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All Journal Jurnal Bios Logos EUGENIA JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI Jurnal Agroekoteknologi Terapan COCOS
Jimmy Rimbing
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Medicine & Pharmacology

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PENYEBARAN HAMA KEPINDING TANAH DAN MUSUH ALAMINYA PADA PERTANAMAN PADI SAWAH DI SULAWESI UTARA Paendong, Evi; Pelealu, Jantje; Rimbing, Jimmy
EUGENIA Vol 17, No 3 (2011)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.17.3.2011.3541

Abstract

ABSTRACT   Bedbug is the major pest in paddy fields in North Sulawesi. The pest attacks on vegetative and generative phase of rice . The species  of pest  attacking on  paddy fields in North Sulawesi is unknown. The study aimed to evaluate  the spread of bedbug ground pests, to identify the pest species as well as natural enemies of the pest at  the ecosystem of paddy fields in North Sulawesi. The result showed that the pest had spread to paddy field in Bolaang Mongondow, South Minahasa and Southeast Minahasa. In Minahasa regency, the pest had not been detected. In terms of population density of pest bugs , the highest was  found in  Bolaang Mongondow which was 14.67 individual per 20 times of swinging  followed by South Minahasa which was 10.33 individual. The lowest was found in Southeastern Minahasa which was 0.67 individuals. There were eight types of natural enemies of the pest  in  soil ecosystem of paddy fields in North Sulawesi. The eight types of natural enemies of the pest were  seven  predator and one parasitoid. The one parasitoid was Telenomus sp. The  seven predator were  Micraspis crocea, Methioche sp, Anaxipha sp, Oxyopes javanus, Tetragnatha sp, Lycosa sp and Chilomenes sp. Keywords: bedbug spread of soil, its natural enemies
POPULASI DAN PEJEBARAN CENDAWAN Beauveria bassiana PADA HAMA PADI Leptocorisa acuta DI KABUPATEN BOLAAN MONGONDOW Tairas, Robert William; Rimbing, Jimmy; Assa, Berty
JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI Vol 5, No 2 (2018)
Publisher : JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI

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Abstract

Leptocorisa acuta.merupakan hama utama pada tanaman padi sawah di Sulawesi Utara. Kerusakan L. acuta menghisap isi malai/gabah menyebabkan gabah menjadi kosong atau hampa. Untuk menekan populasi L. acuta petani masih tergantung pada insektisida, karena belum ada cara lain yang mampu menurunkan populasi hama L. acuta secara nyata.. Tujuan penelitian adalah mempelajari padat populasi hama dan penyebaran cendawan Beauveri bassiana pada hama padi L. acuta di Kabupaten Bolaang Mongondow. Lokasi pengambilan contoh pada tanaman padi hama L. acuta dilakukan di Kecamatan Poigar, Lolayan, dan Dumoga. Manfaat dari Penelitian ini diharapkan dapat memberikan informasi mengenai padat populasi serta penyebaran cendawan Beauveria bassiana. Hasil yang diperoleh menunjukan bahwa padat populasi hama walang sangit L. acuta telah menyebar pada pertanaman padi di tiga Kecamatan Poigar, Lolayan, dan Dumoga. Populasi tertinggi ditemukan pada Kecamatan Poigar yaitu 33 ekor/ 10 kali ayunan kemudian diikuti oleh Kecamatan Dumoga 30.67 ekor/ 10 kali ayunan dan Kecamatan Lolayan 13.67 ekor/ 10 kali ayunan. Untuk penyebaran Cendawan Beauveria bassiana ditemukan pada tiga Kecamatan yaitu Poigar, Lolayan dan Dumoga. _____________________________________________________________________________Kata kunci: Tanaman Padi, Leptocorisa acuta, Beauveria bassiana
Efektifitas Daun Sirsak (Anona muricata L) dan Daun Gamal (Gliricidia sepium) dalam Pengendalian Hama Walang Sangit (Leptocorisa acuta T) pada Tanaman padi Effectiveness of Soursop Leaf (Anona muricata L) and Gliricidia Leaf (Gliricidia sepium) to Contr Lebang, Midy San; Taroreh, Dantje; Rimbing, Jimmy
JURNAL BIOS LOGOS Vol 6, No 2 (2016): JURNAL BIOSLOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.6.2.2016.13792

