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Jimmy Rimbing
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Medicine & Pharmacology Social Sciences

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POPULASI DAN SERANGAN LARVA Batocera hercules Boisduv (COLEOPTERA: CERAMBYCIDAE) PADA TANAMAN PALA DI KECAMATAN KAUDITAN KABUPATEN MINAHASA UTARA Ruknindi D.L Mamonto D.L Mamonto; Moulwy Frits Dien; Jimmy Rimbing
COCOS Vol. 9 No. 5 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i1.19300

Abstract

ABSTRACTNutmeg plant is a superior plant of plantation sub-sector of North Sulawesi Province. Basically nutmeg plants are still a source of income farmers at the center of nutmeg production in North Sulawesi. In the development of plants Pala problem faced by farmers is borer stem borer Batocera Hercules. This study aims to determine the population and attack of B. hercules, on nutmeg plants in Kauditan District of North Minahasa Regency. The research used survey method on nutmeg plantation in Kauditan District of North Minahasa Regency. Servey result set three villages as sample location that is Karagesan village, Treman village and Watudambo village.Determination of sample plants was done randomly by selecting each of 20 trees in each village. Observation and sampling is done 4 times with interval once a week. Thus, the total sample crop at each sample/village location is 80 trees. To avoid double observation, the observed plants are marked at the base of the stem and are not observed again.The results showed that from 80 sample plants observed in each village in Kauditan District of North Minahasa Regency, the largest larvae population was found in the Karegesan village ie as many as 38 heads, then Treman village 7 and Watudambo Village 2. The highest percentage of affected plants was found in Keregesan Village which reached an average of 60.00%, then Treman village 26.25% and Watudambo Village 15.00%. The highest level of damage to the crop was found at the site of Karegesan village which reached an average of 2.11 holes / trees, Treman village averaged 0.37 hole / tree, Watudambo village on average 0.16 hole / tree.Keywords : Plant Nutmeg, Population of larva, Batocera hercules
PENGGUNAAN METHYL EUGENOL TERHADAP SERANGAN LALAT BUAH (Bactrocera sp.) PADA TANAMAN CABAI KERITING (Capsicum annum L.) DI KOTA TOMOHON Karni Frastika Dondo; Jimmy Rimbing; Caroulus Rante
COCOS Vol. 10 No. 2 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i4.21177

Abstract

ABSTRACT  Curly chili (Capsicum annum L.) is one of the many horticultural commodities needed in daily life so that its needs continue to increase along with population growth and technological progress. One of the main pest species that attacks fruits and vegetables in Indonesia is Bactrocera sp. Methyl eugenol is reported sp to be able to control fruit flies in mango, guava, starfruit, melon, jackfruit, guava, tomato, red pepper and bitter melon. The aim of this study was to determine the level of fruit damage by Bactrocera sp. Fruit flies. in the use of methyl eugenol in curly chili plants in Tomohon City, especially in the villages of Kinilow, Kakaskasen, and Matani. The duration of the study lasted for three (months), namely from February to April 2018. This research was carried out by survey method or by direct observation at the research location. Results of research on percentage of Bactrocera sp. in the land of methyl eugenol from the first and second weeks of 21.53% and 20.78%, while in the third week, the percentage of attacks was 18.86% followed by the observation of the fourth and fifth weeks increased by 24.34% and 33.86%. While the land of farmers experienced a decrease in the percentage of attacks from the first week, the second was 16.19% and 15.78%, then followed in the third, fourth and fifth weeks, the percentage of attacks increased by 17.47%, 18.54% and 18.7% . Whereas on land that is left to attack Bactrocera sp. from the first week of 16.09%, the second week was 21.9%, and in the third and fourth weeks the attack rate increased by 25.38% and 26.52%, followed by the fifth week of the attack level which increased to 30.56%.  Keywords: Percentage, Bactrocera sp. Curly chili
PENGGUNAAN MEDIA PAKAN KACANG-KACANGAN TERHADAP POPULASI Corcyra cephalonica (Lepidoptera:Pyralidae) Yocindi Roba; Jimmy Rimbing; James B. Kaligis
COCOS Vol. 11 No. 2 (2019): EDISI APRIL-JUNI
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i1.27337

Abstract

ABSTRACT Beanshave been known as a complementary source of protein with whole grains, such as rice and wheat. As the age of agricultural commodities grows there are serious problems that have been found, namely pests of diseases in agricultural crops. Disease pest attacks not only during growing process, but also after harvest. One of the warehouse pests that cause damage to the food commodity that is stored is Corcyra cephalonica. The aim of this research is to know the development of C.cephalonica population of Beans. The study was conducted at the Plant Pest and Disease Laboratory from March to July 2017. The observations were made after the eggs hatched and become imago. It has been counted every day of the population from C.cephalonica until it finished which is about 11 days of observation. The results showed that the red bean flour medium had the lowest average imago C. cephalonica population which is 7.28 individuals followed by green bean flour medium that was 8.36 individuals on average. Then on soybean flour media that is 9.52 individuals and on the highest peanut flour media is 9.8 individuals. Keywords : Beans, C. cephalonica
Populasi Hama Keong Mas (Pomacea canikulata L.) Dalam Umpan Dan Jebakan Pada Tanaman Padi Sawah (Oryza sativa L.) Glaudio Lonta; Betsy A. N. Pinaria; Jimmy Rimbing; Marjam M. Toding
COCOS Vol. 12 No. 1 (2020): EDISI JANUARI-MARET 2020
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v5i5.30656

