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Ashol Hasyim
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Mortalitas Stadia Pradewasa Hama Penggulung Daun Pisang, Erionota tharax (L.) yang Disebabkan Oleh Parasitoid Hasyim, Ashol; -, Kamisar; Nakamura, K
Jurnal Hortikultura Vol 13, No 1 (2003): Maret 2003
Publisher : Indonesian Center for Horticultural Research and Development

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Abstract

Penelitian ini bertujuan untuk mengetahui mortalitas stadia pradewasa hama penggulung daun pisang   yang disebabkan oleh parasitoid dan fase awal penyerangan parasitoid terhadap inang. Untuk mengetahui parasitoid hama penggulung daun pisang Erionota thrax, telur, larva, dan pupa hama penggulung daun pisang diambil dari pertanaman pisang petani, kemudian dipelihara di laboratorium Kebun Percobaan Bandar Buat, Balai Pengkajian Teknologi Pertanian Sumatera Barat. Setiap kelompok telur, larva, dan pupa dimasukkan ke dalam kotak plastik berukuran dengan garis tengah 13 cm dan tinggi 5 cm, serta diberi makan daun pisang. Pengamatan terhadap stadia telur diamati dengan menghitung telur yang menetas, diserang parasitoid, tidak menetas, dan diserang jamur. Dari hasil penelitian diperoleh bahwa hama penggulung daun pisang mempunyai dua jenis parsitoid telur, dua jenis parasitoid larva, dan empat jenis parasitoid pupa.  Kedua jenis parasitoid telur    Pediobius erionotae dan Ooncyrtus erionotae dapat menyebabkan kematian tertinggi dan membunuh 55,6% stadia telur. Parasitoid larva mulai menyerang stadia larva instar kedua. Indeks parasitisme tertinggi disebabkan oleh parasitoid larva Casinaria sp. Adalah 15,7% dan yang pal- ing rendah disebabkan oleh   parasitoid pupa, Theronia zebra-zebra mencapai 0,8%. Hasil penelitian tentang parasitoid hama penggulung daun pisang ini merupakan informasi dasar dalam rangka pengembangan pengendalian hama secara terpadu. Kata kunci: Musa paradisiacal; Erionata thrax; Hama penggulung daun; Parasitoid; Mortalitas; Stadia pradewasa ABSTRACT. This study aims to contribute to the knowledge of immature mortality of ba- nana leaf roller Erionota thrax (L.) and early susceptible stage of parasitoid attacking the host. To obtain parasitoid, the eggs, larvae, and pupae of banana leaf roller, Erionota thrax (L.) were collected from farmer banana field and reared in the laboratory under room temperature at Bandar Buat, West Sumatera Assessment Institute for Agriculture Technology. Each egg mass, larvae, and pupae were isolated in plastic container dimensions of 13 cm in diameter and 5 cm in dept feeding, with leaf of banana. The following categories were recognized of egg stage, hatched, parasitic by wasps, hatching failure, and fungus diseased. The result indicated that E. thrax had two species of egg parasitoid, two species of parasitoid emerged from larvae, and four species of parasitoid emerged from pupae stages. Both of egg parasitoid species, Pediobius erionotae and Ooncyrtus erionotae, caused the highest mortality and kiled 55,6% of the eggs. The earliest parasitized stage of larva was the second instar. Index of parasitism rate by larval and pupae parasitoid which mostly caused by  Casinaria erionotae was at 15.7% and the lowest caused by  pupae parasitoid, Theronia zebra-zebra was at 0.8. The results of banana leaf roller parasitoid research were to provide basic information for the development of integrated pest managemen.
