Fig. 5
The chlorophyll a fluorescence induction curves for strawberry cv.Sabrina under various stress conditions: A control,B salinity stress, C alkalinity stress, and D combined salinity and alkalinity stress. Means within one point marked by one letter are not differ significantly. These stressors were applied in different light spectra, including blue, red, blue/red, white, and ambient light. The biophysical parameters were assessed using “PEA Plus” software version 1.12, available at http://www.hansatech-instruments.com. Graphs were drawn using Microsoft Excel version 2016, accessible at https://www.microsoft.com