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Moulwy F. Dien
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Journal : eugenia

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PENYEBARAN HAMA BARU PADA TANAMAN PEPAYA DAN PAKIS HAJI DI SULAWESI UTARA DISTRIBUTION AND STATUS OF NEWLY INTRODUCED INSECT PESTS OF PAKIS HAJI IN NORTH SULAWESI Dantje T. Sembel; Elisabeth R.M. Meray; Daisy S. Kandowangko; Moulwy F. Dien; Max M. Ratulangi
EUGENIA Vol. 18 No. 2 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.2.2012.2491

Abstract

ABSTRACTThe objective of this work was to study the distribution and state of the new and accidentally introducedinsect pests of papaya and pakis haji in North Sulawesi. Results showed that the papaya mealy bug,Paracoccus marginatus (Hemiptera: Pseudococcidae) has spread and establised in North Sulawesi butits level of infestation has been from low to medium depending on the location. The main naturalenemies found on the papaya mealy bug were Coccinelidae (Coleoptera), Hermetia illucens (Diptera:Stratiomyidae) and Acerophagus papaya (Hymenoptera: Encyrtidae). The Cycad scale, Aulacaspisyasumatsui Takagi (Hemiptera: Diaspididae) and yellow beetle, Lilioceris sp. (Coleoptera:Chrysomelidae) were first recorded on pakis haji in North Sulawesi and causing damage to pakis haji inthis region. The predator found on cycad scale was a beetle, of the famili Cybocephalidae genusCybocephalus.Keywords: Paracoccus marginatus, Aulacaspis yasumatsui, Lilioceris sp, papaya and pakis haji
DIAGNOSIS DAN INSIDENSI PENYAKIT ANTRAKNOSA PADA BEBERAPA VARIETAS TANAMAN CABE DI KOTA BITUNG DAN KABUPATEN MINAHASA Max M. Ratulangi; Dantje Terno Sembel; Caroulus S. Rante; Moulwy F. Dien; E. R Meray; M. Hammig; M. Shepard; G. Carner; E. Benson
EUGENIA Vol. 18 No. 2 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.2.2012.3561

Abstract

ABSTRACT   This study was carried out in the laboratory and in the field at City of Bitung, Districts of Minahasa.  The cause of disease was studied in the laboratory and the percentage of insidence of disease was carried out in the field. Results showed that the cause of antracnose disease in North Sulawesi was Colletotrichum gloeosporioides (Penz.) Penz & Sacc. in Penz (Cg). Computation of the antracnose disease insidence showed that variety white hot chili has the highest disease insidence which is 16.50% followed by green hot chili 10.13%, and the lowest is curled chili which is 9.03%.  The different in this rate is affected by pathogen, host plant and the environment. Field observation showed that this disease has already spread at all chili plantation at the City of Bitung and District of Minahasa. Keywords: Chili, antracnose, Colletotrichum gloeosporioides
JENIS DAN POPULASI SERANGGA HAMA PADA BERAS DI GUDANG TRADISIONAL DAN MODERN DI PROVINSI GORONTALO Jems Ilato; Moulwy F. Dien; Caroulus S. Rante
EUGENIA Vol. 18 No. 2 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.2.2012.3564

