Global ETD Search
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Showing 1 to 2 of 2 for “"thermal time model"”.
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Germination thresholds of the Mixed-grass Prairie species as affected by global climate change: A FACE study.
… 12.5/2.5, 15/5, 20/10, 25/15, 30/20, 35/25°C). Thermal time requirements (θ50) and base temperatures (Tb) for germination were determined using thermal time models. Elevated CO2 concentrations reduced seed fill and viability, germination and germination rate in Grindelia squarrosa. Heating …
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Germination niche of Sardinian endemic species in mountain riparian deciduous forests
… prevents germination in a specified period of time, under any combination of environmental factors that otherwise favour germination and it is mediated, at least in part, by the plant hormones abscisic acid and gibberellins. Dormancy can be broken by some environmental stimuli, such as a cold …