Table 5.
Salinity (mmol L−1) | Initial germination (%, mean ± s.e.) | Recovery percentage (mean ± s.e.) | Final germination (%, mean ± s.e.) | Total viable seeds (%, mean ± s.e.) | Viable ungerminated seed (%, mean ± s.e.) | |
---|---|---|---|---|---|---|
Brown seeds | 0 | 94 ± 4a | 25 ± 25b | 95 ± 4a | 100 ± 0a | 5 ± 4c |
200 | 80 ± 5ab | 51 ± 17ab | 93 ± 1a | 100 ± 0a | 7 ± 1c | |
400 | 48 ± 7c | 79 ± 7ab | 88 ± 5a | 100 ± 0a | 12 ± 5c | |
600 | 53 ± 11bc | 86 ± 3a | 94 ± 2a | 100 ± 0a | 6 ± 2c | |
800 | 31 ± 4cd | 79 ± 4ab | 85 ± 4ab | 100 ± 0a | 15 ± 4bc | |
1000 | 22 ± 2d | 83 ± 7a | 87 ± 5a | 100 ± 0a | 13 ± 5c | |
1400 | 10 ± 1e | 76 ± 9ab | 78 ± 8ab | 100 ± 0a | 22 ± 8bc | |
2000 | 0 ± 0f | 51 ± 4ab | 51 ± 4c | 100 ± 0a | 49 ± 4a | |
4000 | 0 ± 0f | 61 ± 8ab | 61 ± 8bc | 100 ± 0a | 39 ± 8ab | |
Black seeds, unstratified | 0 | 24 ± 5a | 23 ± 6a | 41 ± 6a | 100 ± 0a | 59 ± 6c |
200 | 9 ± 3ab | 12 ± 3abc | 19 ± 5b | 100 ± 0a | 81 ± 5b | |
400 | 2 ± 1b | 15 ± 3abc | 17 ± 3bc | 100 ± 0a | 83 ± 3ab | |
600 | 0 ± 0b | 7 ± 2abc | 7 ± 2bc | 100 ± 0a | 93 ± 2ab | |
800 | 1 ± 1b | 10 ± 4abc | 11 ± 3bc | 100 ± 0a | 89 ± 3ab | |
1000 | 0 ± 0b | 20 ± 5ab | 20 ± 5b | 100 ± 0a | 80 ± 5b | |
1400 | 0 ± 0b | 3 ± 1bc | 3 ± 1bc | 100 ± 0a | 97 ± 1ab | |
2000 | 0 ± 0b | 1 ± 1c | 1 ± 1c | 100 ± 0a | 99 ± 1a | |
4000 | 0 ± 0b | 3 ± 3bc | 3 ± 3bc | 100 ± 0a | 97 ± 3ab | |
Black seeds after 8 weeks cold stratification | 0 | 78 ± 2a | 11 ± 7c | 81 ± 3a | 100 ± 0a | 19 ± 3c |
200 | 65 ± 9ab | 28 ± 14bc | 73 ± 8ab | 100 ± 0a | 27 ± 8bc | |
400 | 58 ± 7a | 50 ± 11ab | 77 ± 6ab | 100 ± 0a | 23 ± 6bc | |
600 | 35 ± 4bc | 54 ± 3ab | 70 ± 1ab | 100 ± 0a | 30 ± 1bc | |
800 | 18 ± 7cd | 43 ± 8abc | 53 ± 8bc | 100 ± 0a | 47 ± 8ab | |
1000 | 10 ± 3d | 65 ± 8a | 68 ± 8abc | 100 ± 0a | 32 ± 8abc | |
1400 | 0 ± 0e | 60 ± 3ab | 60 ± 3abc | 100 ± 0a | 40 ± 3abc | |
2000 | 0 ± 0e | 53 ± 3ab | 53 ± 3bc | 100 ± 0a | 47 ± 3ab | |
4000 | 0 ± 0e | 44 ± 4abc | 44 ± 4c | 100 ± 0a | 56 ± 4a |
Different lower-case letters in each column for the same seed type indicate significant differences across all concentrations of NaCl.