Abstract

ABSTRACTGolden snail (Pomacea canikulata L.) or also known as mulberry snail is one of the main pestsof rice plants in North Sulawesi, including in the City of Tomohon. This golden snail pest likesyoung rice plants with the intensity of damage varies from 10-100% depending on the level ofpopulation on each land. This pest destroys plants by grating plant tissue and eating it. In responseto help the problems faced by farmers, research has been carried out on the population of thegolden snail pest (Pomaceacaniklata L) in bait and traps on lowland rice plants (Orzya sativa L).The purpose of this study was to determine the effect of the use of papaya leaf baits and watertrench traps on the population of golden snail pests on lowland rice plants. The study wasconducted in Taratara 1 Village, West Tomohoon District, Tomohon City. The duration of thestudy is approximately four months, which took place from March to May 2020. The researchmethod was carried out by quantitative descriptive methods with direct experiments in the field.This experiment uses two lowland rice fields consisting of bait and trap. Observations were madeat the age of plants 21 days after planting, 28 days after planting, and 35 days after planting. Theresults of the research on the treatment of bait using papaya leaves an average of 24.8 individuals/ m2 and on the treatment of traps using an average water trench of 31.4 individuals / m2. Thepopulation of golden snail pests in both treatments decreased from plants aged 21 days afterplanting to 35 days after planting. The age factor in plants can increase the height of golden snailpests. Gold snail can easily attack plants by grating the plant tissue and eating it. Because thestructure of the stems, stems, and leaf blades in the plant is still young. Both treatments contributeto positive results, so that further research is needed by combining bait and trap treatments on alarger scale and can be integrated with other environmentally friendly control methods.
Serangan Parlatoria blanchardii Pada Beberapa Varietas Kurma (Phoenix dactylifera L) Di Pembibitan Mapanget Kabupaten Minahasa Utara Ricky A. Mangudisang; Jimmy Rimbing; Caroulus S. Rante; Adeleyda Lumingkewas
COCOS Vol. 12 No. 2 (2020): EDISI APRIL-JUNI 2020
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.30750

Abstract

ABSTRACTP. blanchardii is the major insect pest. Adult and nymph insects, suck nitrogen andmacro elements in leaves. In high-level attacks, P blanchardii causes major damage in the formof decreased P. blanchardii attacks causing date palms to cover a very thick leaf surface so thattranspiration, respiration and photosynthesis are disturbed, causing leaf wilt, inhibiting growthand reduction of mature tree yields and death of trees young. The research was carried out fromNovember 2019 to February 2020 at the Green House of Balit Palma Manado, North Sulawesi.The research method used was RAK with 7 treatments in the form of date varieties and 3replications. This research was conducted by means of quantitative descriptive data collectionmethods or primary data which was carried out directly in the field and saw firsthand P.blanchardii attacks on palm leaves. The things that were observed in this study were, symptomsof P. blanchardii pest attack on date palm leaves, attack on 5 leaflets and 10 leaflets, and 7varieties of date palm attacks per tree. The results showed that the percentage of attacks by P.blanchardii on dates was the highest attack on the Fard variety 55.41% and the lowest attackpercentage was the 9.32% Barhee variety. So it is necessary to do further research on P.blanchardii pests and also control using natural enemies against P. blanchardii pests on datepalms in Indonesia.Keywords: attacks, P. blanchardii, date palm variety
Development Of Warehouse Pest Sitophilus zeamais Motsch. On Corn Seed Varieties Bisi 18, Jh 37, Lamuru, Pertiwi 3 And Batras 1 In The Laboratory Tambelu, Merry Feiby; Tarore, Dantje; Rimbing, Jimmy; Paat, Frangky J.
Jurnal Agroekoteknologi Terapan Vol. 5 No. 1 (2024): EDISI JANUARI-JUNI 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v5i1.56351