Abstract

Abstrak Penelitian ini bertujuan menguji efektifitas ekstrak daun sirsak dan daun gamal sebagai pengendali hama walang sangit  pada tanaman padi. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan 2 perlakuan yaitu jenis ekstrak dan konsentrasi ekstrak. Perlakuan 1 yaitu jenis ekstrak daun (A): sirsak (A1) dan gamal (A2), perlakuan 2 yaitu konsentrasi ekstrak (K): Kontrol (K0), 5% (K1), 10% (K2), 15% (K3), dan 20% (K4). Hasil penelitian menunjukkan bahwa ekstrak daun sirsak efektif terhadap mortalitas walang sangit tertinggi pada konsentrasi 20% (83%) dan yang terendah pada konsentrasi 0% (0 %). Ekstrak daun gamal juga efektif terhadap mortalitas walang sangit tertinggi pada konsentrasi 20% (74%) dan yang terendah pada konsentrasi 0% (0%). Waktu kematian pada hari pertama setelah aplikasi dengan rata-rata mortalitas tertinggi berada pada perlakuan ekstrak daun sirsak 20% (30%) dan daun gamal 20% (28%) dan terendah berada pada perlakuan ekstrak daun sirsak 0% (0%) dan daun gamal 0 % (0%). Kata kunci: daun gamal, daun sirsak, tanaman padi, walang sangit Abstract This study aimed to evaluate the effectiveness of soursop leaf extract and gliricidia leaves as pest control of walang rice (L. acuta) in the rice plants. This study used a completely randomized design (CRD) with 2 treatments, i.e. extract type and extract concentration. The treatment of extract type (A) were soursop (A1) and Gamal (A2), whereas the treatment  of extract concentration (K) were control (K0), 5% (K1), 10% (K2), 15% (K3), and 20% (K4). The results showed that the soursop leaf extract was effective to control sangit walang with the highest mortality was in the concentration of 20% (83%) and the lowest was in the concentration of 0% (0%). Gliricidia leaf extract was also effective to control sangit walang with the highest mortality in the concentration of 20% (74%) and the lowest was in the concentration of 0% (0%). The mortality time was on the first day of the application with the average highest mortality was in the treatment of 20% soursop leaf extract  (30%)and 20% gliricidia leaves (28%) respectively. The lowest mortality was in the treatment of 0% soursop leaf extract (0%) and 0% gliricidia leaves (0%).Keywords: gliricidia leaves, rice plant, soursop leaves, walang rice pest
Keanekaragaman dan Perbedaan Jenis Kupu-kupu (Ordo Lepidoptera) Berdasarkan Topografi pada Tiga Lokasi Hutan di Sulawesi Utara Diversity and Differences type of Butterfly species (Order Lepidoptera) based on the topography of the three forest location in Gosal, Lidyana Maya; Memah, Ventje; Rimbing, Jimmy
JURNAL BIOS LOGOS Vol 6, No 2 (2016): JURNAL BIOSLOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.6.2.2016.13791

Abstract

Abstrak   Kupu-kupu merupakan salah satu bagian dari ekosistem yang fungsinya mempertahankan keseimbangan ekosistem dan memperkaya keanekaragaman hayati. Tujuan penelitian yaitu untuk menganalisis kekayaan, kelimpahan, keanekaragaman dan kemerataan spesies di hutan Danowudu, Masarang dan Kawatak, juga membandingkan jenis kupu-kupu berdasarkan topografi pada ketiga lokasi hutan tersebut. Penelitian ini dilaksanakan di hutan Danowudu, Masarang dan Kawatak dan dilanjutkan di laboratorium dari bulan Maret-Juli 2016. Penelitian ini menggunakan metode transek dan rute dibuat sepanjang 1000 m untuk setiap transek. Hasil penelitian menunjukkan bahwa kelimpahan, kekayaan dan keanekaragaman spesies kupu-kupu tertinggi di hutan Danowudu. Kemerataan spesies tertinggi di hutan Masarang. Spesies kupu-kupu yang hanya dapat ditemukan di hutan Danowudu (200-240 mdpl) terdiri dari 13 spesies. Spesies kupu-kupu yang hanya dapat ditemukan di hutan kawatak (827-938 mdpl) terdiri dari 7 spesies. Spesies kupu-kupu yang hanya dapat ditemukan di hutan Masarang (1084-1194 mdpl) terdiri dari 3 spesies. Kata kunci: keanekaragaman, kupu-kupu, Lepidoptera, Sulawesi Utara   Abstract   Butterfly is part of an ecosystem and has function to maintain ecosystem stability and enrich biodiversity. This research aimed to analyze the richness, abundance, diversity and evenness of species in Danowudu, Masarang and Kawatak forest as well as to compare the species of butterflies based on the topography of the three locations of the forest. This research was conducted in Danowudu, Masarang and Kawatak forest and the continued in the laboratory from March to July 2016. This study used a transect method and the route was made as long as 1000 m for each transect. The results showed that the highest abundance, richness and diversity of butterfly species were in Danowudu forest. The highest evenness of species was in the Masarang forest. Butterfly species that was only found in Danowudu forest (200-240 masl) consisted of 13 species. Butterfly species that was only found in Kawatak forest (827-938 masl) included 7 species. Butterfly species that was only found in Masarang forest (1084-1194 masl) comprised 3 species. Keywords: butterfly, diversity, Lepidoptera, North Sulawesi
Control Agents Of Environmentally Friendly Plant Disordering Organisms (Opt) Used Vegetable Farmers In Tomohon City Enderika Enus; Elisabeth R. M. Meray; Jimmy Rimbing; Sofia Wantasen; Defly A. S. Turang
Jurnal Agroekoteknologi Terapan Vol. 3 No. 2 (2022): EDISI JULI-DESEMBER 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i2.38267

