Effects of Salicylic Acid and Heat Acclimation on the Content of Soluble Sugar, Free Amino Acid and Chlorophyll Fluorescence Parameters of Grape Leaves in Grape Seedlings

• 水杨酸与热锻炼对葡萄幼苗可溶性糖、游离氨基酸和叶绿素荧光参数的影响