Net Photosynthesis

Plant typeb

Nontreated

Glyphosate-treated

Pnet (µmol CO2 m−2∙s−1)

GR

21a

11a

GS

18a

4b

Phenolics

(µg∙cm−2)

GR

135a

122a

GS

155a

157b

Relative injuryc

(%)

GR

34a

25a

GS

56b

29b

Ca

Mg

(%)

GR

0.6663a

0.3138a

GS

0.8063b

0.3663b