Peak conditions are scattered across the state ... sweetgum and dogwoods." Chlorophyll, the chemical that allows plants to conduct photosynthesis, gives leaves their green color, but it is ...

Hans Fischer at the Royal Institution on February 22, his subject being the constitution of chlorophyll A. Prof. Fischer has been working on blood and leaf pigments in Munich for a number of years ...

The solar-induced chlorophyll fluorescence (SIF ... identifying dormancy and peak growth phases. Finally, the change points for Start of Season (SOS) and End of Season (EOS) were determined ...