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. 2019 Oct 17;10:1120. doi: 10.3389/fpls.2019.01120

Figure 3.

Figure 3

(A) Mycelial growth and sporulation of Fusarium species on cannabis stems. (B) Schematic diagram showing the potential for spread of spores of Fusarium from stem tissues to leaves and flower buds of the same and adjacent plants. As well, spread can occur to adjoining plants by water. (C) Colonies of Fusarium oxysporum detected in hydroponic nutrient solution following plating of samples onto potato dextrose agar + streptomycin sulfate. (D) Damping-off on cuttings of cannabis in rockwool blocks resulting from spread of F. oxysporum and infection of the cut ends of the stem. (E) Colonies of F. oxysporum isolated from roots and stems of infected cuttings shown in (D). Figure 3A reproduced from Can. J. Plant Pathol. 40(4) by permission.