Mortalitas Stadia Pradewasa Hama Penggulung Daun Pisang Erionota thrax (L) yang Disebabkan oleh Parasitoid Hasyim, Ashol; -, Kamisar; Nakamura, K
Jurnal Hortikultura Vol 13, No 2 (2003): Juni 2003
Publisher : Indonesian Center for Horticultural Research and Development

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Abstract

Penelitian ini bertujuan mengetahui mortalitas stadia pradewasa hama penggulung daun pisang yang disebabkan oleh parasitoid dan fase awal penyerangan parasitoid terhadap inang. Untuk mengetahui parasitoid hama penggulung daun pisang Erionota thrax, telur, larva, dan pupa hama diambil dari pertanaman pisang petani, kemudian dipelihara di laboratorium Kebun Percobaan Bandar Buat, Balai Pengkajian Teknologi Pertanian Sumatera Barat. Setiap kelompok telur, larva, dan pupa dimasukkan ke dalam stoples plastik berdiameter 13 cm dan tinggi 5 cm, serta diberi makan daun pisang. Pengamatan terhadap stadia telur diamati dengan menghitung telur yang menetas, diserang parasitoid, tidak menetas, dan diserang jamur. Dari hasil penelitian diperoleh bahwa hama penggulung daun pisang mempunyai dua jenis parasitoid telur, dua jenis parasitoid larva, dan empat jenis parasitoid pupa.  Kedua jenis parasitoid telur Pediobius erionotae dan Ooncyrtus erionotae dapat menyebabkan kematian tertinggi dan membunuh 55,6% stadia telur. Parasitoid larva mulai menyerang stadia larva instar kedua. Indeks parasitisme tertinggi disebabkan oleh parasitoid larva Casinaria sp. adalah 15,7% dan yang paling rendah disebabkan oleh parasitoid pupa, Theronia ze- bra-zebra mencapai 0,8%. Hasil penelitian tentang parasitoid hama penggulung daun pisang ini merupakan informasi dasar dalam rangka pengembangan pengendalian hama secara terpadu. Kata kunci: Musa paradisiaca; Erionota thrax; Hama penggulung daun; Parasitoid; Mortalitas; Stadia pradewasa ABSTRACT. This study was aimed to determine immature mortality of banana leaf roller Erionota thrax (L.) and early susceptible stage of the host parasitoid attacking. To obtain parasitoid, the eggs, larvae, and pupae of banana leaf roller, E. thrax were collected from farmers banana fields and reared in the laboratory under room temperature at Bandar Buat, West Sumatera Assessment Institute for Agriculture Technology. Each egg mass, larvae, and pupae was isolated in plastic container dimensions of 13 cm in diameter and 5 cm in depth feeding, with a leaf of banana. The following categories were recognized for egg stage, hatched, parasitic by wasps, hatching failure, and fungal diseased. The result indicated that E. thrax had two species of egg parasitoid, two species of parasitoid emerged from larvae, and four species of parasitoid emerged from pupal stages. Both egg parasitoid spe- cies, Pediobius erionotae and Ooncyrtus erionotae, caused the highest mortality and killed 55.6% of the eggs. The earliest parasitized stage of larvae was the second instar. Parasitism rate by larval and pupal parasitoid which was mostly caused by Casinaria sp. was at 15.7% and the lowest caused by pupae parasitoid, Theronia zebra-zebra was 0.8. The results of banana leaf roller parasitoid research provide basic information for the development of integrated pest management.
