Morphological Characterization of Diaspores, Seed Germination and Estimation of Reproductive Phenology of Cereus fernambucensis (Cactaceae)
Abstract
1. Introduction
2. Materials and Methods
2.1. Location of the Fruit Collection Area
2.2. Floristic Identification of the Species
2.3. Physical and Morphological Characterization of Diaspores
2.4. Germination Test
2.5. Estimation of Reproductive Phenology
2.6. Statistical Analysis
3. Results
3.1. Physical and Morphological Characterization
3.2. Seed Germination
3.3. Reproductive Phenology
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
BOD | Biological oxygen demand |
CCA | Centro de Ciências Agrárias |
CV | Coefficient of variation |
FD | Fruit diameter |
FL | Fruit length |
FM | Fruit mass |
G | Germination percentage |
IUCN | International Union of Conservation of Nature |
MGR | Mean germination rate |
MGT | Mean germination time |
MVA | Mean vector angle |
MVL | Mean vector length |
NS | Number of seeds per fruit |
RH | Relative humidity |
T | Temperature |
TSM | Thousand-seed mass |
UFPB | Universidade Federal da Paraíba |
Z | Synchrony index |
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Biometric Characteristics | Minimum | Maximum | Mean | Standard Deviation | CV (%) |
---|---|---|---|---|---|
Length (mm) | 23.05 | 78.20 | 44.76 | 11.68 | 62.38 |
Diameter (mm) | 20.31 | 44.82 | 28.77 | 5.65 | 26.10 |
Fruit mass (g) | 5.28 | 76.69 | 21.11 | 13.17 | 19.63 |
Number of seeds | 82 | 1221 | 336 | 233.30 | 69.48 |
Thousand-seed mass (g) | 1.11 | 2.16 | 1.58 | 0.22 | 13.92 |
Light Treatments | MGT (days) | MGR (days−1) | Synchrony (Z) |
---|---|---|---|
White light | 7.17 ± 1.58 | 0.14 ± 0.02 | 0.34 ± 0.05 |
Continuous darkness | – | – | – |
Phenophase | N | Mean Date | MVA (µ) | MVL (r) | Rayleigh (z) | Rayleigh (p) |
---|---|---|---|---|---|---|
Flowering | 120 | January 1st | 1.071° | 0.265 | 8.414 | 2.22 × 10−4 |
Fruiting | 83 | March 2nd | 60.512° | 0.164 | 2.231 | 0.107 |
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Silva, J.H.C.S.; Souza, A.d.G.; Alves, E.U. Morphological Characterization of Diaspores, Seed Germination and Estimation of Reproductive Phenology of Cereus fernambucensis (Cactaceae). Int. J. Plant Biol. 2025, 16, 81. https://doi.org/10.3390/ijpb16030081
Silva JHCS, Souza AdG, Alves EU. Morphological Characterization of Diaspores, Seed Germination and Estimation of Reproductive Phenology of Cereus fernambucensis (Cactaceae). International Journal of Plant Biology. 2025; 16(3):81. https://doi.org/10.3390/ijpb16030081
Chicago/Turabian StyleSilva, João Henrique Constantino Sales, Aline das Graças Souza, and Edna Ursulino Alves. 2025. "Morphological Characterization of Diaspores, Seed Germination and Estimation of Reproductive Phenology of Cereus fernambucensis (Cactaceae)" International Journal of Plant Biology 16, no. 3: 81. https://doi.org/10.3390/ijpb16030081
APA StyleSilva, J. H. C. S., Souza, A. d. G., & Alves, E. U. (2025). Morphological Characterization of Diaspores, Seed Germination and Estimation of Reproductive Phenology of Cereus fernambucensis (Cactaceae). International Journal of Plant Biology, 16(3), 81. https://doi.org/10.3390/ijpb16030081