Table 1.
Pigments content (mg g−1 fresh weight) and, temperature response of photosynthesis (PN), dark respiration (RD), transpiration (E), stomatal conductance (gs), mesophyll efficiency (Ci/gs ratio) and water use efficiency (WUE) in different drug and fiber type varieties of Cannabis sativa L.
| Cannabis varieties | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| T (°C) | Drug type | Fiber type | |||||||
| HP Mexican | MX | W1 | Felinq 34 | Kompolty | Zolo 11 | Zolo 15 | LSD P < 0.05 | ||
| Pigments content | |||||||||
| Chl a | 2.44 ± 0.22 | 1.82 ± 0.42 | 1.44 ± 0.20 | 1.23 ± 0.19 | 1.49 ± 0.15 | 1.22 ± 0.23 | 1.63 ± 0.13 | 0.72 | |
| Chl b | 0.71 ± 0.07 | 0.53 ± 0.05 | 0.49 ± 0.06 | 0.48 ± 0.05 | 0.52 ± 0.03 | 0.49 ± 0.06 | 0.51 ± 0.07 | 0.48 | |
| Chl a/b ratio | 3.28 ± 0.92 | 3.32 ± 0.89 | 2.78 ± 0.63 | 2.61 ± 0.52 | 2.81 ± 0.32 | 2.44 ± 0.44 | 3.14 ± 0.31 | 0.12 | |
| Total Chl | 3.16 ± 0.63 | 2.38 ± 0.62 | 1.90 ± 0.54 | 1.76 ± 0.32 | 2.08 ± 0.45 | 1.70 ± 0.38 | 2.18 ± 0.37 | 1.54 | |
| Carotenoid (Car) | 0.40 ± 0.06 | 0.36 ± 0.03 | 0.22 ± 0.02 | 0.17 ± 0.03 | 0.13 ± 0.04 | 0.28 ± 0.05 | 0.19 ± 0.02 | 0.17 | |
| Total Chl/Car | 6.66 ± 0.97 | 6.42 ± 0.48 | 8.48 ± 0.62 | 9.78 ± 0.62 | 15.27 ± 1.03 | 5.78 ± 0.62 | 10.78 ± 1.24 | 4.32 | |
| PN | 20 | 15.24 ± 2.42 | 14.30 ± 2.34 | 13.76 ± 2.51 | 14.89 ± 1.32 | 15.54 ± 2.11 | 12.38 ± 3.21 | 17.45 ± 2.13 | 1.65 |
| 25 | 19.32 ± 1.98 | 21.62 ± 2.44 | 22.22 ± 2.32 | 22.76 ± 1.48 | 20.23 ± 1.23 | 23.46 ± 1.24 | 21.76 ± 2.42 | 0.76 | |
| 30 | 26.34 ± 2.73 | 20.16 ± 3.12 | 22.32 ± 1.24 | 21.23 ± 2.12 | 19.31 ± 1.62 | 24.83 ± 2.22 | 23.93 ± 2.41 | 1.11 | |
| 35 | 26.42 ± 1.27 | 18.30 ± 2.38 | 18.92 ± 1.42 | 19.82 ± 2.23 | 17.45 ± 1.41 | 22.35 ± 2.31 | 18.78 ± 1.88 | 2.04 | |
| 40 | 22.12 ± 2.18 | 18.22 ± 2.14 | 16.32 ± 1.44 | 17.54 ± 2.11 | 16.94 ± 1.22 | 20.12 ± 2.16 | 14.76 ± 1.67 | 1.58 | |
| LSD, P < 0.05 | 3.76 | 3.29 | 4.12 | 2.15 | 3.12 | 4.78 | 3.44 | ||
