Gummy stem blight and black rot

Didymella bryoniae Mycosphaerella citrullina Phoma cucurbitacearum Credits:Biovision-Infonet Circular to irregular spots on leaves. On centres of the spots pycnidia (fungal fruiting bodies) develop. The spots may tear and drop out giving the leaves a tattered appearance. Crown and runners turn pale-brown and then crack oozing a reddish gum. The affected areas are studded with pycnidia. […]

Anthracnose

Colletotrichum lagenarium C. orbiculare Credits:Biovision-Infonet It is a very destructive disease. It causes defoliation and lesions on the fruits.  The fungus can attack all the above-ground plant parts. Cotyledons (seed leaves) of affected seedlings droop and wilt. Lesions (elongated spots) may form on stems of affected seedlings near the ground. Spots on leaves start as small yellowish areas that […]