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. 2023 Oct 21;12(20):3638. doi: 10.3390/plants12203638

Figure 2.

Figure 2

The titers of zeatin (p < 0.05) (A,B), 2-isopentenyladenine (p < 0.05) (C,D), 6-benzylaminopurine (p = 0.47) (E,F), and gibberellic acid (p = 0.19) (G,H) in genotypes of European and Japanese plums resistant and susceptible to Black Knot (BK) disease at five different BK developmental stages (1–5) (a)). Stage 1 is the appearance of visual symptoms of BK while stage 5 is the most developed knot. Different letters denote statistical significance and error bars represent means ± SEM (ng/g DW) for all the phytohormones. Interaction p-values were reported.