Table 2.
Estimated parameters according to the dose-response model (Equation 2) for plants exposed to increasing laser doses on three growth stages in two experiments (Exp.).
| Exp. | Growth stage | b | d | e | |
|---|---|---|---|---|---|
| Alopecurus myosuroides | 1 | One-leaf stage | -0.49 (1.78) | 8.46 (137) | 4 * 104 (5*105) |
| Two-leaf stage | 2.17 (0.98) | 3.89 (0.18) | 0.26 (0.07) | ||
| Three-leaf stage | 2.26 (0.81) | 6.13 (0.67) | 0.69 (0.14) | ||
| Alopecurus myosuroides | 2 | One-leaf stage | 0.80 (0.66) | 1.62 (0.09) | 0.03 (0.08) |
| Two-leaf stage | 2.12 (0.98) | 3.89 (0.18) | 0.26 (0.07) | ||
| Three-leaf stage | 13.0 (67.0) | 6.59 (0.66) | 0.76 (0.20) | ||
| Beta vulgaris | 1 | Cotyledon stage | 2.01 (0.82) | 21.0 (2.23) | 0.40 (0.09) |
| Two-leaf stage | 0.70 (0.21) | 66.1 (7.18) | 1.24 (0.58) | ||
| Four-leaf stage | 0.39 (0.25) | 85.0 (11.1) | 14.9 (17.5) | ||
| Beta vulgaris | 2 | Cotyledon stage | 8.38 (40.7) | 23.5 (1.95) | 0.38 (0.07) |
| Two-leaf stages | 1.25 (1.19) | 49.5 (12.1) | 2.75 (1.90) | ||
| Four-leaf stages | 10.5 (40.5) | 64.6 (2.38) | 15.1 (9.91) | ||
| Erodium dissectum | 1 | Cotyledon stage | 1.95 (1.30) | 5.65 (0.59) | 0.35 (0.10) |
| Two-leaf stages | 1.09 (0.33) | 7.92 (0.89) | 0.61 (0.22) | ||
| Four-leaf stages | 1.63 (0.69) | 10.4 (1.20) | 3.94 (1.35) | ||
| Erodium dissectum | 2 | Cotyledon stage | 11.7 (26.9) | 2.86 (0.19) | 1.52 (0.17) |
| Two-leaf stages | 1.43 (0.35) | 8.04 (0.64) | 0.61 (0.12) | ||
| Four-leaf stages | 2.84 (1.47) | 9.56 (0.83) | 3.57 (0.70) | ||
| Geranium molle | 1 | Cotyledon stage | 0.67 (0.45) | 3.26 (0.33) | 0.05 (0.09) |
| Two-leaf stages | 1.43 (0.35) | 8.04 (0.64) | 0.61 (0.12) | ||
| Four-leaf stages | 0.73 (0.15) | 15.6 (1.23) | 1.04 (0.35) | ||
| Geranium molle | 2 | Cotyledon stage | 0.88 (0.38) | 3.46 (0.28) | 0.15 (0.11) |
| Two-leaf stages | 1.29 (0.44) | 6.61 (0.50) | 0.28 (0.09) | ||
| Four-leaf stages | 2.28 (1.25) | 16.3 (1.38) | 5.49 (1.29) | ||
| Lamium purpureum | 1 | Cotyledon stage | -0.49 (1.78) | 8.46 (137) | 4.0×104 (4.9×105) |
| Two-leaf stages | 0.34 (0.14) | 25.1 (2.26) | 1.09 (0.80) | ||
| Four-leaf stages | 0.16 (0.09) | 30.3 (3.45) | 4.9×106(3.1×107) | ||
| Lamium purpureum | 2 | Cotyledon stage | - 0.49 (1.78) | 8.46 (137) | 4.0×104 (4.9×105) |
| Two-leaf stages | 0.41 (0.16) | 0.91 (0.09) | 0.91 (0.09) | ||
| Four-leaf stages | 0.28 (0.18) | 31.4 (4.13) | 273 (444) | ||
| Myosotis arvensis | 1 | Cotyledon stage | 0.91 (0.39) | 1.39 (0.15) | 0.21 (0.15) |
| Two-leaf stages | 0.94 (0.35) | 7.43 (1.11) | 0.87 (0.46) | ||
| Four-leaf stages | 0.71 (0.26) | 12.0 (1.56) | 1.42 (0.78) | ||
| Myosotis arvensis | 2 | Cotyledon stage | 1.37 (0.70) | 1.88 (0.20) | 0.25 (0.13) |
| Two-leaf stages | 1.11 (0.37) | 4.82 (0.51) | 0.39 (0.15) | ||
