Home › Pests & diseases › Phytophthora Heart Rot
Phytophthora Heart Rot: signs and treatment in Jamaica
A lethal rot affecting the central whorl of pineapple plants in poorly drained or overly wet conditions. PlantArmor's crop guides list phytophthora heart rot as a common problem on pineapple.
Signs to look for
- Central leaves pull out easily from the whorl
- Foul smelling, yellowish-white rot at leaf bases
- Distinctive dark water-soaked margins
What to do
Crops it affects
Questions growers ask
How do I recognise phytophthora heart rot?
A lethal rot affecting the central whorl of pineapple plants in poorly drained or overly wet conditions. The signs to look for: Central leaves pull out easily from the whorl. Foul smelling, yellowish-white rot at leaf bases. Distinctive dark water-soaked margins.
What should I do about phytophthora heart rot?
Ensure excellent drainage. Apply Fosetyl-Al (Aliette) or Metalaxyl preventative dips before planting. 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 phytophthora heart rot in Jamaica?
PlantArmor's crop guides list phytophthora heart rot as a common problem on pineapple.
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.