Final diagnosis


Ralstonia solanacearum

Sudden withering of the leaves of a branch of this aubergine plant. <b><i>Ralstonia solanacearum</i></b> (bacterial wilt)
The withering of this eggplant plant is irreversible, many withered leaves have turned yellow and are beginning to dry out. <b><i>Ralstonia solanacearum</i></b> (bacterial wilt)
Ralstonia-Aubergine4
<i><b>Ralstonia solanacearum</b></i> (<i>Pseudomonas solanacearum</i>, bacterial wilt) on eggplant.
Eggplant completely withered. <b><i>Ralstonia solanacearum</i></b> (Bacterial wilt)
<i><b>Ralstonia solanacearum</b></i> (<i>Pseudomonas solanacearum</i>, bacterial wilt) on eggplant.
Ralstonia-Aubergine6
The withering of a branch of this eggplant plant is irreversible, many leaves are dried out. <b><i>Ralstonia solanacearum</i></b> (bacterial wilt)
Ralstonia-Aubergine9
Wilting and yellowing of a section of the leaf blade of this eggplant leaf. <b><i>Ralstonia solanacearum</i></b> (bacterial wilt)
Partially wilted and dried eggplant leaf, it is called unilateral wilt. <b><i>Ralstonia solanacearum</i></b> (bacterial wilt)
Wilting, yellowing and unilateral drying of an eggplant leaf; this is a very typical symptom of a vascular disease. <b><i>Ralstonia solanacearum</i></b> (bacterial wilt)
Several eggplant leaves show more or less advanced sectoral wilting, characteristic of a disease affecting the vessels. <b><i>Ralstonia solanacearum</i></b> (bacterial wilt)
Ralstonia-Aubergine5
Ralstonia-Aubergine13
Ralstonia-Aubergine2
A superficial and longitudinal section made in the lower part of the stem shows that the vessels are more or less brown. <b><i>Ralstonia solanacearum</i></b> (bacterial wilt)
Observed after a longitudinal section, the vessels of aubergine stems invaded by <b><i>Ralstonia solanacearum</i></b> sometimes appear locally very brown. (bacterial wilt)
Ralstonia-Aubergine17
Like a “water glass test” to exude viscous bacterial threads from the vessels. (<i>Ralstonia solanacearum</i> - Bacterial wilt)