Abstract

This research on Environmentally Friendly Control Agents for Plant-Disturbing Organisms (PDOs) Used by Vegetable Farmers aims to identify the kind eco-friendly control agents used by vegetable farmers in the city of Tomohon to cope with Plant-Disturbing Organisms. This study uses survey as its method which was conducted via questionnaire. Forty farmers were surveyed and directly interviewed. The data collected from these questionnaires were then calculated in order to gain the percentage value and displayed in the form of a diagram.The result of this research indicates that only a small number of vegetable farmers in the city of Tomohon use environmentally friendly control agents for plant-disturbing organisms (PDOs). This is made possible due to the fact that both the scarcity of information regarding environmentally friendly control agents (PDOs) and its availability are limited.   Keywords: Controlling agents, environmentally friendly AbstrakPenelitian mengenai Agen-agen Pengendali Organisme Penggangu Tanaman (OPT) Ramah Lingkungan Yang Digunakan Petani Sayuran Penelitian ini bertujuan untuk mengetahui agen-agen pengendali Organisme Penggangu Tanaman (OPT) ramah lingkungan yang digunakan petani sayuran di Kota Tomohon. Penelitian ini menggunakan metode survei. Survei dilakukan dengan menggunakan kuesioner. Petani yang disurvei sebanyak empat puluh orang, wawancara langsung kepada petani melalui kuesioner. Pengumpulan data kuesioner kemudian dihitung nilai presentase dan ditampilkan dalam bentuk diagram.Hasil penelitian ini menunjukkan bahwa petani sayuran di Kota Tomohon dari ke-4 jenis tanaman yang disurvei baru sebagian kecil yang menggunakan agen pengendali organisme pengganggu tanaman (OPT) ramah lingkungan. Hal ini dimungkinkan karena baik informasi maupun ketersediaan agen-agen pengendali (OPT) ramah lingkungan yang masih sangat terbatas.Kata kunci : Agen-agen pengendali, ramah lingkungan
USE OF PLANT-BASED PESTICIDES CYMBOPOGON NARDUS AND MIMOSA PUDICA TO CONTROL RICE PESTS Inri Wowor; Christina L. Salaki; Jimmy Rimbing
Jurnal Agroekoteknologi Terapan Vol. 3 No. 1 (2022): EDISI JANUARI-JUNI 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i1.38816

