Nigel Cattlin / Northern corn leaf blight (Setosphaeria turcica) severe fungal disease lesions on maize / corn crop, Thailand

Nigel Cattlin / Early blight (Alternaria solani) target spot / bullseye lesions pattern on a tomato fruit, Thailand

Nigel Cattlin / Early blight (Alternaria solani) target spot / bullseye lesions pattern on a tomato leaf, Thailand

Nigel Cattlin / Early blight (Alternaria solani) target spot / bullseye lesions pattern on a tomato leaf, Thailand

Nigel Cattlin / Northern corn leaf blight (Septosphaeria turica) severe lesions on maize / corn crop, Thailand

Nigel Cattlin / Leaf spot (Cochliobolus sativus / Bipolaris sorokiniana) fungal disease lesions on grass (Agrostis sp.) leaves

Nigel Cattlin / Alternaria leaf spot (Alternaria tenuis) necrosis and leaf curling on sugar beet leaves, France, September

Nigel Cattlin / Alternaria leaf spot (Alternaria tenuis) necrosis and leaf curling on sugar beet leaves, France, September

Nigel Cattlin / Alternaria leaf spot (Alternaria tenuis) necrosis and leaf curling on sugar beet leaves, France, September

Nigel Cattlin / Net blotch (Pyrenophora teres) necrotic stripe lesions on barley leaves from a mature crop France.

Nigel Cattlin / Net blotch (Pyrenophora teres) necrotic disease lesions on barley leaves of a crop coming into ear. France.

Nigel Cattlin / Barley leaf stripe (Pyrenophora graminea) characteristic symptoms on the leaves of a maturing barley crop

Nigel Cattlin / Early blight or target spot (Alternaria solani) discreet necrotic lesions and some chlorosis on a tomato leaflet, New York, USA, May.

Nigel Cattlin / Leaf spot or Alternaria blight (Alternaria helianthi) discreet spots with a chlorotic halo on a sunflower leaf, France

Nigel Cattlin / Leaf & pod spot (Alternaria brassicae) discreet black lesions on the stem and seed pods of oilseed rape crop