Final diagnosis


Candidatus Phytoplasma spp.

Eggplant plot affected by Stolbur.  Note the many stunted and chlorotic plants.  <b><i>Candidatus</i> Phytoplasma solani</b> (stolbur)
<b><i>Candidatus</i> Phytoplasma sp. </b>(Phytoplasma responsible for stolbur) on eggplant.
<b><i>Candidatus</i> Phytoplasma sp. </b>(Phytoplasma responsible for stolbur) on eggplant.
<b><i>Candidatus</i> Phytoplasma sp. </b>(Phytoplasma responsible for stolbur) on eggplant.
<b><i>Candidatus</i> Phytoplasma sp. </b>(Phytoplasma responsible for stolbur) on eggplant.
This eggplant flowers, rather purplish, has a hypertrophied calyx giving it the appearance of a wineskin.  <b><i>Candidatus</i> Phytoplasma solani</b> (stolbur)
<b><i>Candidatus</i> Phytoplasma sp. </b>(Phytoplasma responsible for stolbur) on eggplant.
Eggplant stem affected by a phytoplasma.  All the leaves are chlorotic and small in size.  the veins remain green.  Note also the presence of a few slightly anthocyanin leaves.  <b><i>Candidatus</i> Phytoplasma solani</b> (stolbur)
Young eggplant leaves are smaller and narrower, slightly curled, rather very yellow, only the veins remaining green.  They also have an upright habit.  <b><i>Candidatus</i> Phytoplasma solani</b> (stolbur)
<b><i>Candidatus</i> Phytoplasma sp. </b>(Phytoplasma responsible for stolbur) on eggplant.
Normal flower (right) compared to an aberrant flower from an eggplant plant infected with <b><i>Candidatus</i> Phytoplasma solani</b> (stolbur)
Several more or less spherical structures characterize the presence of the phytoplasma in the vessels of the phloem.  <b> <i> Candidatus </i> Phytoplasma solani </b> (group of aster yellows)