You have access
Measurement of the Salinity and Freezing Tolerance of Crataegus Genotypes Using Chlorophyll Fluorescence
Glynn C. Percival and Gillian A. Fraser
Arboriculture & Urban Forestry (AUF) September 2001, 27 (5) 233-245; DOI: https://doi.org/10.48044/jauf.2001.025