Abstract

Seeds are an important input for increasing corn production and productivity. The use of low-quality seeds causes low corn production. The research aims to determine the development of the S. zeamais pest on corn seeds of varieties Bisi 18, JH 37, Lamuru, Pertiwi 3, and Batras 1. This research used a Completely Randomized (CRD) design with five treatments and three replications. As treatments were 5 varieties of corn seeds, namely Bisi 18, JH 37, Lamuru, Pertiwi 3, and Batras 1. The research method used was the Experimental Method, namely experimental research by researching the influence of the S. zeamais pest on five varieties of corn seeds. The results of variance analysis of differences in S. zeamais populations on corn seeds of the Bisi 18, Jh 37, Pertiwi 3, and Batras 1 varieties showed that the results were not significantly different except for the Lamuru variety which had significant differences. These data show that the Lamuru variety has the highest population of the S. zeamais pest. The high population of the pest S. zeamais on corn seeds of the Lamuru variety compared to other varieties could be caused by the pest being more attracted to the physical condition, nutritional, and chemical content of the seeds. The results of variance analysis of differences in damage between corn seed varieties due to S. zeamais attack showed real and very significant differences, except between the Betras 1 and Pertiwi 3 varieties which were not significantly different. The Lamuru variety has a higher number of damaged or hollow corn seeds compared to other varieties. Differences in the nutrient content and seed hardness of each corn seed variety can cause high damage to the Lamuru variety. Keywords: Warehouse Pests, Sitophilus oryzae, Experimental methods, Pest populations, damage to corn seeds. Abstrak Benih merupakan input penting bagi peningkatan produksi dan produktivitas tanaman jagung. Penggunaan benih dengan mutu rendah menyebabkan produksi jagung rendah. Penelitian bertujuan mengetahui perkembangan hama S. zeamais pada benih jagung varietas Bisi 18, JH 37, Lamuru, Pertiwi 3 dan Batras 1. Penelitian ini menggunakan rancangan Acak Lengkap (RAL) dengan lima perlakuan dan tiga ulangan. Sebagai perlakuan adalah 5 varietas benih jagung yaitu Bisi 18, JH 37, Lamuru, Pertiwi 3 dan Batras 1. Metode penelitian yang digunakan adalah Metode Eksperimen (Experimental Method) yaitu penelitian percobaan dengan melakukan penelitian pengaruh hama S. zeamais pada lima varietas benih jagung. Hasil analisa varians perbedaan populasi S. zeamais pada benih jagung varietas Bisi 18, Jh 37, Pertiwi 3 dan Batras 1 menunjukkan hasil yang tidak berbeda nyata kecuali terhadap varietas Lamuru memiliki perbedaan nyata. Data tersebut menunjukkan bahwa varietas Lamuru memiliki populasi hama S. zeamais tertinggi. Tingginya populasi hama S. zeamais pada benih jagung varietas Lamuru dibandingkan dengan varietas yang lain dapat disebabkan karena hama tersebut lebih tertarik pada keadaan fisik, kandungan nutrisi dan kimia biji benih tersebut. Hasil analisa varians perbedaan kerurasakan antar varietas benih jagung akibat serangan S. zeamais menunjukkan adanya perbedaan yang nyata dan sangat nyata, kecuali antara varietas Betras 1 dan pertiwi 3 tidak berbeda nyata. Varietas Lamuru memiliki jumlah biji benih jagung rusak atau berlubang dibandingkan dengan varietas lain. Tingginya kerusakan pada varietas Lamuru dapat disebabkan karena adanya pembedaan kandungan gisi dan kekerasan biji pada setiap varietas benih jagung. Kata kunci: Hama Gudang, Sitophilus oryzae,Mitode eksperimen, Populasi hama, kerusakan benih jagung
Patogenisitas Jamur Entomopatogen Metarhizium Anisopliae Metch. Terhadap Larva Spodoptera Litura F. Pada Tanaman Kubis (Brassicae Oleracea L.) Di Laboratorium Salasa, Tirsa; Tarore, Dantje; Rimbing, Jimmy
AGRI-SOSIOEKONOMI Vol. 20 No. 2 (2024): Agri-Sosioekonomi
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/agrsosek.v20i2.57233

Abstract

This study aims to analyze the pathogenicity of the entomopathogenic fungus M. anisopliae in infecting S. litura. The research was conducted over a period of 3 months, from February to May 2024. It took place at the Kalasey Biological Agents Laboratory, Balai Perlindungan dan Pengujian Mutu Tanaman Pangan dan Hortikultura (BPPMTPH) in North Sulawesi Province. The study employed a Completely Randomized Design (CRD) with 4 treatments, each replicated 4 times. The number of samples per replication was 20 larvae, resulting in a total of 80 larvae per treatment. Data were analyzed using probit analysis and ANOVA followed by Least Significance Different (LSD) test at a 5% significance level. The results indicated that the pathogenicity of the entomopathogenic fungus M. anisopliae could infect S. litura larvae as early as one day after application. The concentration of 108 conidia/ml was highly effective, achieving 100% mortality within 6 days of application. The fastest LT50 value was observed at the concentration of 108 conidia/ml, which required only 2.8 days, while the LC50 value was found at a concentration of 107.6 conidia/ml.
Co-Authors Adeleyda M. W. Lumingkewas Assa, Berty Betsy A. N. Pinaria Caroulus Rante Caroulus S. Rante Christina Salaki Dantje Tarore Daysi Kandowangko Defly A. S. Turang Elisabeth R. M. Meray Enderika Enus Erionata Manoi Evi Paendong Frangky J. Paat 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 Salasa, Tirsa Sandy J. Laoh Sigit A. Pratama Sigit A. Pratama, Sigit A. Sofia Wantasen Tairas, Robert William Tambelu, Merry Feiby Ventje Memah Yocindi Roba