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Kumbang tanduk Oryctes
rhinoceros (Coleoptera: Scarabaeidae) dan virus musuh alaminya
Di Indonesia
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bSebaran kumbang tanduk
Asia Selatan - Asia Tenggara
India, Bangladesh, China, Sri Langka, Taiwan, Indonesia, Malaysia, Philippina, Thailand
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aMusuh alami
tungau
bakteri
cendawan virus
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Morfologi Anatomi
Ada 3 instar
Perkembangan larva dari instar 1 –instar 3
Ciri spesies: cincingdi ujung abdomen
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Morfologi Anatomi
Betina Jantan
Betina
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++++++++++++++++++
Bioekologi
Hama• Kelapa• kelapa sawit
Larva bukan hama
Imago hama (menggerek pucuk)
Tanaman inang lain:52 spesies tanaman (Molet2013)
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Populasi tinggi : replanting
SawitSumatera : 8.047.920 haKalimantan : 5.588.075 ha
Replanting per kebunbergantian sepanjang tahun
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Apa itu virus?
Benda infeksiusEntitas nucleoprotein parasitik yg dpt bereplikasiMateri genetiknya RNA atau DNATidak memiliki sistem enzim
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Taksonomi virus (terbaru)
1 ordo71 famili164 genus24 genus posisi belum pasti3600 spesies (Murphy et al. 2012)
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Oryctes rhinoceros nudivirus
Famili : NudivirusGenus : AlphanudivirusSpesies : Oryctes rhinoceros nudivirus
Ditemukan1966
Disebar keKepulauan
Pasifik 1968
Imago emergen
diinfeksi oral
Larva digerus
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Populasi kumbang tanduk turun
Sumber : http://guaminsects.net/
Kerusakan tanamanturun 90% secarapermanen
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OrNV
Genom besar 130 kb(Covid-19 26-28 kb)
Materi genetik DNA utas ganda
(Covid SS + RNA)
Batang, beramplop, sisivirion ada benang
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Virus musuh alami kumbang tanduk
Saluran pencernaan tengah
Badan lemak
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Virus musuh alami kumbang tanduk
midgut
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Penularan Virus OrNV
-Vertikal-Horisontal
++++++++++++++++++
++++++++++++++++++
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Pengambilan sampel O. rhinoceros
Peta Indonesia by Bengkel Slide
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Tingkat infeksi imago di
Sumatera, Belitung,
Kalimantan 60-90%
Tingkat infeksi imago Jawa,
Sulawesi ‹ 16%
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9 isolat ditemukan 8 Keragaman genetik
Mutasi tinggiSulbarJatengKaltengBelitungJabar
Mutasi rendahSumut, Sulteng, RiauKaltim
Satu haplotipe
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N
o
Isolat OrNV Variable
sites (s)
Number of
mutation
(Eta)
Nucleotide
diversity (Pi)
Haplotype
(gene) diversity
(Hd)
Fu & Li’s D
test
Fu & Li’s F test
1 Sulbar01,
Jateng01, dan
Kalteng01
86 88 0.01553 1.00 0.00
(statistical
significance)
0.00
(statistical
significance)
2 Belitung01 dan
Jabar01
13 13 0.00347 1.00 0.00 0.00
3 Sumut01 dan
Sulteng01
3 3 0.00080 1.00 0.00 0.00
4 Sulteng01 dan
Riau01
0 0 0.00 - 0.00 0.00
5 Riau01 dan d
Kaltim01
2 2 0.00053 1.00 0.00 0.00
Test keragaman genetic OrNV menggunakanprogram DnaSp
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Perjalanan Epizootiology
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PENGENDALIAN KUMBANG BADAK
1. Feromon dalam perangkap
Feromon produksi PPKS+SaranaHayati Bogor
Jl. Rasamala No.46, RT.02/RW.03, Curugmekar, Kec. Bogor Bararat, Kota Bogor, Jawa Barat 16113
Alamat :
CP : ibu Titin WA 0815 1011 4399ibu Dhiani WA 0811 7880 099
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PENGENDALIAN KUMBANG BADAK
2. Perangkap Jaring nilon
Sumber : http://guaminsects.net/
Jaring yang diberi batu
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PENGENDALIAN KUMBANG BADAK
2. Perangkap : tandan kosong kelapa sawit plus jaring nilon
Sumber : http://guaminsects.net/
Sumber: plantersholeh.wordpress.com/
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PENGENDALIAN KUMBANG BADAK
3. Ekstrak kasar virus Oryctes rhinoceros nudivirus
Panen midgut terinfeksi virus
Ditumbuk halus + aqudest
Disaring kain kasa
Diinfeksikan larva
Larva digiling
Larva giling disebartumpukan batangreplanting
Tidak disarankan
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Proses Pembedahan Imago O. rhinoceros
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Ditumbuk
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Terima KasihTerima Kasih