Mealybug is a common pest of pineapple found on the surface of the pineapple leaf as well as inside the enclosed blossom cups.
It is also a vector of wilt disease in pineapple. Mealy bug can be controlled by spraying insecticide in the morning or evening on the pineapple field.
Nematodes are also serious pests of pineapple;They are controlled by fumigating the soil with 1, 3-D.
Root rot disease can be prevented by avoiding too much water around the root zone of pineapple but can be controlled by improving soil drainage.