phi2 differences in tree canopy strata


The difference in phi2 and other photosynthetic parameter measurements between different species of fruit trees within different tree strata.


Leaf Photosynthesis MultispeQ V1.0


Measures many photosynthesis-related parameters in <15 seconds, including:

  • Chlorophll Fluorescence: Phi2, PhiNPQ, PhiNO, NPQt, qL, LEF
  • Relative Chlorophyll: SPAD
  • Proton Motive Force: ECSt, vH+, gH+
  • Absorbance at: 450, 535, 605, 650, 730, 850, 880, and 940nm.
  • Leaf Thickness (in mm), angle, and cardinal direct...


  1. What type is tree is it? (Multiple Choice)
  2. which tree is it? (Multiple Choice)
  3. What is the leaf's cardinal direction? (Multiple Choice)
  4. What strata is the leaf in? (Multiple Choice)
  5. What is the weather? (Multiple Choice)
  6. Is it raining? (Multiple Choice)



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