Palm
trees planted in derah-area directly adjacent to the forest can not be
separated from their pest problems. Pests most damage in this area is a
vertebrate pests, including wild boar and porcupine. Wild boar and porcupine
are two types of vertebrate pest which is still difficult to control naturally
because of the limitations of their natural enemies. Each region has its
development of oil palm pest different.
During
this time, the boar is able to live in different conditions and live in groups
of 20-30 animals, while hedgehogs live in groups of 3-5 tail but usually in
pairs and in the pit-bubang berdarang ground, or in a hole dug near forest
woody roots. Both of these animals actively looking for food at night. Symptoms
of wild boar marked with tear-off or the discovery of oil palm trees with Ekas
umbut eaten, while the hedgehog pests damage plants by way of the young palm
cut off the stem and eat the oil palm umbut network. If the part of oil palm
trees are attacked by very heavy can result in death of the plant. Oil palm
plantation development with such a condition becomes obstructed and often
results in failure.