Involvement of H2O2 in Regulating the Expression of VvIPK2 in Response to Low Temperature Stress in Leaves of Vitis Involvement of H2O2 in Regulating the Expression of VvIPK2 in Response to Low Temperature Stress in Leaves of Vitis PLASMALEMMA ATPase OF HYPOCOTYL OF PEANUT SEEDLING AND ITS REACTION TO LOW TEMPERATUER STRESS Phospholipase D and Lipoxygenase of Young Loquat Fruits in Response to Low Temperature Stress Dynamic Changes of Ca2+ in the Mesophyll Cells of Euonymus japonicus cv. ‘CuZhi’ under Low Temperature Stress