| 1 |
Late blight |
Phytophthera infestans |
irregularly shaped necrotic spots on the leaves, that give off a pungent smell when severely affected |
Drench / Spray |
| 2 |
Black scurf |
Rhizoctonia solani |
irregular dark brown fruiting bodies on the tuber surface, leading to misshaped tubers with red-brown to black sunken lesions, which may encircle the stem causing the leaves to curl up and turn yellow |
Drench |
| 3 |
Leak |
Pythium sp. |
internal tissues to become spongy, that exude dark watery fluid when squeezed |
Drench |
| 4 |
Pink rot |
Phytophthora erythroseptica |
reduces plant growth, decays tuber, with dark brown eyes on the tuber that turn pink to brown to black when exposed to air |
Drench |
| 5 |
Root knot nematodes |
Meloidogyne sp. |
gall formation on the roots, and reducing plant life |
Drip / Drench |
