Table 3.
Changes in the proportions of germinable and dormant seeds in samples of four perennial grasses stored under different regimes for varying periods
Germinable | Dormant | |||||
---|---|---|---|---|---|---|
seeds | seeds | |||||
Week | Lab. | Oven | Soil | Lab. | Oven | Soil |
Bothriochloa pertusa | ||||||
36 | 56a | 46a | 0a | 7c | 10c | 5b |
44 | 7b | 12b | 0a | 50ab | 50b | 20a |
64 | 2b | 0b | 1a | 57a | 57ab | 8b |
96 | 6b | 0b | 0a | 41b | 72a | 1b |
Heteropogon contortus | ||||||
36 | 68a | 47a | 0b | 10c | 14c | 3a |
44 | 67a | 31b | 5a | 8c | 56b | 1b |
64 | 33b | 0c | 6a | 24b | 56b | 1b |
96 | 23b | 0c | 1b | 38a | 72a | 1b |
Themeda triandra | ||||||
36 | 16a | 11a | 0a | 70a | 81a | 4a |
44 | 9ab | 8ab | 0a | 70a | 73a | 1b |
64 | 17a | 0b | 0a | 71a | 86a | 1b |
96 | 5b | 0b | 0a | 81a | 76a | 0b |
Urochloa mosambicensis | ||||||
36 | 1a | 2a | 0b | 98a | 97a | 35a |
44 | 2a | 2a | 1b | 97a | 98a | 28b |
64 | 1a | 0b | 15a | 99a | 100a | 2c |
96 | 0a | 0b | 0b | 99a | 100a | 2c |
Values for germinable or dormant seeds of a species within a treatment followed by the same letter are not significantly different (P > 0.05).