Regulation of 1-methylcyclopropene on the Ripening and Softening of Postharvest Kiwifruit Cloning and Expression Analysis of FaTβgal of β-Galactosidase Family from Fragaria ananassa Fruit β-D-xylosidase Activity in Banana (Musa spp. )Fruits during Ripening and Softening Effects of Acetylsalicylic Acid (ASA) and Ethylene Treatments on Ripening and Softening of Postharvest Kiwifruit Cloning and Expression Analysis of an XET cDNA in the Peel and Pulp of Banana Fruit Ripening and Softening Regulation of 1-methylcyclopropene on the Ripening and Softening of Postharvest Kiwifruit