Photoinhibition of photosynthesis in willow leaves under field conditions

  title={Photoinhibition of photosynthesis in willow leaves under field conditions},
  author={Erling {\"O}gren},
Chlorophyll fluorescence of leaves of a willow (Salix sp.) stand grown in the field in northern Sweden was measured on several occasions during the growing season of 1987. For leaves that received mostly full daylight, the F V/F P ratio declined roughtly 15% in the afternoon on cloudless days in July (F P is the fluorescence at the peak of the induction curve obtained at the prevailing air temperature after 45 min of dark adaptation, and F V is variable fluoresence, F V=F P-F O, where F O is… CONTINUE READING
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