| RD | 20 | 1.81 ± 0.24 | 1.37 ± 0.16 | 1.12 ± 0.42 | 1.32 ± 0.19 | 1.45 ± 0.29 | 1.00 ± 0.22 | 1.21 ± 0.32 | 0.32 |
| 25 | 2.42 ± 0.14 | 2.65 ± 0.32 | 2.14 ± 0.32 | 2.56 ± 0.32 | 2.76 ± 0.33 | 1.98 ± 0.43 | 2.12 ± 0.37 | 0.14 | |
| 30 | 2.80 ± 0.22 | 2.78 ± 0.41 | 2.76 ± 0.33 | 2.58 ± 0.44 | 2.77 ± 0.25 | 2.62 ± 0.33 | 2.48 ± 0.32 | 0.18 | |
| 35 | 2.79 ± 0.37 | 2.72 ± 0.44 | 2.77 ± 0.39 | 2.94 ± 0.39 | 2.97 ± 0.38 | 2.61 ± 0.21 | 2.41 ± 0.44 | 0.20 | |
| 40 | 2.72 ± 0.19 | 2.71 ± 0.31 | 2.75 ± 0.28 | 2.99 ± 0.27 | 2.78 ± 026 | 2.58 ± 0.37 | 2.39 ± 0.29 | 0.41 | |
| LSD, P < 0.05 | 0.25 | 0.13 | 0.41 | 0.21 | 0.19 | 0.22 | 0.15 | ||
| gs | 20 | 35.01 ± 2.34 | 63.81 ± 6.38 | 41.26 ± 3.45 | 61.75 ± 5.23 | 53.15 ± 3.78 | 33.86 ± 4.29 | 34.56 ± 5.23 | 4.92 |
| 25 | 43.97 ± 3.76 | 86.15 ± 7.22 | 53.15 ± 5.82 | 84.94 ± 6.92 | 57.78 ± 4.92 | 40.69 ± 4.01 | 39.81 ± 4.92 | 7.16 | |
| 30 | 64.93 ± 4.22 | 56.49 ± 7.17 | 53.08 ± 4.42 | 56.60 ± 6.66 | 50.91 ± 5.57 | 53.69 ± 4.99 | 49.30 ± 4.12 | 8.12 | |
| 35 | 69.92 ± 5.89 | 51.24 ± 3.93 | 50.19 ± 6.37 | 47.79 ± 6.38 | 42.33 ± 4.44 | 51.18 ± 3.92 | 47.72 ± 3.97 | 6.54 | |
| 40 | 59.00 ± 8.23 | 42.53 ± 4.75 | 35.45 ± 3.15 | 40.37 ± 4.23 | 40.89 ± 4.12 | 48.31 ± 5.01 | 43.59 ± 4.11 | 4.98 | |
| LSD, P < 0.05 | 5.65 | 4.28 | 5.55 | 5.76 | 4.11 | 4.98 | 5.17 | ||
| TR | 20 | 2.65 ± 0.22 | 3.73 ± 0.32 | 3.27 ± 0.30 | 3.24 ± 0.42 | 2.85 ± 0.22 | 4.14 ± 0.38 | 3.98 ± 0.40 | 0.80 |
| 25 | 2.74 ± 0.31 | 4.12 ± 0.38 | 3.76 ± 0.40 | 4.65 ± 0.51 | 3.20 ± 0.31 | 4.96 ± 0.42 | 4.75 ± 0.33 | 1.54 | |
| 30 | 3.71 ± 0.33 | 4.35 ± 0.41 | 4.12 ± 0.43 | 5.12 ± 0.49 | 3.98 ± 0.29 | 5.62 ± 0.49 | 4.80 ± 0.34 | 1.32 | |
| 35 | 4.15 ± 0.41 | 4.76 ± 0.28 | 4.37 ± 0.37 | 5.38 ± 0.38 | 4.64 ± 0.37 | 5.67 ± 0.46 | 4.89 ± 0.41 | 0.98 | |
| 40 | 4.25 ± 0.39 | 4.85 ± 0.42 | 4.54 ± 0.44 | 5.88 ± 0.47 | 4.65 ± 0.39 | 5.78 ± 0.52 | 4.98 ± 0.38 | 0.87 | |
| LSD, P < 0.05 | 1.08 | 0.75 | 0.66 | 0.78 | 0.68 | 0.72 | 0.65 | ||
