Investigation on the freeze-damaged trees by twice uttermost microtherm encountered once in one hundred or fifty years in FujJan Risk analysis and regionalization of cold and freezing damage to Taiwan-based Zizyphus mauritiana in Fujian Province Effect of low temperature stress and INA bacteria on parameters of photosynthesis and chlorophyll fluorescence in loquat leaf Freezing damage in early spring induced by simulated global warming: a case study in Abies faxoniana Investigation on Eucalypt Forest Plantations Subjected to the FreezingCatastrophe in Southern China