Flores Plosone Herbicides 2013 Table 4

Concentration of herbicides (µg l-1) that inhibit effective quantum yield (photosynthetic efficiency ΔF/F’m) by 10%, 20% and 50% (IC10, IC20 and IC50) in Z. muelleri and H. uninervis and following 72 h exposures. Results for 24 h exposures can be found in Table S1. Inhibition concentrations (ICx) below guideline trigger values for protecting 90%, 95% and 99% of species are indicated by respective superscripts (Table S4 [52]). Links to Tables can be found in the source document. Source: doi:10.1371/journal.pone.0075798.t004