Abstract

ABSTRACT The quality and quantity of rice as a source of food for most of Indonesian people are closely connected with the activity of insect pests in Warehouse. This study aims to determine the species and insect pests populations on Rice at Traditional and Modern Warehouse in Province of Gorontalo. The study used a survey method shelter/rice warehouse in Mootilango district, Boliohuto District, and Tolangohula district, Gorontalo province. Sampling was conducted in a purposive sampling is to take a sample of the suspected rice pests. Sampling was carried out 4 times with a time interval of 2 weeks. The research found six species of insect pests on rice commodities in Gorontalo regency consisting of 5 species of the order Coleoptera and 1 type of the order Lepidoptera. The results show that the identification of insect pests found are Sitophilus oryzae (Coleoptera; Curculionidae), Tribolium castaneum (Coleoptera: Tenebrionidae), Carpophilus hemipterus (Coleoptera: Nitidulidae) Oryzaephilus sp. (Coleoptera; Silvanidae), Ahasverus sp. (Coleoptera; Cucujidae), Corcyra cephalonica (Lepidoptera; Pyralidae). Average highest pest insect populations, respectively S. oryzae (54.60 individuals), Tribolium sp. (13.85 individuals), Oryzaephilus sp. (4.52 individuals), Ahasverus sp. (3.42 individuals), Corcyra sp. (2.42 individuals) and C. hemipterus (6.94 individuals), while the highest populations of insect pests found in traditional 16.40 modern warehouses 12.34 individual Keywords : insect pests, rice, traditional and modern werehouse
KOMUNITAS SERANGGA HAMA PADA KOMODITI JAGUNG DI KECAMATAN MOOTILANGO, KABUPATEN GORONTALO PROVINSI GORONTALO Muskina Dj. Rahman; Moulwy F. Dien; J. E. Mamahit
EUGENIA Vol. 18 No. 3 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.3.2012.4093

Abstract

ABSTRACT   The research was aimed to determine the types of insect pests that attack corn in storage. This was conducted from April to July, 2011 in the district of Mootilango, Gorontalo Province. The sampling was conducted in a purposive sampling, which is taking the samples of suspected commodity corn pests. Samples were taken by the corn at the corner and the center of the diagonal area of which as many as 250 grams, then put them into a jar and covered with a soft cloth. Sampling was carried out four  times in every two weeks. The research found seven types of insect pests on the corn in storage, which consisted of six orders of Coleoptera and 1 order of Lepidoptera. The results showed that, the identification of insect pests were: Sitophilus sp., Ahasverus sp., Oryzaephilus sp., Tribolium sp., Rhyzopertha sp., Cryptolestes sp., and Sitotroga sp. Sitophilus sp., an insect pest with the highest population, was reached an average of 79.01 individuals, followed by Tribolium sp. (14.79 individuals), Cryptolestes sp. (13.30 individuals), Oryzaephilus sp. (11.26 individuals), Ahasverus sp. (7.45 individuals), Sitotroga sp. (4.30 individuals) and Rhyzopertha sp. (2.15 individuals). Keywords : Insect pest storage, corn   ABSTRAK Penelitian ini bertujuan untuk mengetahui jenis-jenis serangga hama yang menyerang jagung pipilan di penyimpanan. Penelitian telah dilakukan sejak bulan April sampai dengan Juli 2011 di Kecamatan Mootilango, Kabupaten Gorontalo, Provinsi Gorontalo. Pengambilan sampel dilakukan secara purposive sampling yaitu dengan mengambil sampel komoditi jagung pipilan yang diduga terserang hama.  Sampel komoditi jagung pipilan diambil pada bagian sudut dan bagian tengah (diagonal) yang masing-masing sebanyak 250 gram, kemudian dimasukkan ke dalam stoples dan disungkup dengan kain kasa halus.  Pengambilan  sampel dilakukan sebanyak 4 kali dengan interval waktu 2 minggu sekali. Hasil penelitian ditemukan 7 jenis serangga hama pada jagung pipilan dipenyimpanan yang terdiri dari 6 ordo Coleoptera dan 1 ordo Lepidoptera.  Hasil identifikasi menunjukkan bahwa serangga hama yang ditemukan adalah Sitophilus sp., Ahasverus sp., Oryzaephilus sp., Tribolium sp.,  Rhyzopertha sp.,  Cryptolestes, dan Sitotroga sp. Sitophilus sp. merupakan serangga hama dengan populasi tertinggi yakni mencapai rata-rata 79,01 individu, kemudian diikuti oleh Tribolium sp. (14,79 individu), Cryptolestes sp.  (13,30 individu),  Oryzaephilus sp. (11,26 individu), Ahasverus sp. (7,45 individu), Sitotroga sp. (4,30 individu) dan Rhyzopertha sp. (2,15 individu) Eugenia Volume 18 No. 3  Desember 2012 Kata kunci : serangga hama gudang, jagung pipilan
POPULASI DAN TINGKAT SERANGAN Nesidiocoris tenuis REUTER (HEMIPTERA: MIRIDAE) PADA TANAMAN TOMAT Caroulus S. Rante; Moulwy F. Dien
EUGENIA Vol. 18 No. 1 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.1.2012.4109

