Table 3.
Abortion rate of developing seeds, predation rate by larvae of a seed-consuming pollination fly and number of viable seeds in two populations (Huluhai and Yongjiongyi) in three consecutive years (2012–2014) of Rheum nobile, a perennial, semelparous (monocarpic) plant of the high Himalayas
| Year | n | Abortion rate (%) (mean ± s.e.) | Predation rate (%) (mean ± s.e.) | Viable seeds (mean ± s.e.) | |
|---|---|---|---|---|---|
| Huluhai | 2012 | 5 | 7.9 ± 2.9 | 26.5 ± 2.0 | 7534 ± 1045 |
| 2013 | 5 | 9.9 ± 2.9 | 26.6 ± 2.0 | 6879 ± 1045 | |
| 2014 | 12 | 22.1 ± 2.0 | 23.7 ± 1.4 | 5574 ± 739 | |
| Yongjiongyi | 2012 | 7 | 9.0 ± 2.6 | 27.6 ± 1.8 | 6532 ± 1045 |
| 2013 | 6 | 8.8 ± 2.6 | 26.8 ± 1.8 | 6691 ± 953 | |
| 2014 | 16 | 26.6 ± 2.4 | 21.8 ± 1.7 | 5636 ± 883 |