Final diagnosis


Fusarium oxysporum f. sp. lactucae (Fusarium wilt)

Fusarium-Salade2
Fusarium-Salade3
The vessels show a rusty brown coloration. <b> <i> Fusarium oxysporum </i> f. sp. <i>lactucae</i> </b> ("fusarium wilt")
These salads, which are not very growing, reveal a few more or less withered and / or dried out leaves. <b> <i> Fusarium oxysporum </i> f. sp. <i>lactucae</i> </b> ("fusarium wilt")
Fusarium-Salade1
Fusarium-Salade4
<b> <i> Fusarium oxysporum </i> f. sp. <i>lactucae</i> </b> ("fusarium wilt") produces unicellular microconidia and "crescent" shaped macroconidia with a maximum of 3 to 4 septa. It also forms thick-walled, intercalated or terminal chlamydospores and isolated or in chains.