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. 2014 Feb 19;15(6):589–600. doi: 10.1111/mpp.12117

Figure 3.

figure

CORONATINE‐INSENSITIVE 1 (COI1) promotes symptoms in Fusarium oxysporum f. sp. conglutinans (FOC)‐infected plants. Grafted plants from scions (top) and rootstocks (bottom) that were wild‐type (COI1) or coi1 were infected with FOC. (a) Representative grafts are shown at 0, 16 and 21 days post‐infection (dpi). (b) At 16 dpi, fractions of n grafted plants were susceptible (0 ≤ health index, HI < 2), had intermediate resistance (2 ≤ HI ≤ 3) or were resistant (3 < HI ≤ 5). Grafts with the same italicized letter (above) had similar HI scores, according to Mann–Whitney U‐test (P > 0.01). (c) At 21 days, 5‐bromo‐4‐chloro‐3‐indoxyl‐α‐l‐arabinofuranoside (X‐Ara) staining in roots of grafts is shown. Note that the staining of coi1 rootstocks is restricted to the root tips (at arrows).