IDENTIFIKASI MORFOLOGI SERANGGA BERPOTENSI SEBAGAI HAMA DAN TINGKAT KERUSAKAN PADA BIBIT MERANTI MERAH (Shorea leprosula) DI PERSEMAIAN PT. SARI BUMI KUSUMA
Abstract: The development of
plantations frequently faces technical obstacles, such as the the threat of
insect pests. Therefore, pest control is very essential to support the success
of development. Theinvestigation is aimed to identify and toget the types of
insects that have potential as pests and thelevel of damage to red timber seed
(Shorea Lepsrosula Mig). The study was conducted for 3months, starting from
August to October in the seedbed of PT. Sari Bumi Kusuma, West Kalimantan. The
research was conducted through survey on bedside observation. Thedetermination
of the beds was employed by purposive sampling i.e the first bed was +6 months
old,the second bed was +11 months old, the third bed was +4 months and the
fourth bed was +10 months old. The total number of plants observed was 1957
plants. The identification resulted in types of insect pests; 2 orders
consisting of 5 families and 5 types of pest insects namely Gryllus mitratus
(Cricket), Valanga nigricornis (Grasshoper), Lymantria marginalis
(Caterpillar), Spodoptera litura (Taro caterpillar), Pteroma plagiophlps
(Bagworm). The symptoms of pestattacked plants are hollowed leaves, bite marks
ranging from the leaf edge to the leaf bone and there is a truncated stem part
of the plant. The percentage of plants affected by pest attacks ranged between
10.19% - 56.15% with the average percentage of 23.93% for crop damage
categorized as light. The average damage rate ranged from 4.44% to 27.12%. The
average rate of crop damage was 10.95% categorized as light damage. Although
the level of damage is considered mild butcontrolling and handling efforts need
to be performed in the form of pest eradication that is both mechanically and
chemically conducted.
Keywords: Morphology
Identification, Pest insect, Seeding, Shorea leprosula
Penulis: Abi, H. Oramahi,
Reine Suci Wulandari
Kode Jurnal: jpkehutanandd170074