| Ci | 20 | 300 ± 22.42 | 298 ± 19.23 | 288 ± 20.21 | 268 ± 18.76 | 278 ± 12.99 | 258 ± 15.29 | 262 ± 18.37 | 18.12 |
| 25 | 270 ± 22.23 | 280 ± 18.77 | 278 ± 21.82 | 265 ± 18.69 | 276 ± 21.23 | 249 ± 18.12 | 258 ± 20.55 | 12.47 | |
| 30 | 261 ± 25.76 | 270 ± 19.29 | 276 ± 22.13 | 240 ± 19.78 | 253 ± 14.76 | 240 ± 13.87 | 245 ± 19.23 | 14.78 | |
| 35 | 258 ± 19.98 | 268 ± 22.13 | 265 ± 21.22 | 238 ± 15.12 | 240 ± 15.23 | 239 ± 13.23 | 239 ± 21.76 | 9.88 | |
| 40 | 249 ± 21.37 | 245 ± 21.28 | 240 ± 22.32 | 220 ± 14.23 | 238 ± 19.22 | 228 ± 20.12 | 228 ± 22.19 | 12.94 | |
| LSD, P < 0.05 | 1.24 | 0.56 | 1.02 | 0.74 | 0.69 | 0.77 | 0.59 | ||
| Ci/gs | 20 | 8.57 ± 0.44 | 4.67 ± 0.66 | 6.98 ± 0.32 | 4.34 ± 0.38 | 5.23 ± 0.41 | 7.62 ± 0.34 | 7.58 ± 0.24 | 1.52 |
| 25 | 6.14 ± 0.34 | 3.25 ± 0.42 | 5.23 ± 0.38 | 3.12 ± 0.34 | 4.78 ± 0.32 | 6.12 ± 0.37 | 6.48 ± 0.32 | 2.11 | |
| 30 | 4.02 ± 0.43 | 4.78 ± 0.32 | 5.20 ± 0.42 | 4.24 ± 0.45 | 4.97 ± 0.38 | 4.47 ± 0.34 | 4.97 ± 0.37 | 1.30 | |
| 35 | 3.69 ± 0.41 | 5.23 ± 0.27 | 5.28 ± 0.27 | 4.98 ± 0.43 | 5.67 ± 0.42 | 4.65 ± 0.29 | 5.01 ± 0.34 | 1.22 | |
| 40 | 4.22 ± 0.22 | 5.76 ± 0.43 | 6.77 ± 0.35 | 5.45 ± 0.37 | 5.82 ± 0.33 | 4.72 ± 0.41 | 5.23 ± 0.39 | 1.74 | |
| LSD, P < 0.05 | 2.01 | 1.15 | 1.04 | 0.96 | 0.55 | 0.47 | 0.63 | ||
| WUE | 20 | 5.56 ± 0.46 | 3.83 ± 0.29 | 4.20 ± 0.36 | 4.59 ± 0.46 | 5.45 ± 0.43 | 2.99 ± 0.22 | 4.38 ± 0.27 | 0.76 |
| 25 | 7.05 ± 0.65 | 5.24 ± 0.48 | 5.91 ± 0.45 | 4.88 ± 0.29 | 6.32 ± 0.52 | 4.72 ± 0.34 | 4.58 ± 0.44 | 0.54 | |
| 30 | 7.10 ± 0.59 | 4.74 ± 0.37 | 5.41 ± 0.48 | 4.14 ± 0.28 | 4.84 ± 0.49 | 4.41 ± 0.39 | 4.98 ± 0.32 | 1.34 | |
| 35 | 5.75 ± 0.43 | 3.84 ± 0.29 | 4.34 ± 0.39 | 3.68 ± 0.41 | 4.31 ± 0.40 | 3.94 ± 0.33 | 3.84 ± 0.36 | 1.22 | |
| 40 | 4.19 ± 0.44 | 3.75 ± 0.40 | 3.59 ± 0.42 | 2.98 ± 0.30 | 3.90 ± 0.46 | 3.48 ± 0.28 | 2.96 ± 0.21 | 0.74 | |
| LSD, P < 0.05 | 1.24 | 0.56 | 1.02 | 0.74 | 0.69 | 0.77 | 0.59 | ||