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. 2021 Mar 25;12:661194. doi: 10.3389/fpls.2021.661194

FIGURE 2.

FIGURE 2

Brightfield images from tangential sections of potato roots showing development of syncytia induced by Globodera pallida in the roots of susceptible Solanum tuberosum cv. Pentland Ivory (A,B) and resistant reaction of Sa_12601 [S. tuberosum ssp. andigena CPC 2802 (H3)] (C,D). (A) Uninfected root and (B) syncytium at 4 dpi of susceptible cv Pentland Ivory, (C) uninfected and (D) necrosis and collapse of syncytium at 7 dpi of Sa_12601. C, cortex; Ca, pro-/cambium; E, endodermis; ISC, initial syncytial cell; N, nematode; Ne, necrosis; P, pericycle; Ph, phloem; X, xylem. Asterisks (*) indicate selected syncytial elements. Scale bars: 20 μm (from Varypatakis et al., 2020).