Final diagnosis


Verticillium spp. (Verticillium wilt)

Chlorosis and wilt limited to one side of the leaf, caused by <b><i>Verticillium dahliae</i></b> (Verticillium wilt).
Browning of the vascular ring inside a stem infected by <b><i>Verticillium dahliae</b></i> (Verticillium wilt).
Verticillium wilt, wilting and senescence, occurring in scattered diseased patches. <i><b>Verticillium </i>sp.</b>
Browning of the vascular ring, more pronounced at the stem-end of the tuber. <b><i>Verticillium</i> sp.</b> (Verticillium wilt)
Browning of the vascular ring, more pronounced at the stem-end of the tuber. <b><i>Verticillium</i> sp.</b> (Verticillium wilt)