Photothermal time
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Photothermal time (PTT) is a product between growing degree-days (GDD) and day length (hours) for each day. PTT = GDD × DL[1] It can be used to quantify environment,[2] as well as the timing of developmental stages of plants.[3]
References
- ^ .Ravi Kumar, S.; Hammer, Graeme L.; Broad, Ian; Harland, Peter; McLean, Greg (March 2009). "Modelling environmental effects on phenology and canopy development of diverse sorghum genotypes". Field Crops Research. 111 (1–2): 157–165. doi:10.1016/j.fcr.2008.11.010. ISSN 0378-4290.
- ^ Li, Xin; Guo, Tingting; Mu, Qi; Li, Xianran; Yu, Jianming (2018-06-07). "Genomic and environmental determinants and their interplay underlying phenotypic plasticity". Proceedings of the National Academy of Sciences. 115 (26): 6679–6684. Bibcode:2018PNAS..115.6679L. doi:10.1073/pnas.1718326115. ISSN 0027-8424. PMC 6042117. PMID 29891664.
- ^ Wilczek, Amity M.; Roe, Judith L.; Knapp, Mary C.; Cooper, Martha D.; Lopez-Gallego, Cristina; Martin, Laura J.; Muir, Christopher D.; Sim, Sheina; Walker, Alexis (2009-02-13). "Effects of Genetic Perturbation on Seasonal Life History Plasticity". Science. 323 (5916): 930–934. Bibcode:2009Sci...323..930W. doi:10.1126/science.1165826. ISSN 0036-8075. PMID 19150810. S2CID 206516277.
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