COMPOUND (B/Bo) LOD(ng/mL) 50% B/Bo(ng/mL) Glyphosate 0.05 0.5 Glyphosine 50 3,000 Glufosinate 2,000 70,000 AMPA 35,000 >1,000,000 Glycine >10,000 >1,000,000

Table 1: Cross-rectivity table. The reactivity of glyphosate to various related compoundsexpressed as LOD and as the dose required for 50% absorbance inhibition (50% B/Bo).