Fig. 2

Different light intensity treatment design of Syringa oblata Lindl. in natural (Z₀), 50% ~ 60% (Z₁) with a black net and 25% ~ 35% (Z₂) light intensity with a black net (a). (b) and (c) represent the photosynthetically active radiation (PAR) and light reflection of Syringa oblata Lindl. under different treatments in July in 2017, respectively