Effects of Saline-alkali Stresses on the Growth and Endogenous Hormone Contents in Leaves of Hybrid Hazelnut Liaozhen 3 Chilling and Heat Requirements of Main Cultivars of Ping‘ou Hybrid Hazelnuts (Corylus heterophylla×Corylus avellana) Establishment and Application of Integrated Assessment System on Cold Resistance of Hybrid Hazelnut Studies on tissue culture and rapid propagation of hybrid hazelnut Studies on tissue culture and rapid propagation of hybrid hazelnut Effects of salinealkali stress on electrical impedance spectroscopy parameters and ion contents in shoots of Ping’ou hybrid hazelnut. Study on the Tolerance and Critical Water Capacity of Shoot Shriveling in Hybrid Hazelnuts Analysis of the genetic relationship for the main cultivars and varieties of Ping’ou hybrid hazelnut by ISSR Markers