From Cone to Seed and Seedling—Characterization of Three Portuguese Pinus pinaster Aiton Populations
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Site Characterization
2.2. Climate Data
2.3. Cone Sampling and Processing
2.4. Seed Germination
2.5. Seedling Nursing and Biometric Traits
2.6. Statistical Analysis
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Site | Year | Precip (mm/year) | Mean Temp (°C) | Temp Max (°C) | Temp Min (°C) | Max Days without Rain |
---|---|---|---|---|---|---|
M | 1 | 1115 | 15.3 ± 4.6 | 40.8 | −0.9 | 98 |
2 | 960 | 15.5 ± 3.9 | 35.8 | 0.1 | 30 | |
T | 1 | 1082 | 15.2 ± 4.5 | 40.5 | 0.2 | 98 |
2 | 838 | 15.6 ± 3.9 | 35.4 | 1.0 | 30 | |
PV | 1 | 952 | 15.4 ± 4.7 | 39.9 | 1.6 | 100 |
2 | 742 | 15.7 ± 4.1 | 34.9 | 2.2 | 35 |
Population | Cone Mass (g) | Seeds Per Cone | Mean Seed Mass (g) | Germination Rate (%) |
---|---|---|---|---|
M | 100.3 ± 26.9 a | 135.7 ± 30.4 a | 0.056 ± 0.01 a | 76.7 b |
T | 89.1 ± 28.6 b | 80.4 ± 43.5 b | 0.059 ± 0.01 b | 88.9 a |
PV | 88.6 ± 26.8 b | 116.3 ± 27.5 c | 0.054 ± 0.01 c | 72.5 b |
Estimate | Std. Error | z Value | p (>|z|) | |
---|---|---|---|---|
Intercept | −0.566251 | 0.367505 | −1.738 | 0.082162 |
Mean seed mass | 16.277369 | 6.389929 | 2.547 | 0.010855 * |
Mean cone mass | 0.010359 | 0.002757 | 3.757 | 0.000172 * |
T population (T) | 0.906588 | 0.189284 | 4.790 | 1.67 × 10−6 * |
Goodness of fit test: Χ2 = 8.47; df = 8 | 0.39 |
Population | T Height (cm) | S Height (cm) | bsd (mm) | Ratio T Height/bsd |
---|---|---|---|---|
M | 21.34 ± 2.94 a | 18.18 ± 3.01a | 3.52 ± 0.37 a | 6.11 ± 0.95 a |
T | 21.06 ± 3.01 a | 18.12 ± 3.11a | 3.51 ± 0.46 a | 5.69 ± 1.09 a |
PV | 19.66 ± 2.90 b | 16.71 ± 2.76 b | 3.52 ± 0.37 a | 6.02 ± 0.88 a |
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Maia, P.; Corticeiro, S. From Cone to Seed and Seedling—Characterization of Three Portuguese Pinus pinaster Aiton Populations. Seeds 2022, 1, 126-135. https://doi.org/10.3390/seeds1020011
Maia P, Corticeiro S. From Cone to Seed and Seedling—Characterization of Three Portuguese Pinus pinaster Aiton Populations. Seeds. 2022; 1(2):126-135. https://doi.org/10.3390/seeds1020011
Chicago/Turabian StyleMaia, Paula, and Sofia Corticeiro. 2022. "From Cone to Seed and Seedling—Characterization of Three Portuguese Pinus pinaster Aiton Populations" Seeds 1, no. 2: 126-135. https://doi.org/10.3390/seeds1020011
APA StyleMaia, P., & Corticeiro, S. (2022). From Cone to Seed and Seedling—Characterization of Three Portuguese Pinus pinaster Aiton Populations. Seeds, 1(2), 126-135. https://doi.org/10.3390/seeds1020011