Abstract

This study aims to determine the effect of using extracts of Cymbopogon Nardus L. and Mimosa Pudica extracts as controlling pests of rice plants. The results of the study showed that the use of extracts of Cymbopogon Nardus and Mimosa pudica was able to cause mortality, especially for the pest Leptocorisa acuta on rice plants. The chemical content of Cymbopogon Nardus is in the form of citronella essential oil consisting of siral compounds, citronella, geraniol, mirsena, nerol, farnesol methyl heptanol, and dipentene. The largest content is citronella, which is 35%, and geraniol, which is 34-40%.The chemical content of Mimosa pudica is in the form of a secondary metabolite called mimosin, as well as pipecholinic acid, tannins, alkaloids, saponins, triterpenoids, sterols, polyphenols and flavonoids. The presence of this chemical content underlies the use of M. invisa weed as a vegetable pesticide.Keywords: Cymbopogon Nardus, Mimosa invisa, pesticides, vegetable extractsAbstrakKajian ini bertujuan untuk mengetahui pengaruh pemanfaatan ekstrak ekstrak Cymbopogon Nardus L. dan  Mimosa Pudica sebagai pengendali organisme pengganggu tanaman padi. Hasil kajian menunjukkan bahwa pemanfaatan ekstrak Cymbopogon Nardus dan Mimosa pudica mampu terjadi mortalitas, khususnya pada hama Leptocorisa acuta pada tanaman padi. Kandungan bahan kimia Cymbopogon Nardus ini berupa minyak atsiri serai wangi terdiri dari senyawa siral, sitronela, geraniol, mirsena, nerol, farmesol methyl heptenol, dan dipentena. Kandungan yang paling besar adalah sitronela yaitu 35% dan geraniol sebesar 34-40%.Kandungan bahan kimia Mimosa pudica berupa metabolit sekunder yang disebut mimosin, serta asam pipekolinat, tannin, alkaloid, saponin, triterpenoid, sterol, polifenol dan flavonoid. Adanya kandungan bahan kimia inilah yang mmendasari pemanfaatkan gulma M. invisa sebagai pestisida nabati.Kata kunci: Cymbopogon Nardus, Mimosa invisa, pestisida, ekstrak nabati.
POPULASI HAMA KEPINDING TANAH (Scotinophara coartata F.) PADA TANAMAN PADI SAWAH DI KECAMATAN DUMOGA UTARA KABUPATEN BOLAANG MONGONDOW Jandrio H. Moonik; Jantje Pelealu; Henny V.G. Makal; Jimmy Rimbing
COCOS Vol. 6 No. 5 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i5.7588

Abstract

ABSTRACTRice crops (Oryza sativa L.) is a crops that produce rice which is used as staple food of about 90% of Indonesia's population consumes rice. Pest is any organism that can interfere with the growth and development of plants so that the plants become damaged, stunted growth, and or death. Bedbug soil pest (Scotinophara coartata F.) is one of major pests that attacks rice crops and spread on planting rice in Sulawesi, Sumatra, Kalimantan and Java. This research aims to find out pest population S. coarctata in rice plants by plant age in some villages in the sub-district of North Dumoga, regency of Bolaang Mongondow. The research took place in sub-district of North Dumoga, regency of Bolaang Mongondow, which was in three villages, that is North Dondomon, South Mopuya and South Mopuya I, and the execution time was from October to Desember 2014. This research uses survey method with direct observation technique. Each village was taken three observation plot, and determined of five sub observation plot to be observed. The materials and tools used were rice crops planting, meter, plastic rope, bamboo poles, scissors, cameras and stationery. The research result shows that the population of soil bedbug (S. coartata F.) on the rice crops in sub-district of North Dumoga based on the age of the plant, the highest pest population was found in the age 42 hst is 4,15 tails, then in the age 28 hst is 2,81 tails and the lowest in the age 14 hst is 1,35 tails, and based on the location, the highest in the village of South Mopuya ie 3,07 tail, followed by the village of North Dondomon is, 2.67 tails and lowest in the village of South Mopuya I is 2,56 tail.Keyword: rice plants, soil bedbug, population
POPULASI DAN PERSENTASE SERANGAN HAMA PENGGEREK BATANG (Ostrinia furnacalis Guenee) PADA TANAMAN JAGUNG MANIS (Zea mays saccharata Sturt) DI KECAMATAN TOMOHON UTARA KOTA TOMOHON Sigit A. Pratama; James B. Kaligis; Jimmy Rimbing
COCOS Vol. 6 No. 11 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i11.8425

