Pests and Diseases


Pests and Diseases

  Symptoms/Damage

 Recommendations
Mealy bugs Reddish color of the leaves, wilting, drying of the affected portions of the leaves, discoloring of the leaves, stunted growth, poor root development Use of mealybug-free planting materials, spraying of 1-1.4 milliliter of Diazinin per liter of water. Eliminate the ants that serve as carrier of the disease.

 

Bud Rot
(Thielaviopsis paradoxa)

Rotting of the stems, wilting and eventually dying of the plant. Avoid causing damage or cuts to the plant which allow the fungus to penetrate into the plant.
Fruit Core Rot
(Fusarium moniliforme)
Green and small sizes of fruits.

Affected fruits have brown and sunken eyes. If cut, affected parts are blackish in color, with hard texture, watery and rotting.
 Avoid excessive application of nitrogen, phosphorous and potassium.

Control mealy bug infestation
Avoid removing the crown during rainy season.
 Heart Rot
(Phytoptora parasitica p. cinnamomi)

Yellowing or reddening of the center portion of the leaves.

Wilting of the edge of the leaves.

The base of the leaves become yellowish to faded white, soft and watery with brown coloring at the sides of the affected parts. The affected leaves can be easily detached from the plant.

With foul odor.

 Ensure proper drainage.

Elevate the area up to 25 cm. in case of the prevalence of disease. Practice mulching.

Plant during the dry season.

Soak the planting materials for a number of minutes in 8 to 10 grams per liter of Difoltan- water solution or 2.5 grams per liter of aliette-water solution.

 Rats Damaged plants (fruits, young leaves and core of the plants are missing) Use of rat poison (e.g. Racumin) which can be mixed with rice and placed in coconut husk or bamboo baiting stations.

Always keep the plantation area clean.