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M. F. Dien
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PENGGUNAAN INSEKTISIDA BOTANIS UNTUK MENGENDALIKAN HAMA PADA TANAMAN TOMAT Rante, C. S.; Sembel, D. T.; Meray, E. R.M.; Ratulangi, M. M.; Dien, M. F.; Kandowangko, D. S.
EUGENIA Vol 19, No 2 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.19.2.2013.7374

Abstract

ABSTRACT   The experiment was conducted in the village of Touure, Tompaso District, Minahasa regency since April to August 2013. Designed studies using randomized block design with 3 treatments, namely fruit extract Bitung (treatment A), tuba root extract (treatment B) and water (control treatment), each treatment was repeated 3 times. Results showed that that the extract of Barringtonia asiatica and Derris elliptica has a botanical insecticide to control the properties of N. tenuis. Applications B. asiatica extract and D. elliptica were not significantly different, but both are significantly different from controls. In addition to N. tenuis found several Plant Pest Organisms (OPT) that attack tomato plants including pest Liriomyza sp., leafhoppers tomatoes., black stem base diseases, leaf spot diseases and viral diseases. Key words : Botanic Insecticide, Tomato pest control ABSTRAK   Penelitian dilaksanakan di Desa Toure, Kecamatan Tompaso, Kabupaten Minahasa sejak bulan April sampai dengan Agustus 2013.  Penelitian dirancang menggunakan Rancangan Acak Kelompok dengan 3 perlakuan yaitu ekstrak buah bitung (perlakuan A), ekstrak akar tuba (perlakuan B) dan air (perlakuan kontrol) yang masing-masing perlakuan diulang sebanyak 3 kali. Hasil penelitian menunjukkan bahwa bahwa ekstrak Barringtonia asiatica dan Derris elliptica memiliki sifat insektisida botanis untuk mengendalikan N. tenuis. Aplikasi ekstrak B. asiatica dan D. elliptica tidak berbeda nyata, namun keduanya berbeda nyata dengan kontrol.  Selain N. tenuis ditemukan juga beberapa Organisme Pengganggu Tanaman (OPT) yang menyerang tanaman tomat diantaranya hama Liriomyza sp., wereng tomat., penyakit pangkal batang hitam, penyakit bercak daun dan penyakit virus. Kata kunci : Insektisida botanis, pengendalian hama tanaman tomat
POPULASI HAMA PENGGEREK TONGKOL JAGUNG Helicoverpa armigera (LEPIDOPTERA : NOCTUIDAE) DI KABUPATEN BONE BOLANGO PROVINSI GORONTALO Tuliabu, Ramlan; Pelealu, J.; Kaligis, J. B.; Dien, M. F.
EUGENIA Vol 21, No 1 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.21.1.2015.11790

Abstract

ABSTRACT Helicoverpa armigera is one of the important pests in maize in Gorontalo province. The study aims to determine the population of corn cob borer Helicoverpa armigera has been implemented in Bolango Bone regency, Gorontalo Province from March to June 2011 study used a survey method based on the four zoning districts as follows: (1) the northern region districts Tilong Kabila, (2 ) Suwawa Western region districts namely, (3) the Eastern region districts Kabila, and (4) the South region, namely districts Bone Pante. The results showed that the average population of H. armigera cob borers on maize in Bone regency Bolango highest in the district is 3.75 Kabila Bone tail, then the tail 1.92 Tilongkabila districts, sub-districts and districts tail Kabila 1.83 Suwawa 1,4 tail. Keywords: Helicoverpa armigera, pest population
PREFERENSI PADA MEDIA PENELURAN DAN PEMBERIAN PAKAN TERHADAP PRODUKSI TELUR SEXAVA NUBILA STAL. (ORTHOPTERA; TETTIGONIDAE) Buambitun, Dinda G.; Salaki, Ch. L.; Manueke, J.; Dien, M. F.
EUGENIA Vol 21, No 2 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.21.2.2015.9184

Abstract

ABSTRACT The study aims to determine the effect of the combination of feeding and spawning media against S. nubila egg productivity has been carried out in the Laboratory of Biological Plantation Office, Village Lobbo, North Beo District of Talaud Islands. held for 4 months ie from January to April 2015. Research using completely randomized design (CRD) with treatments that (A) Media dry sand, (B) Media moist sand (C) Media dry soil, (D) Media soil moist, (E) Media mix of soil and sand to dry, (F) Media mixture of soil and sand moist. (G) Each treatment was repeated 4 times. Testing feeding consists of treatment (A) Coconut leaves, (B) Banana leaves, (C) Combination of palm leaves + banana leaves, (D) Reed.  The results showed that the highest egg production was found in Coconut leaves + combination treatment of Banana leaves which reached an average of 50.13 grains followed by treatment Coconut leaves of the grain 36.25, banana leaves 27.11 grain treatment, and treatment reeds 0, 06 grains. Observation of oviposition or the laying of eggs by female imago highest turns found in moist sand treatment media, reaching an average of 31.71 grains, kemuadian consecutive dry sand media average of 25.47 grains, sand + soil moist average of 23 , 64 grain, moist soil on average 21.16 grains, dry ground Sand + average 18.66 and the lowest point on dry land media average of 15.7 grains Keywords: Sexava nubila, Preferences and production of egg ABSTRAK Penelitian bertujuan untuk mengetahui pengaruh pemberian kombinasi pakan dan media peneluran terhadap produktifitas telur S. nubila telah dilaksanakan di Laboratorium Hayati Dinas Perkebunan, Desa Lobbo, Kecamatan Beo Utara Kabupaten Kepulauan Talaud. dilaksanakan selama 4 bulan yakni sejak bulan Januari sampai dengan April 2015. Penelitian menggunakan metode Rancangan Acak Lengkap (RAL) dengan perlakuan yaitu (A) Media pasir kering, (B) Media pasir lembab (C) Media tanah kering, (D) Media tanah lembab, (E) Media campuran tanah dan pasir kering, (F) Media campuran tanah dan pasir lembab. (G) Masing-masing perlakuan diulang sebanyak 4 kali. Pengujian pemberian pakan terdiri dari perlakuan (A) Daun kelapa, (B) Daun pisang, (C) Kombinasi daun kelapa + daun pisang, (D) Alang-alang.  Hasil penelitian menunjukkan bahwa peletakkan telur oleh imago betina ternyata tertinggi dijumpai pada perlakuan media pasir lembab yakni mencapai rata-rata 31,71 butir, kemudian berturut-turut media pasir kering rata-rata 25,47 butir, Pasir + Tanah lembab rata-rata 23,64 butir, Tanah lembab rata-rata 21,16 butir, Pasir + tanah kering rata-rata 18,66 butir dan terendah pada media tanah kering rata-rata 15,7 butir.  Pengamatan terhadap uji pemberian pakan  menunjukkan bahwa produksi telur tertinggi dijumpai pada perlakuan kombinasi pakan daun kelapa + daun pisang yakni mencapai rata-rata 50,13 butir kemudian diikuti oleh perlakuan daun kelapa 36,25  butir, perlakuan daun pisang 27,11 butir, perlakuan alang-alang 0,06 butir, dan tanpa pakan (kontrol) 0,00 butir. Kata kunci : Sexava nubila, preferensi dan produksi telur