Table 2 Comparative analysis of sex-inducing activity after the point-of-no-return
Test food | Number of worms at stage 3 onwards | Significancea | Number of worms at stages 4–5 | Significanceb |
|---|---|---|---|---|
Fr. M0 | ||||
 Dugesia ryukyuensis | 3 / 30 | – | 0 / 30 | <  0.0002 |
 Bdellocephala brunnea | 4 / 30 | – | 0 / 30 | <  0.0002 |
 Bipalium nobile | 30 / 30 | <  2.44E-12 | 13 / 30 | – |
Fr. M10 | ||||
 Dugesia ryukyuensis | 7 / 29 | – | 0 / 29 | <  0.0002 |
 Bdellocephala brunnea | 20 / 25 | <  4.24E-5 | 2 / 25 | <  0.008 |
 Bipalium nobile | 21 / 30 | <  4.21E-4 | 0 / 30 | <  0.0002 |