To explore the influence of water stress and shading on the growth and physiological characteristics of Sedum spectabile Boreau, taking one-year-old seedlings of Sedum spectabile Boreau as test materials and with the pot-planting method, set three kinds of water stress conditions: contrast, natural drought, flooding stress and four kinds of shading treatment: full light, 30% shading, 60% shading, 90% shading. Measured and analyzed main physiology characteristic under water stress and shading treatment, And ...