Identification and Mechanism of Echinochloa crus-galli Resistance to Fenoxaprop-p-ethyl with respect to Physiological and Anatomical Differences

Figure 1

Cross-sections through the lamina of untreated susceptible biotype (a, b), treated susceptible biotype (c, d), untreated resistant biotype (e, f), and resistant biotype treated with fenoxaprop-p-ethyl (g, h) of E. crus-galli after 14 days. *Upper epidermis (UE), lower epidermis (LE), parenchyma tissue (PT), mesophyll tissue (MT), motor cells (MC), vascular bundle (VB), and intensive stained tissue (IST); Bar = 500 μm.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)