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Symptoms on Solanaceae


  • Organs attacked :
Leaves Fruits Stem
  •  Symptoms
    • Moist, brown lesions extending inside the stem, in the pith which liquefies rather quickly, and eventually hollows out (figures 1 and 2).
    • Longitudinal alteration of the stem which takes on a dark brown to black color and can be girdled over several centimeters (figure 3).
    • Note that decomposing tissues are moist and soft (Figure 4).
    • Yellowing and more or less marked withering of the leaves, evolving or not towards the death of the plants.
    • Wet,  viscous and soft rot on fruits leading to their total liquefaction.
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  • Signs : altered tissues often give off an unpleasant odor; sometimes presence of a milky mucus on certain organs.
  • Possible confusion :
  • Production areas affected :
Reunion New Caledonia


  •  Pectobacterium spp. signals on Solanaceae : Pectobacterium carotovorum subsp. carotovorum (Jones 1901) Hauben et al. (1999), E. aroideae (Town.) Holland, Dickeya chrysanthemi (Burkholder et al.) Samson et al. ( Pectobacterium chrysanthemi [Burkholder et al.] Brenner et al., E. chrysanthemi Burkholder et al.) Et Pectobacterium carotovorum subsp. atrosepticum (van Hall) Hauben et al. Comb. Nov. ( E. carotovora subsp. Atroseptica [from Hall] Dye).
Last change : 07/07/22
Figure 1
Figure 2
Figure 3
Figure 4