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. 2018 Dec 29;18:377. doi: 10.1186/s12870-018-1594-9

Fig. 4.

Fig. 4

Signs and symptoms of Ganoderma boninense infection on oil palm seedlings. (a) healthy plant (uninfected) at 24 weeks after inoculation. (b) Appearance of G. boninense basidiomata on T1 oil palm stem base at 24 weeks after inoculation. (c) Stem base section of untreated control and (d) necrotic lesion (black arrows) in stem base of T1 oil palm at 24 weeks after inoculation