Abstract

ABSTRACT   N. tenuis is an insect pest on tomato plants. This insect has ben indentified as a pest to tomato plants in North Sulawesi since early 2000's. The study aimed to determine the population and the level of N. tenuis attack on tomato crop in North Sulawesi. Research used a survey method conducted at four areas in North Sulawesi: Tomohon, Langowan, Tompaso, and Modoinding. Sampling plots to determine population N. tenuis were placed at each location using an aspirator and sweep net. Observations to determine the level of attack N. tenuis were conducted when the plants began to bloom. This was done by watching randomly 8 plants in each sub-sampling plots. The results showed that populations of N. tenuis in tomato crops was relatively low at Tomohon region, reached an average of 0.42 individuals per plant,; at Tompaso, 0.64 individuals per plant, Langowan 2.40 individuals per plant, and Modoinding 5.40 individuals per plant. Observation of the attack N. tenuis on 144 plant samples showed that the highest was found in the sample located in Modoinding, 57.63%, followed by 49.76% in Langowan, 47.44% in Tomohon and 28, 46% in Tompaso. Keywords: Nesidiocoris tenuis, tomato   ABSTRAK   N. tenuis merupakan serangga hama pada tanaman tomat yang diketahui menyerang tanaman tomat di Sulawesi Utara sejak awal tahun 2000-an.  Penelitian bertujuan untuk mengetahui populasi dan tingkat serangan N. tenuis di beberapa sentra pertanaman tomat Sulawesi Utara.  Penelitian menggunakan metode survey pada empat lokasi sentra penanaman tomat di Sulawesi Utara, yaitu Kota Tomohon, Kecamatan Langowan, Kecamatan Tompaso, dan Kecamatan Modoinding.  Pengambilan sampel untuk mengetahui populasi N. tenuis dilakukan pada masing-masing lokasi dengan menggunakan aspirator dan jaring serangga pada sub-petak pengamatan yang telah ditentukan; sedangkan pengamatan untuk mengetahui tingkat serangan N. tenuis dilakukan pada saat tanaman mulai berbunga dengan mengamati secara acak sebanyak 8 tanaman pada masing-masing sub-petak. Hasil penelitian menunjukkan bahwa populasi N. tenuis pada tanaman tomat relatif rendah yakni kota Tomohon mencapai rata-rata 0,42 individu per tanaman, kemudian Kecamatan Tompaso, 0,64 individu per tanaman, Kecamatan Langowan 2,40 individu per tanaman, dan Kecamatan Modoinding 5,40 individu per tanaman.  Pengamatan tingkat serangan N. tenuis, dari 144 tanaman sampel yang diamati pada masing-masing pengambilan sampel, tertinggi ditemukan pada lokasi sampel Modoinding yakni sebesar 57,63%, kemudian diikuti Langowan (49,76%), Tomohon (47,44%, dan Tompaso (28,46%). Kata Kunci : Nesidiocoris tenuis, tanaman tomat
SERANGGA-SERANGGA YANG BERASOSIASI PADA PERSEMAIAN PADI SAWAH DI KECAMATAN KOTAMOBAGU TIMUR KABUPATEN BOLAANG MONGONDOW Irma S. Tunggali; Juliet M.E. Mamahit; Moulwy F. Dien
EUGENIA Vol. 19 No. 1 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.19.1.2013.8376

