Effectiveness trial of pheromone traps against Oryctes rhinoceros L. and its damage intensity on coconut tree at Batulahat Village, Nusaniwe District, Ambon IslandThe research aimed to determine the efficacy of traps containing pheromone in catching the coconut pest, coconut rhinoceros beetle (Oryctes rhinoceros L.) and its effect on reducing the damage severity caused by the pest. The experiment was conducted by observing the damage intensity before treatment and continued with the efficacy testing of the traps containing pheromone (Ethyl 4-methyloctanoate) against the population of the coconut rhinoceros beetle. The damage intensity was measured following the traps treatment. The result demonstrated that the average of damage intensity before and after treatment were 13.33% and 9.61%, respectively. This indicated the effectiveness of traps in catching the coconut rhinoceros beetle. The number of O. rhinoceros caught during the experiment was analysed using quantitative analysis model. The highest number of coconut rhinoceros beetle caught was 9 bettles/2 months at traps containing pheromone. Whilst, the number of coconut rhinoceros beetle caught at traps containing pheromone with lamp demonstrated lower number of coconut rhinoceros beetle. Furthermore, the lower damage intensity at the experimental location was categorized as low. This was due to good agricultural practice implemented by the farmer.Keywords: Coconut, Pheromone, Damage intensityABSTRAKPenelitian ini bertujuan untuk mengetahui keefektifan perangkap feromon dalam memerangkap hama Oryctes rhinoceros L. dan pengaruhnya terhadap intensitas kerusakan yang disebabkan oleh hama tersebut. Penelitian dilakukan dengan menghitung Intensitas Kerusakan (IK) yang disebabkan oleh hama O. rhinoceros dan dilanjutkan dengan menguji efektivitas perangkap feromon (Ethyl 4-methyloctanoate) terhadap perkembangan populasi hama tersebut. Intensitas kerusakan dihitung dengan menggunakan formula IK untuk tanaman yang terserang dan yang tidak terserang O. rhinoceros sebelum dan sesudah aplikasi feromon. Hasil penelitian menunjukkan rerata IK sebelum dan sesudah aplikasi feromon masing-masing sebesar 13,33% dan 9,61%. Terjadi penurunan IK karena efektivitas feromon dapat memerangkap hama O.rhinoceros. Jumlah tangkapan O. rhinoceros tiap perlakuan dianalisa dengan model analisis kuantitatif sederhana. Jumlah tangkapan O. rhinoceros terbanyak dengan rerata tangkapan 9 ekor/2 bulan atau sama dengan 4,75 ekor/bulan pada perangkap berferomon saja. Sementara perangkap feromon dan lampu menghasilkan jumlah tangkapan hama O. rhinoceros yang lebih rendah. Lebih lanjut, rerata IK hama O. rhinoceros di desa Latuhalat tergolong kategori ringan karena sistem kultur teknik dari petani setempat sudah dilakukan dengan baik sehingga areal pertanaman kelapa cukup terawat.Kata Kunci: Kelapa, Feromon, Intensitas kerusakan
The objective of this study was to determine the types of traps that were effective in trapping horn beetles (O. rhinoceros L.)
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