Fig. 4

A Germination percentage, B total mass, C root length, and D shoot length in different concentrations of Phragmites australis litter mediated agarose at different seed densities of Lactuca sativa. Values (per plant) are means as % of control treatments at each density ± standard errors (n = 3). Letters indicate homogenous subgroups (P ≤ 0.05) at each density in Duncan’s test