Abstract

ABSTRACT   This study aims to determine the types of insects that are associated to the rice nursery at sub district of East Kotamobagu, Bolaang Mongondow Regency. Research using Survey Methods on two sample locations at sub-district of East Kotamobagu, those are Kobo Besar and Kobo Kecil Village. Each location has determined by three specified locations in paddy rice nursery which is used as a sampling point. Sampling was done by using a sweep net by sweeping a double swing in ten times with the interval once a week for one month. The results showed that, there were ten species of insects associated in paddy rice nursery at sub-district of East Kotamobagu. Insects, has  found were the order of Coleoptera, Orthoptera, Diptera, Odonata, Homoptera, and Hymenoptera. The identification of insects found in the areas of rice nurseries were: Nephotettis sp., Nilaparvata sp., Conocephalus sp., Oxya sp., Ophionea sp., Verania sp., Menochilus sp., Atherigona sp., Agriocnemis spp. and Ichneumonidae. From ten species of insects found four types of pests which act as Nephotettis sp., Nilaparvata sp., Oxya sp., and Atherigona spp.; five  types act as a predator, those are: Conocephalus sp., Ophionea sp., Verania sp., Menochilus sp., Agriocnemis spp.; and one type of role as parasitoids, is family Ichneumonidae. Keywords: rice nurseries field, insects ABSTRAK Penelitian ini bertujuan untuk mengetahui jenis-jenis serangga yang berasosiasi pada persemaian padi sawah di Kecamatan Kotamobagu Timur, Kabupaten Bolaang Mongondow.  Penelitian menggunakan metode survey pada dua lokasi sampel di Kecamatan Kotamobagu Timur, yaitu Desa Kobo Besar dan Kobo Kecil. Masing-masing lokasi ditentukan tiga persemaian padi sawah yang digunakan sebagai tempat pengambilan sampel. Pengambilan sampel dilakukan dengan menggunakan jaring serangga dengan cara penyapuan sebanyak sepuluh kali ayunan ganda dengan interval waktu seminggu sekali selama 1 bulan. Hasil penelitian menunjukkan bahwa, terdapat sepuluh jenis serangga yang berasosiasi pada persemaian padi sawah di Kecamatan Kotamobagu Timur.  Serangga-serangga yang ditemukan adalah ordo Coleoptera, Orthoptera, Diptera, Odonata, Homoptera, dan Hymenoptera. Hasil identifikasi menunjukkan bahwa serangga-serangga yang ditemukan pada areal persemaian padi adalah Nephotettis sp., Nilaparvata sp., Conocephalus sp., Oxya sp., Ophionea sp., Verania sp., Menochilus sp., Atherigona sp.,  Agriocnemis spp. dan Ichneumonidae. Dari sepuluh jenis serangga yang ditemukan empat jenis berperan sebagai hama yaitu Nephotettis sp., Nilaparvata sp., Oxya sp., dan Atherigona spp.; lima jenis berperan sebagai predator yaitu Conocephalus sp., Ophionea sp., Verania sp., Menochilus sp., Agriocnemis spp. dan 1 jenis berperan sebagai parasitoid yaitu family Ichneumonidae.  Eugenia Volume 19  No. 1  April 2013 Kata kunci : persemaian padi sawah, serangga
PENGGUNAAN Trichoderma sp. DAN PGPR UNTUK MENGENDALIKAN PENYAKIT PADA TANAMAN STRAWBERRY DI RURUKAN (MAHAWU) Caroulus S. Rante; Elisabet R.M. Meray; Daisy S. Kandowangko; Max M. Ratulangi; Moulwy F. Dien; Dantje T. Sembel
EUGENIA Vol. 21 No. 1 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.21.1.2015.11799

