Pests of Yam
Yam tuber pests makes holes on tubers, resulting in low tuber marketability.
How to Control the spread of yam pest:
Apply insecticide like BHC at planting to avoid disease spreading around
Dust yam sett with aldrin dust
Practice crop rotation to control disease spread
Yam shoot beetles:
How to Control spread of yam diseases
Spray yam plant with insecticides e.g. BHC
By hand picking
Dust with chemical like Agrocide 3 powder.
How to control rodent pests of yam
Rodents: Rats and rabbits eat up tubers
Control: Set traps to catch the rodents.
How to control Diseases of Yam like yam mosaic disease and yam rot disease
Yam mosaic disease:
Symptoms: Symptoms include a mosaic pattern and chlorosis of leaves. It cause stunting of affected plant.
Control of yam diseases
Grow resistant varieties
Spray with insecticides
Causes of Yam rot:
Symptoms: Liquid oozes out from infected tuber. White – brown liquid emits with pungent odour.
Destroy all affected yam
Apply aldrin dust
Practice crop rotation
how to control the spread of yam leaf spot disease
Yam leaf spot:
It is caused by a fungus (Cercospora spp) which is spread by wind.
Symptoms of yam leaf spot:
Symptoms include dead spots on the leaves
How to Control the spread of yam leaf spot:
Spray yam plants with appropriate fungicides.