Home › Pests & diseases › Corn Smut
Corn Smut: signs and treatment in Jamaica
A fungal disease of corn characterized by massive, swollen galls on ears and stalks. PlantArmor's crop guides list corn smut as a common problem on corn.
Signs to look for
- Large, swollen, grayish-white galls on ears or stalks
- Galls eventually burst releasing black powdery spores
What to do
Crops it affects
Questions growers ask
How do I recognise corn smut?
A fungal disease of corn characterized by massive, swollen galls on ears and stalks. The signs to look for: Large, swollen, grayish-white galls on ears or stalks. Galls eventually burst releasing black powdery spores.
What should I do about corn smut?
Cut out and destroy galls before they burst. Avoid physical injury to plants. Always read the product label and observe the registered rate, re-entry period and pre-harvest interval before you apply any pesticide.
Which crops are affected by corn smut in Jamaica?
PlantArmor's crop guides list corn smut as a common problem on corn.
Check it in the field
PlantArmor's reference library works offline, so you can compare what you are seeing against it standing in the plot, then log the spray you use along with its re-entry and pre-harvest intervals. Free to use.
This description and treatment come from the same reference library the PlantArmor app uses in the field. Pesticide registrations and permitted uses change — always read the current product label and observe the stated rate, re-entry period and pre-harvest interval.