Abstract

ABSTRACT Study aims (a) to determine the effectiveness of Trichoderma sp., combination PGPR and Trichoderma sp., and PGPR to the development of diseases that attack strawberry plants, (b) to study the effect of application of Trichoderma sp., combination PGPR and Trichoderma sp. and PGPR for strawberry production.  The experiment was conducted in the village Rurukan (Mahawu), subdistrict Tomohon Timur.  Study lasted from March to August 2013.  Experiments using a randomized block design with 4 treatments, as follows: Treatment A = Trichoderma sp., Treatment B = PGPR, Treatment C = combination of Trichoderma sp. and PGPR, and Treatment D = Control.  The experiment was repeated 4 times.  Data were analyzed using Minitab software ver. 14.  Things that observed the symptoms of disease, number of shoots, roots and heavy weight of strawberries.  The results showed that strawberry plants are not attacked by various diseases. Fungus Verticillium sp. encountered attack strawberry plants with very low intensity.  The average number of shoots ever encountered on the 6.25 shoots PGPR treatment and lowest in the control treatment, ie 2.20 shoots .  The average weight of the heaviest roots found in the PGPR treatment and 68.75 grams of the lowest in the control treatment, which is 13.50 grams.  The average weight of the fruit of the highest found in the 731.25 grams of PGPR treatment and lowest in the control treatment fruit weighing 417.50 grams. Keywords : Trichoderma sp., Verticilium sp., PGPR, Mahawu
POPULASI DAN SERANGAN Cnaphalocrosis medinalis (LEPIDOPTERA; PYRALIDAE) PADA TANAMAN PADI SAWAH DI KABUPATEN MINAHASA TENGGARA Moulwy F. Dien; Daisy S. Kandowangko
EUGENIA Vol. 23 No. 1 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.23.1.2017.15413

Abstract

ABSTRACTThe experiment was conducted using a survey method at 4 locations/district in the Southeast Minahasa Regency is Belang,Tombatu, North Tombatu, and East Tombatu. Each location/districts determined three paddy fields (repeats) as a place of observation and sampling. The study lasted for 10 months ie from January to October 2015. Sampling is done diagonally to the respective fields. So one rice field consists of 5 sub-plot as a point of sampling Samples are larvae present in the leaf roll. Implementation of the sampling carried out on rice plants vegetative phase once a week for 6 weeks. The results showed that the average population of C. medinalis (per-10 clumps) on paddy rice cultivation in Southeast Minahasa Regency highest found in the location of the North Tombatu 10.99, then Eastern Tombatu 10.44, Belang 10.43 and lows in the Tombatu 0.94. Observations of percentage of pests C. medinalis highest in Southeast Minahasa Regency found in the sample locations in the North Tombatu which reached 33.95%, Belang 32.51%, Eastern Tombatu 31.86%, and the lowest in the Tombatu 4.08%. Keywords : rice, Cnaphalocrosis medinalis
Co-Authors Alan Lalisang Alva Rorong Betsy A.N. Pinaria Caroulus S. Rante Christina Salaki Daisy S. Kandowangko Dantje T. Sembel Dantje Terno Sembel E. Benson E. R Meray Elisabet R.M. Meray Elisabeth R.M. Meray G. Carner Guntur M.J. Manengkey Guntur S.J. Manengkey Herens A. Parera Herianto I. Kojong Irma S. Tunggali J. E. Mamahit Jantje Pelealu Jantje Pelealu Jems Ilato Juliet E.M. Mamahit Juliet M.E. Mamahit Juliet M.E. Mamahit Jusuf Manueke Kawulusan, Joice L.A. M. Hammig M. Shepard Mariane K. Lumananw Max M. Ratulangi Maxi Lengkong Michael S.N. Bakri Michael S.N. Bakri, Michael S.N. Muskina Dj. Rahman Noni N. Wanta Noni N. Wantah Paruntu, Meisye H. B. Slamet Pulukadang Vera E. Tangkilisan