Pre-Germination Treatments at Operational Scale for Six Tree Species from the Sclerophyll Forest of Central Chile
Abstract
:1. Introduction
2. Results
2.1. Seed Characterization
2.2. Nurseries Survey
2.3. Germination Experiment
3. Discussion
3.1. Seed Characterization
3.2. Germination Experiment
3.3. Operational Applicability of Pre-Germination Treatments
4. Materials and Methods
4.1. Species Selection and Locations for Seed Collection
4.2. Seed Characterization
4.3. Pre-Germination Treatments
4.4. Germination Experiment
4.5. Data Analysis
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Species | Seed Moisture Content (g g−1) | ||
---|---|---|---|
Initial | Soaking in Water 24 h | Soaking in Water 48 h | |
Quillaja saponaria | 0.139 ± 0.042 b | 0.851 ± 0.108 a | 0.935 ± 0.075 a |
Lithraea caustica | 0.097 ± 0.023 b | 0.522 ± 0.040 a | 0.536 ± 0.021 a |
Acacia caven | 0.273 ± 0.056 c | 0.627 ± 0.062 b | 0.903 ± 0.098 a |
Porlieria chilensis | 0.182 ± 0.077 c | 0.458 ± 0.065 b | 0.626 ± 0.074 a |
Kageneckia angustifolia | 0.101 ± 0.030 c | 0.867 ± 0.105 b | 1.054 ± 0.089 a |
Ceratonia chilensis | 0.101 ± 0.027 b | 0.217 ± 0.055 a | 0.262 ± 0.046 a |
Pre-Germination Treatment | Without Restrictions (%) | Restrictions Due to Capabilities Techniques (%) | Restrictions Due to Infrastructure and/or Equipment (%) | Don’t Know the Benefits (%) |
---|---|---|---|---|
Water Soaking (RT) | 100 | - | - | - |
Plant Hormone (1) * | 67 | 16.5 | 16.5 | - |
Wet-cold Stratification | 67 | 16.5 | - | 16.5 |
Physical Scarification (2) | 100 | - | - | - |
Mechanical Scarification | 50 | 33 | 17 | - |
Chemical Scarification (3) | 50 | 33 | 17 | - |
Species | Soaking in Water (%) | Physical Scarification (%) (1) | Chemical Scarification (%) (2) | Soaking in Coke® (%) | Direct Sowing (%) |
---|---|---|---|---|---|
Quillaja saponaria | 83 | 0 | 0 | 0 | 17 |
Lithraea caustica | 0 | 20 | 60 | 20 | 0 |
Acacia caven | 0 | 20 | 60 | 20 | 0 |
Porlieria chilensis | 100 | 0 | 0 | 0 | 0 |
Kageneckia angustifolia | 100 | 0 | 0 | 0 | 0 |
Ceratonia chilensis | 34 | 33 | 33 | 0 | 0 |
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Cartes-Rodríguez, E.; Álvarez-Maldini, C.; Acevedo, M.; González-Ortega, M.; Urbina-Parra, A.; León-Lobos, P. Pre-Germination Treatments at Operational Scale for Six Tree Species from the Sclerophyll Forest of Central Chile. Plants 2022, 11, 608. https://doi.org/10.3390/plants11050608
Cartes-Rodríguez E, Álvarez-Maldini C, Acevedo M, González-Ortega M, Urbina-Parra A, León-Lobos P. Pre-Germination Treatments at Operational Scale for Six Tree Species from the Sclerophyll Forest of Central Chile. Plants. 2022; 11(5):608. https://doi.org/10.3390/plants11050608
Chicago/Turabian StyleCartes-Rodríguez, Eduardo, Carolina Álvarez-Maldini, Manuel Acevedo, Marta González-Ortega, Alejandro Urbina-Parra, and Pedro León-Lobos. 2022. "Pre-Germination Treatments at Operational Scale for Six Tree Species from the Sclerophyll Forest of Central Chile" Plants 11, no. 5: 608. https://doi.org/10.3390/plants11050608