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chlorophyll fluorescence (CF)

chlorophyll fluorescence (CF)

 

 

1.  Introduction to chlorophyll fluorescence (CF)

  - CF curve – Fo, Fm, Fv = Fm-Fo

  - identification of Fo as most important

 

 

2. Design of the HarvestWatch system

  - produces Fα as an estimate of Fo

  - important features of HarvestWatch system

 

 

3. Applications of HarvestWatch system

  - control O2 in CA stores

  - monitor water loss in fruit, e.g. grapes

 

 

4. Concluding Remarks

 F is an estimate of Fo at zero irradiance
 F is very sensitive to water loss in grapes
 Continuous and non-destructive 
 Change in F stops at ca. 20-25% water loss 
 F declines with water loss whereas it Changes in water loss in the field may be
 measurable by new FIRe fluorescence system  increases in low O2

 

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