Abstract

ABSTRACT In Indonesia, corn is the second important food crops after rice. Corn is also used as food, are also used as animal feed. Pests that attack sweet corn crop is pest O. furnacalis.  This study aims to determine the percentage of the population and O. furnacalis pests on crops of sweet corn in North Tomohon Tomohon sub district were housed in three villages, namely Village Wailan, Kakaskasen and Kakaskasen III.  The timing of the study for four months starting from the month of November 2014 to February 2015.  This study uses survey research and data collection population and the percentage of larvae attack O. furnacalis. Each village determined the sweet corn crop plots measuring approximately 0,5 ha then divided by five sub plots scattered observations diagonally and taken as many as 40 plants. Larval population data retrieval is done on old plants 54 days after planting (dat), 61 dat, dat 68 and dat 75 with an interval of seven days.  The results showed an average population of O. furnacalis found in sweet corn planting in the village Wailan is 9,35 individuals, followed by Village Kakaskasen 9,00 individuals and in the Village Kakaskasen III 6,85 individuals , The observation of the plants aged 54 to 75 dat O. furnacalis pest larvae attack sweet corn plants in North Tomohon sub district, but still relatively small percentage of attacks. The average percentage of attacks O. furnacalis highest in Sub Kakaskasen ie 11,12%, followed by Sub Wailan 8,50 % and 7,62% in Kakaskasen III. Keywords: Population, Percentage, O. furnacalis, Sweet Corn
JENIS DAN POPULASI LALAT BUAH (Bactrocera sp.) PADA TANAMAN CABAI KERITING (Capsicum annuum L.) DI KOTA TOMOHON Erionata Manoi; Jimmy Rimbing; Ventje Memah
COCOS Vol. 7 No. 6 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v7i6.13894

Abstract

SUMMARYThe study aims to determine the type and population of Bactrocera sp. in pepper curls inTomohon. Results are expected to be used as consideration in the preparation of pest controlstrategies Bactrocera sp. in pepper curls in the future akang come. The experiment was conducted incropping chilli curls on three Subdistrict namely Rurukan, Kakaskasen and Wailan. Research wasconducted during ± 3 months, ie April to June 2016. The study used survey methods at severalcenters planting chilli curls in Tomohon, then set the three villages as a location for research or as asampling. Criteria for the study site by the presence of old crop curly chili fruitful. Sampling usingMethod Diagonal slices are laid randomly trap fruit flies in each sub - sampling sites. Sampling wasdone by taking the imago Bactrocera sp. trapped, then the sample was collected in a bottlecontaining pure alcohol. Samples are labeled according to location and time of uptake, then taken tothe Laboratory of Entomology and Pest Plants, Faculty of Agriculture, University of Sam Ratulangi.Sampling was performed 5 times with intervals of 6 days. The results showed that there are twotypes and pest populations Bactrocera sp. at various research sites that Bactrocera dorsalis (Hendel)and Bactrocera umbrosa (Fabricus) with a total population of 4484 individuals.Key word : Cabai Keriting, Bactrocera sp.
POPULASI Corcyra cephalonica (LEPIDOPTERA;PYRALIDAE) PADA BEBERAPA KETEBALAN MEDIA TEPUNG JAGUNG Sandy J. Laoh; Daysi Kandowangko; Jimmy Rimbing
COCOS Vol. 8 No. 4 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i3.15025

Abstract

ABSTRACT This research was conducted at the Laboratory of Plant Pests and Diseases Faculty of Agriculture, University of Sam Ratulangi. Research time is less than four months from September until December, 2016. This research use corn flour as feed for C. cephalonica. The research compiled in a completely randomized design (CRD) and as treatment is the thickness of corn flour as feed for C. cephalonica. This experiment consisted of four treatment, which is 2 cm, 4 cm, 6 cm and 8 cm. each treatment was repeated of five times.  The result showed that thickness media of corn flour 8 cm had an average population imago of C. cephalonica most low at 54.2 individuals, while the population is high was found in media thickness of corn flour 2 cm with an average of 60.6 individuals, then at the media thickness of 6 cm and 4 cm on average the population is almost the same individuals 80.2 and 80.0 individuals to a thickness of 4 cm.
Co-Authors Adeleyda M. W. Lumingkewas Assa, Berty Betsy A. N. Pinaria Caroulus Rante Caroulus S. Rante Christina L. Salaki Dantje Taroreh Daysi Kandowangko Defly A. S. Turang Elisabeth R. M. Meray Enderika Enus Erionata Manoi Evi Paendong Glaudio Lonta Henny V.G. Makal Inri Wowor James B. Kaligis Jandrio H. Moonik Jantje Pelealu Jantje Pelealu Karni Frastika Dondo Lebang, Midy San Lidyana Maya Gosal Manoi, Erionata Marjam M. Toding Memah, Ventje Moulwy Frits Dien Ricky A. Mangudisang Ruknindi D.L Mamonto D.L Mamonto Sandy J. Laoh Sigit A. Pratama Sigit A. Pratama, Sigit A. Sofia Wantasen Tairas, Robert William Ventje Memah Yocindi Roba