Effect of Cold Stress on Field Performance, Chlorophyll Fluorescence, Electrolyte Leakage and Leaf Gas Exchange Parameters of Potato (Solanum tuberosum L.) Genotypes - Angmo, Dechen; Sharma, Sat Pal; Kalia, Anu; Brar, Navjot Singh; Bhardwaj, Vinay (Potato Research: Journal of the European Association for Potato Research, 2023)