Figure 4 in Glufosinate enhances the activity of protoporphyrinogen oxidase inhibitors

Figure 4. Glufosinate + saflufenacil is toxic to glufosinate-resistant soybean due to a transient accumulation of glutamate and subsequent protoporphyrin accumulation. Visual injury (A) and protoporphyrin accumulation (B) in glufosinate-susceptible (red) and glufosinate-resistant (blue) soybean following glufosinate and saflufenacil treatments. Glufosinate (C) and glutamate (D) levels in glufosinate-susceptible (gray) and glufosinate-resistant (blue) soybean following glufosinate (280 g ha−1) treatment. Asterisks (*) indicate means are significantly different by t-test (P <0.05) between soybean varieties or time point. Error bars represent the standard deviations of the means. HAT, hours after treatment.