Effects of Fruit Bagging at Different Stages on Pear Quality and Sclereid Development and the Activities of Their Related Enzymes in the Pear Variety Kousui Ecological efficiency of pear fruits bagged to main pests and diseases Effect of different light spectra on the surface coloration of ‘Red Fuji’ apple Effects of Bagging on Accumulation of Phenolic Acids and Flavonoids in Peach Pericarp During Fruit Maturity Screening Parent Resources of Hybrid Rice in New Cytoplasm Male Ste- rile System (CMS-FA)