Potensi Serangan Hama Tanaman Jati Rakyat Dan Upaya Pengendaliannya Di Rumpin, Bogor

Abstract

Teak (Tectona grandis Linn.) is one of potential forest plants that is developed especially for sawn wood. In growing period, it was often attacked by several pests that caused seriously damages. This research was conducted to identify kind of main pest organisms and determine the damage intensity. The inventory and identification of pests were done at a private teak plantation Rumpin, Bogor West Java and Forest Protection Laboratory, Bogor Agricultural University. The results showed that the main pests on teak plantations at the research location were Leucopholis rorida F. and Zeuzera coffeae Nietn. The highest damage caused by L. rorida was recorded on plot I (teak was 2.5 years old) with attack and damage intensity of 77.63% and 48.89% respectively. Beside this, the highest damage caused by Z. coffeae occured on plot IV (teak was 11 months old) with attack and damage intensity were 5.2% and 3.71% respectively Tectona grandis Leucopholis rorida Zeuzera coffeae Z. coffeae .

Dispersal of Insect at Honitetu Forest in West Seram District

“…Insects from the Formicidae family influence the level of insect diversity in the forest (Meranti et al, 2014). A number of families and populations strongly influences a diversity index level (Herdiana, 2010). A number of species are more significant in one family, the diversity is moderate compared to the number of small species but includes several families.…”

Serangan Hama Pada Tegakan Ekaliptus (Eucalyptus alba) di Kawasan Hutan Lindung Gunung Nona Kota Ambon

“…Ulat jengkal atau dikenal juga dengan sebutan ulat kilan sangat menyukai daun muda atau pucuk. Pada serangan yang hebat, ulat ini akan menghabiskan seluruh daun pada bibit dan menyebabkan kematian [14] . Suatu penelitian menunjukkan bahwa larva muda dari ulat ini mampu merusak sekitar 5% -10% bibit adas berumur 3 bulan, sedangkan larva dewasa mampu menyebabkan kerusakan hingga 90% pada bibit yang sama dalam waktu 1 (satu) hari [15] .…”

Intensitas Serangan Hama Penggerek Batang Kakao di Perkebunan Rakyat Cipadang, Gedongtataan, Pesawaran

“…Belum ada informasi mengenai intensitas serangan Z. coffeae pada tanaman kakao. Pada tanaman jati diketahui intensitas kerusakan mencapai 5,2% pada tanaman berumur 11 bulan (Herdiana, 2010). Pada tanaman Lada persentase serangan hama ini dilaporkan sebesar 80% pada tanaman umur 2 tahun dan 60% pada tanaman umur 3 tahun.…”

“…Penggerek batang Zeuzera coffeae diketahui hanya menyerang tanaman atau batang muda (Siswanto & Karmawati, 2012). Pada tanaman jati, penggerek Z. coffeae menyerang cabang-cabang jati muda dan bagian pucuk tanaman jati (Herdiana, 2010 coffeae menyerang cabang-cabang jati muda dan bagian pucuk tanaman jati (Herdiana, 2010 Korelasi diuji dengan menggunakan uji t korelasi dengan nilai α 0,05…”