THE RELATIONSHIP BETWEEN PHYSIOLOGICAL AND BIOCHEMICAL CHANGES AND RELEASING DORMANCY OF FRITILLARIA PALLIDIFLORA SCHRENK. DURING LOW TEMPERATURE TREATMENT Effect of low temperature on cell synchronization division in suspension culture cells of Pinellia ternata The differences in light-demanding germination features of seeds between invasive and noninvasive alien plants within Compositae Stress Treatments and DNA Methylation Affected the Somatic Embryogenesis of Citrus Callus Effects of Low Temperature on Photosynthetic Proteins and Photosynthetic Capacities of Two Species of Spiraea Effects of Low Temperature on Photosynthetic Proteins and Photosynthetic Capacities of Two Species of Spiraea EFFECT OF LOW TEMPERATURE TREATMENT ON GERMINATION OF ACER SACCHARUM SEEDS Construction and analysis of suppression subtractive library of Festuca arundinacea to low temperature stress Effect of Devernalization on Soluble Protein Component in Winter Wheat Seedling and Subsequent Plant Developmental State