Patogenisitas Isolat Beauveria bassiana (Balsamo) Vuillemin dalam Mengendalikan Hama Penggerek Bonggol Pisang, Cosmopolites sordidus Germar Hasyim, Ashol; -, Azwana
Jurnal Hortikultura Vol 13, No 2 (2003): Juni 2003
Publisher : Indonesian Center for Horticultural Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian ini dilakukan di laboratorium Hama dan Penyakit, Balai Penelitian Tanaman Buah Solok pada bulan Mei sampai Oktober 2002. Sampel tanah dikoleksi dari sentral produksi pisang di daerah Baso, Sei Tarab, Sei Sariek, dan Sikabau Tujuan penelitian adalah mengetahui pengaruh dosis spora Beauveria bassiana terhadap serangga dewasa dan fase kerentanan serangga pradewasa dan dewasa hama penggerek bonggol pisang. Penelitian ditata dalam rancangan acak lengkap dengan tiga ulangan dan dua belas perlakuan. Hasil penelitian menunjukkan bahwa secara umum efektivitas B. bassiana meningkat dengan meningkatnya dosis untuk keempat isolat yang diuji. Terlihat perbedaan yang nyata infektivitas untuk semua  isolat B. bassiana. Mortalitas serangga dewasa hama penggerek bonggol pisang yang disebabkan oleh jamur entomopatogen B. bassiana dari isolat Baso, Sei Tarab, Sei Sariek, dan Sikabau pada konsentrasi tertinggi (3,2X108 konidia/ml) setelah 14 hari perlakuan berturut-turut adalah 96,67; 90,00;60,00;  dan  83,33%. Jumlah  konidia  yang  dibutuhkan  isolat Baso  untuk  mematikan  50%  serangga  dewasa Cosmopolites sordidus relatif lebih rendah (17.782,79 konidia/ml) dan waktu yang dibutuhkan untuk mematikan 50% serangga uji juga lebih singkat (LT 50 = 7,22 hari) dibanding ketiga isolat lainnya. Isolat Baso memiliki patogenisitas yang lebih tinggi dibanding ketiga isolat lainnya. Mortalitas stadia hama penggerek bonggol pisang berkisar 76,67% sampai 100% setelah 15 hari diinokulasi dengan jamur B. bassiana. Mortalitas stadia larva 2 C. sordidus relatif tinggi dibanding dengan stadia uji lainnya pada 15 hari setelah inokulasi. Hasil penelitian ini meberikan informasi bahwa jamur B. bassiana mempunyai potensi untuk dikembangkan sebagai  agens pengendali hama penggerek bonggol. Kata kunci: Musa sp; Patogenisitas; Beauveria  bassiana; Cosmopolites sordidus; Penggerek bonggol; Mortalitas ABSTRACT. This experiment was conducted at the labora- tory of Entomologiy, Indonesian Fruit Research Institute from May to October 2002. The soil samples were collected from banana production centers at Baso, Sei Tarab, Sei Sariek and Sikabau. The objectives of this experiment were to investigate the influence of spore dose on the infectivity of the isolates against adult and the susceptibility host of im- mature stages and mature stage of banana weevil which were treated with B. bassiana isolates. A completely random- ized design with twelve treatments and three replications were used in this study. The result showed that the effectiveness of the B. bassiana from four isolates increased with increasing spore dose. There was a significant differ- ent in infectivity of all isolates of B. bassiana. The adult banana weevil mortalities caused by entomopathogen fungi of B. bassiana isolate from Baso, Sei Tarab, Sei Sariek and Sikabau at highest density (3.2X108 conidia/ml) after two weeks were 96.67%, 90.00%, 60.00%, and 83.33% respectively. The aqueous suspension of B. bassiana conidia from isolate Baso was the lowest with LC50’s of 1778289 conidia/ml and a Lethal time 50’s was faster 7.22 days compare than other isolate. It means that isolate B. basiana from Baso has higher patogenicity than other isolate. The mortality of banana weevil stages ranging from 76.67% to 100% at 15 days after inoculation of B. Bassiana. Mortality of larva at the second stadia was relatively higher compared to the other stadia of banana corm borers. This study was undertaken to provide more information on the potential for developing B. bassiana as a control agent for the banana weevil borer.
