Fig. 4From: Photosynthetic performance and growth responses of Liriope muscari (Decne.) L.H. Bailey (Asparagaceae) planted within poplar forests having different canopy densitiesDiurnal changes in A1-2 maximal photochemical efficiency (Fv/Fm), B1-2 nonphotochemical quenching (NPQ), C1-2 photochemical quenching (qP), and D1-2 quantum yield of PSII (ФPSII) of Liriope muscari plants grown under high (HI), medium (MI) and low (LI) incident PAR in group1 (A1, B1, C1, D1) and group2 (A2, B2, C2, D2). Mean ± SE (n = 3)Back to article page