1

Angular leaf spot

Pseudomonas syringae

water soaked lesions which expand between leaf veins. They ooze a milky substance that dries to form a white crust, and tans eventually. The center cracks, leaving leaf-holes

Spray/Drench

2

Fusarium wilt (Cucumber wilt, Foot-rot)

Fusarium oxysporum

rotting of seedling stems, with brown lesions on one side with tissue discolouration inside

Spray/Drench

3

Belly rot (Fruit rot, Damping-off)

Rhizoctonia solani

yellow-brown discolouration on fruits, with brown fungal growth on the rotting areas

Spray/Drench

4

Root knot Nematodes

Meloidogyne sp.

gall formation that may extend up to an inch in diameter, reducing plant life

Drench

5

Bacterial leaf spot

Xanthomonas campestris

small water-soaked lesions on the undersides of the leaves which lead to the development of yellow patches on the upper leaf surface; the lesions become round and angular; the centers of the lesions become thin and translucent and lesions become surrounded with a wide yellow halo.

Spray

6

Powdery Mildew

Erysiphe cichoracearum ,
Sphaerotheca fuliginea

The appearance of white powdery spots on the upper surfaces of leaves, stems and fruits

Spray

7

Downy mildew

Pseudoperonospora cubensis

Fluffy purplish mildew on underside of leaves; yellow spots on the upper side of leaves.

Spray