Table 1.
Physiological reaction of reed canary grass and cocksfoot subjected to water stress measured by the factors biomass fresh and dry weights (one measurement per pot at the end of the experiment), leaf relative water content (three measurements per pot) and chlorophyll content (five measurements per pot) at the end of the experiment (n = 4 except for control n = 8)
Treatment | Least squares means | ||||
---|---|---|---|---|---|
Reed canary grass | Cocksfoot | ||||
Mean* | s.e. | Mean* | s.e. | ||
Biomass fresh (g) | Control | 18.8125b | 1.2493 | 6.5613d | 1.0095 |
Drought | 13.0500b | 1.7668 | 4.7950d | 1.4277 | |
Waterlogging | 32.9583a | 2.1235 | 5.0775d | 1.4277 | |
Biomass dry (g) | Control | 3.4000 b | 0.3693 | 0.4850d | 0.1338 |
Drought | 3.1000b | 0.5223 | 0.3350d | 0.1892 | |
Waterlogging | 5.7778a | 0.6277 | 0.3250d | 0.1892 | |
Chlorophyll† | Control | 33.7313ab | 0.7448 | 32.7000d | 1.1126 |
Drought | 31.1000a | 1.0533 | 34.3625d | 1.5734 | |
Waterlogging | 35.1625b | 1.0533 | 32.9750d | 1.5734 | |
Leaf RWC (%)‡ | Control | 96.9138a | 0.8440 | 95.9500d | 0.7802 |
Drought | 91.9350b | 1.1935 | 95.7275d | 1.1034 | |
Waterlogging | 96.5075ab | 1.1935 | 94.5300d | 1.1034 |
*Means having letters in common are not statistically different.
†Chlorophyll content in relative units.
‡Relative water content (RWC) of leaf.