Transmittance Properties of Healthy and Infected Coffee Robusta Leaves with Coffee Leaf Miner (CLM) Pests †
Abstract
:1. Introduction
2. Materials and Methods
2.1. Plant Identification
2.2. Transmittance Properties
2.3. Statistical Analyses
3. Results and Discussion
3.1. Microscopic Characterization of Coffee Robusta Leaves
3.2. Transmittance Measurements
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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RGB Data * | Normalized Intensity (a.u.) | I535/575 | Chlorophyll-a Concentration (mg/L) | |
---|---|---|---|---|
Red | Green | Range (Mean ± St.Dev.) | ||
Healthy | 0.27–0.96 | 0.31–0.98 | 0.81–0.97 (0.92) | 0.34 |
Infected | 0.08–0.16 | 0.30–0.85 | 0.26–0.39 (0.33) | 0.12 |
Robusta Leaves | Healthy | Infected | ||||
---|---|---|---|---|---|---|
Spectrum | UV | Visible | Near-IR | UV | Visible | Near-IR |
Range | 71.15–95.44 | 42.65–75.9 | 33.3–47.56 | 75.95–139.65 | 59.25–109 | 38.03–68.18 |
Mean ± St.Dev. | 84.35 ± 6.95 | 65.96 ± 5.34 | 41.53 ± 3.26 | 95.06 ± 15.21 | 74.19 ± 11.91 | 47.06 ± 7.16 |
Variance | 48.25 | 28.55 | 10.62 | 231.2 | 141.77 | 51.21 |
Skew | 0.05 | 0.07 | 0.06 | 1.34 | 1.34 | 1.31 |
Kurtosis | −0.88 | −0.78 | −0.66 | 2.58 | 2.54 | 2.76 |
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Bulan, J.; Cadondon, J.; Lesidan, J.R.; Vallar, E.; Galvez, M.C. Transmittance Properties of Healthy and Infected Coffee Robusta Leaves with Coffee Leaf Miner (CLM) Pests. Eng. Proc. 2023, 56, 9. https://doi.org/10.3390/ASEC2023-15235
Bulan J, Cadondon J, Lesidan JR, Vallar E, Galvez MC. Transmittance Properties of Healthy and Infected Coffee Robusta Leaves with Coffee Leaf Miner (CLM) Pests. Engineering Proceedings. 2023; 56(1):9. https://doi.org/10.3390/ASEC2023-15235
Chicago/Turabian StyleBulan, Jejomar, Jumar Cadondon, James Roy Lesidan, Edgar Vallar, and Maria Cecilia Galvez. 2023. "Transmittance Properties of Healthy and Infected Coffee Robusta Leaves with Coffee Leaf Miner (CLM) Pests" Engineering Proceedings 56, no. 1: 9. https://doi.org/10.3390/ASEC2023-15235