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1 - Photoperiodic control of development in Taraxacum in a common garden test |
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Example of photoperiodic control of development in alpine (2500 m) and lowland (350-550 m) subspecies of Taraxacum officinale grown in a common garden at low altitude in Basel (April). Despite warm spring temperatures, the alpine subspecies (arrows) still "waits" for long days (in its natural habitat, the season starts at the end of June). |