Studies of Antibrowning in the Tissue Culture of Phalaenopsis Bioinformatics and Expression Analysis of a Chitinase Gene from Phalaenopsis spp. Physiological Mechanism of Exogenous Nitric Oxide on Alleviating Low Temperature Stress of Phalaenopsis spp. Main Influence Factors on the Dehydration Tolerance of Phalaenopsis Protocorm-like Bodies Studies of Antibrowning in the Tissue Culture of Phalaenopsis Redox Dynamics During Embryogenic Callus Induction of Phalaenopsis spp. Phenylalanine Ammonia-Lyase (PAL) Gene Expression Correlated with Phalaenopsis sp. Leaf Explant Browning Measurement of  Total Level of DNA Methylation in Phalaenopsis spp. PLB