| Four-leaf stages | 0.86 (0.20) | 10.77 (0.96) | 10.8 (0.96) | ||
| Plantago major | 1 | Cotyledon stage | -0.49 (1.78) | 8.46 (137) | 4.0×104 (4.9×105 |
| Two-leaf stages | 1.36 (0.80) | 2.74 (0.50) | 0.89 (0.41) | ||
| Four-leaf stages | 0.78 (0.33) | 15.4 (1.90) | 0.40 (0.24) | ||
| Plantago major | 2 | Cotyledon stage | -0.49 (1.78) | 8.46 (137) | 4.0×104 (4.9×105 |
| Two-leaf stages | 1.40 (2.96) | 4.30 (0.57) | 0.10 (0.33) | ||
| Four-leaf stages | 0.78 (0.33) | 15.4 (1.90) | 040 (0.24) | ||
| Rumex crispus | 1 | Cotyledon stage | 1.94 (1.13) | 7.33 (1.11) | 4.18 (1.89) |
| Two-leaf stages | 1.19 (1.16) | 21.89 (5.00) | 3.25 (1.99) | ||
| Four-leaf stages | 0.37 (0.64) | 37.1 (6.65) | 838 (5008) | ||
| Rumex crispus | 2 | Cotyledon stage | 1.99 (0.89) | 4.70 (0.48) | 0.39 (0.09) |
| Two-leaf stages | 3.27 (1.11) | 30.4 (1.58) | 4.08 (0.47) | ||
| Four-leaf stages | 1.15 (0.83) | 32.1 (3.32) | 12.5 (4.64) | ||
| Sonchus oleraceus | 1 | Cotyledon stage | 0.99 (0.30) | 8.61 (0.759 | 0.29 (0.13) |
| Two-leaf stages | 1.20 (0.38) | 29.6 (3.34) | 0.99 (0.31) | ||
| Four-leaf stages | 0.73 (0.27) | 56.3 (4.69) | 8.47 (2.71) | ||
| Sonchus oleraceus | 2 | Cotyledon stage | 3.23 (2.26) | 10.9 (0.97) | 0.34 (0.06) |
| Two-leaf stages | 1.48 (0.35) | 19.5 (1.76) | 1.23 (0.28) | ||
| Four-leaf stages | 3.48 (2.67) | 41.9 (3.32) | 11.8 (2.3) | ||
| Stellaria media | 1 | Cotyledon stage | 7.27 (NaN) | 4.20 (0.60) | 0.35 (NaN) |
| Two-leaf stages | 0.84 (0.35) | 15.4 (2.49) | 2.21 (1.37) | ||
| Four-leaf stages | 0.56 (0.25) | 10.8 (1.21) | 8.05 (5.19) | ||
| Stellaria media | 2 | Cotyledon stage | 7.27 (NaN) | 4.20 (0.60) | 0.35 (NaN) |
| Two-leaf stages | 0.95 (0.26) | 11.2 (1.16) | 0.88 (0.31) | ||
| Four-leaf stages | 0.85 (0.55) | 12.4 (2.15) | 6.09 (4.56) | ||
| Veronica persica | 1 | Cotyledon stage | 1.46 (0.46) | 3.26 (0.38) | 0.68 (0.20) |
| Two-leaf stages | 0.24 (0.44) | 9.93 (2.46) | 591 (4776) | ||
| Four-leaf stages | 0 (0) | 0.007 (0.188) | NaN (NaN) | ||
| Veronica persica | 2 | Cotyledon stage | 1.46 (0.46) | 3.26 (0.38) | 0.68 (0.20) |
| Two-leaf stages | 0.23 (0.13) | 7.75 (0.63) | 0.46 (1.10) | ||
| Four-leaf stages | 0.41 (0.28) | 14.6 (2.29) | 109 (146) | ||
| Viola arvensis | 1 | Cotyledon stage | 1.05 (2.10) | 1.98 (0.18) | 0.03 (0.17) |
| Two-leaf stages | 0.99 (0.34) | 6.05 (0.65) | 0.38 (0.17) | ||
| Four-leaf stages | 2.26 (0.81) | 6.13 (0.67) | 6.85 (1.35) | ||
| Viola arvensis | 2 | Cotyledon stage | 1.05 (2.10) | 1.98 (0.18) | 0.03 (0.17) |
| Two-leaf stages | 1.56 (0.41) | 1.88 (0.07) | 0.22 (0.05) | ||
| Four-leaf stages | 0.93 (0.34) | 3.58 (0.48) | 1.64 (0.80) |
b: shape parameter; d: upper limit; e: inflection point of the curve.
*NaN, not available.
Standard Errors (SE) in parentheses.