Patogenisitas Isolat Beauveria bassiana (Balsamo) Vuillemin dalam Mengendalikan Hama Penggerek Bonggol Pisang, Cosmopolites sordidus Germar Hasyim, Ashol; -, Azwana
Jurnal Hortikultura Vol 13, No 2 (2003): Juni 2003
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v13n2.2003.p120-130

Abstract

Penelitian ini dilakukan di laboratorium Hama dan Penyakit, Balai Penelitian Tanaman Buah Solok pada bulan Mei sampai Oktober 2002. Sampel tanah dikoleksi dari sentral produksi pisang di daerah Baso, Sei Tarab, Sei Sariek, dan Sikabau Tujuan penelitian adalah mengetahui pengaruh dosis spora Beauveria bassiana terhadap serangga dewasa dan fase kerentanan serangga pradewasa dan dewasa hama penggerek bonggol pisang. Penelitian ditata dalam rancangan acak lengkap dengan tiga ulangan dan dua belas perlakuan. Hasil penelitian menunjukkan bahwa secara umum efektivitas B. bassiana meningkat dengan meningkatnya dosis untuk keempat isolat yang diuji. Terlihat perbedaan yang nyata infektivitas untuk semua  isolat B. bassiana. Mortalitas serangga dewasa hama penggerek bonggol pisang yang disebabkan oleh jamur entomopatogen B. bassiana dari isolat Baso, Sei Tarab, Sei Sariek, dan Sikabau pada konsentrasi tertinggi (3,2X108 konidia/ml) setelah 14 hari perlakuan berturut-turut adalah 96,67; 90,00;60,00;  dan  83,33%. Jumlah  konidia  yang  dibutuhkan  isolat Baso  untuk  mematikan  50%  serangga  dewasa Cosmopolites sordidus relatif lebih rendah (17.782,79 konidia/ml) dan waktu yang dibutuhkan untuk mematikan 50% serangga uji juga lebih singkat (LT 50 = 7,22 hari) dibanding ketiga isolat lainnya. Isolat Baso memiliki patogenisitas yang lebih tinggi dibanding ketiga isolat lainnya. Mortalitas stadia hama penggerek bonggol pisang berkisar 76,67% sampai 100% setelah 15 hari diinokulasi dengan jamur B. bassiana. Mortalitas stadia larva 2 C. sordidus relatif tinggi dibanding dengan stadia uji lainnya pada 15 hari setelah inokulasi. Hasil penelitian ini meberikan informasi bahwa jamur B. bassiana mempunyai potensi untuk dikembangkan sebagai  agens pengendali hama penggerek bonggol. Kata kunci: Musa sp; Patogenisitas; Beauveria  bassiana; Cosmopolites sordidus; Penggerek bonggol; Mortalitas ABSTRACT. This experiment was conducted at the labora- tory of Entomologiy, Indonesian Fruit Research Institute from May to October 2002. The soil samples were collected from banana production centers at Baso, Sei Tarab, Sei Sariek and Sikabau. The objectives of this experiment were to investigate the influence of spore dose on the infectivity of the isolates against adult and the susceptibility host of im- mature stages and mature stage of banana weevil which were treated with B. bassiana isolates. A completely random- ized design with twelve treatments and three replications were used in this study. The result showed that the effectiveness of the B. bassiana from four isolates increased with increasing spore dose. There was a significant differ- ent in infectivity of all isolates of B. bassiana. The adult banana weevil mortalities caused by entomopathogen fungi of B. bassiana isolate from Baso, Sei Tarab, Sei Sariek and Sikabau at highest density (3.2X108 conidia/ml) after two weeks were 96.67%, 90.00%, 60.00%, and 83.33% respectively. The aqueous suspension of B. bassiana conidia from isolate Baso was the lowest with LC50’s of 1778289 conidia/ml and a Lethal time 50’s was faster 7.22 days compare than other isolate. It means that isolate B. basiana from Baso has higher patogenicity than other isolate. The mortality of banana weevil stages ranging from 76.67% to 100% at 15 days after inoculation of B. Bassiana. Mortality of larva at the second stadia was relatively higher compared to the other stadia of banana corm borers. This study was undertaken to provide more information on the potential for developing B. bassiana as a control agent for the banana weevil borer.
Co-Authors Azwana - K Nakamura Kamisar -