72·5 | 16·2 ± 12·2 | 91·771*** | 0·681 | 0·136 |
| Garden 2 | 46 | 205·3 ± 107·0 | 164·9 ± 80·6 | 40·5 ± 29·8 | 109·57*** | 0·713 | 0·233 |
| Hao 1999 | 71 | 110·3 ± 74·1 | 93·2 ± 62·0 | 17·1 ± 13·3 | 252·955*** | 0·781 | 0·184 |
| Hao 2000 | 83 | 165·0 ± 91·7 | 138·3 ± 71·6 | 26·7 ± 24·0 | 135·055*** | 0·625 | 0·176 |
| Cha 1999 | 105 | 102·8 ± 56·3 | 83·9 ± 44·9 | 18·8 ± 14·0 | 145·362*** | 0·585 | 0·225 |
| Cha 2000 | 105 | 48·9 ± 22·9 | 41·5 ± 19·0 | 7·3 ± 5·8 | 54·975*** | 0·35 | 0·179 |
| ANOVA results F5,450 | 42·512*** | 44·332*** | 28·161*** | 7·119*** |
Inter‐population comparison of male and female flower production and floral sex ratio is also shown.
*** P < 0·0001.