From: Variations in growth and genetic properties of Zea mays L. germinants exposed to cold shock
Parameters | Control | 0.5 h | 1.5 h | 3 h | 6 h | 12 h | p value |
---|---|---|---|---|---|---|---|
Length of prominent root (mm) | 141.8a | 107.2b | 91.4b | 97.2b | 104.4b | 108.2b | 0.054 |
Length of prominent leaf (mm) | 100.6a | 83.6b | 62.6b | 83.4b | 85.5b | 76.2b | 0.128 |
Length of sheath (mm) | 46.2a | 45.6a | 31.6a | 46.3a | 46.6a | 48.8a | 0.302 |
Number of roots b | 6a | 9a | 8a | 7a | 7a | 7a | 0.429 |
Height (mm) | 78.6a | 67.7bc | 52.3c | 76.6ab | 66.9bc | 65.8c | <0.001 |
Chlorophyll content (CCI) | 3.7a | 4.8a | 6.9a | 5.3a | 5.6a | 4.7a | 0.082 |
Wet weight of root (g) | 0.08a | 0.06a | 0.07a | 0.08a | 0.07a | 0.04a | 0.128 |
Wet weight of seedling (g) | 0.24a | 0.25a | 0.16a | 0.19a | 0.22a | 0.21a | 0.219 |
Wet weight of leaf (g) | 0.15a | 0.15a | 0.09a | 0.25a | 0.19a | 0.14a | 0.256 |
Wet weight of seed (g) | 0.17a | 0.26a | 0.12a | 0.23a | 0.2a | 0.22a | 0.186 |
Dry weight of root (g) | 0.04a | 0.07a | 0.05a | 0.04a | 0.06a | 0.07a | 0.267 |
Dry weight of seedling (g) | 0.05a | 0.05a | 0.06a | 0.07a | 0.05a | 0.06a | 0.142 |
Dry weight of leaf (g) | 0.04a | 0.06a | 0.08a | 0.06a | 0.06a | 0.05a | 0.464 |
Dry weight of seed (g) | 0.11a | 0.11a | 0.14a | 0.12a | 0.09a | 0.11a | 0.392 |