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JENIS DAN POPULASI SERANGGA HAMA PADA BERAS DI GUDANG TRADISIONAL DAN MODERN DI PROVINSI GORONTALO Ilato, Jems; Dien, Moulwy F.; Rante, Caroulus S.
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
POPULASI DAN TINGKAT SERANGAN Nesidiocoris tenuis REUTER (HEMIPTERA: MIRIDAE) PADA TANAMAN TOMAT Rante, Caroulus S.; Dien, Moulwy F.
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
DIAGNOSIS DAN INSIDENSI PENYAKIT ANTRAKNOSA PADA BEBERAPA VARIETAS TANAMAN CABE DI KOTA BITUNG DAN KABUPATEN MINAHASA Ratulangi, Max M.; Sembel, Dantje Terno; Rante, Caroulus S.; Dien, Moulwy F.; Meray, E. R; Hammig, M.; Shepard, M.; Carner, G.; Benson, E.
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
APLIKASI MAT DALAM PENGENDALIAN LALAT BUAH BACTROCERA SP. (DIPTERA : TEPHRITIDAE) PADA TANAMAN CABE Lengkong, Maxi; Rante, Caroulus S.; Meray, Merlyn
EUGENIA Vol 17, No 2 (2011)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.17.2.2011.3533

Abstract

ABSTRACT   Research was aiming to determine the effectiveness of the attractant methyl eugenol + traps modification in the catch of species of fruit flies in the chilli plants at any given time and to identify the types of fruit flies trapped with methyl eugenol + traps modification on chilli crop acreage. The field research was conducted in the area of chilli crop in three places namely District Pineleng, Tompaso / Langowan and Modoinding. Observation number and type of fruit flies was performed at intervals of 2 weeks of observation for 3 months. The result showed that the number of fruit fly caught or trapped dead at 30 traps set in chilli crop acreage was 1278. The highest trapped was 164 whereas the lowest trapped was 89. The number of male fruit flies trapped was high implying that reduction of male fruit fly population in the field. There were five types of fruit flies identified from area of Pineleng, Tompaso and Modoinding namely Bactrocera umbrosa Fabricus, Bactrocera dorsalis (Hendel), Bactrocera philippinensis, Bactrocera carambolae, and Bactrocera sp. The five types were attracted to methyl eugenol. Key words : MAT (male annihilation technique), Bactrocera umbrosa Fabricus, B. dorsalis (Hendel), B. philippinensis, B. carambolae
PENGGUNAAN Trichoderma sp. DAN PGPR UNTUK MENGENDALIKAN PENYAKIT PADA TANAMAN STRAWBERRY DI RURUKAN (MAHAWU) Rante, Caroulus S.; Meray, Elisabet R.M.; Kandowangko, Daisy S.; Ratulangi, Max M.; Dien, Moulwy F.; Sembel, Dantje T.
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

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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
PEST ARMYWORMS (Spodoptera frugiperda) ON CORN PLANTS (Zea mays L.) Brayen Silap; Caroulus S. Rante
Jurnal Agroekoteknologi Terapan Vol. 2 No. 1 (2021): EDISI JANUARI-JUNI 2021
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v2i1.34066

Abstract

Corn (Zea mays L.) is the main food commodity after the rice has a strategic role in the development of agriculture and the economy. The development of this commodity contributes to the provision of foodstuffs and industrial raw materials. The development of corn on a wider scale can potentially increase the income of farmers and the regional economy. Corn is a source of food, carbohydrates, and protein. Corn has the potential as an alternative food substitute for rice.Keywords:  corn., pests., commodities. AbstrakJagung (Zea mays L.) merupakan komoditas pangan utama setelah padi yang mempunyai peranan strategis untuk pembangunan pertanian dan perekonomian. Pengembangan komoditas ini berkontribusi dalam penyediaan bahan pangan dan bahan baku industri. Pengembangan jagung dalam skala yang lebih luas dapat berpotensi meningkatkan pendapatan petani dan perekonomian daerah. Unsur gizi pada jagung merupakan sumber bahan pangan, karbohidrat dan protein. Jagung berpotensi sebagai bahan pangan alternatif pengganti padi.Kata kunci :  jagung., hama., komoditas.
PEST CONTROL OF APHIDS (Aphis gossypii) ON PEPPER PLANTS (Capsicum annum L.) USING AN EXTRACT OF CITRONELLA (Cymbopogan nardus L.) Ahmat S. Mumba; Caroulus S. Rante
Jurnal Agroekoteknologi Terapan Vol. 1 No. 2 (2020): EDISI JULI-DESEMBER 2020
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v1i2.34069

Abstract

The cultivation of Pepper plants (Capsicum annuum L.) is the agricultural business that promises a profit is attractive because of the high market demand. Chili including  commodity agriculture that gets serious attention from the government and businesses because of its contribution to the national economy. The factors or constraints in the cultivation of pepper plants is plant pest (OPT), which is still one of the main constraints on the cultivation of Chili peppers. The pests that are found on land under cultivation Chili namely aphids. Keywords: chili., plant pest., commodity. AbstrakBudidaya tanaman Cabai (Capsicum annuum L.) merupakan kegiatan usaha tani yang menjanjikan keuntungan menarik karena permintaan pasar yang tinggi. Cabai termasuk komoditas pertanian yang mendapat perhatian serius dari pemerintah dan pelaku usaha karena kontribusinya terhadap perekonomian nasional. Kendala dalam budidaya tanaman Cabai adalah organisme pengganggu tumbuhan (OPT) yang masih menjadi salah satu kendala utama pada budidaya cabai. Hama yang ditemukan pada lahan budidaya Cabai, yaitu kutu daun aphid. Kata kunci:  cabai., OPT., komoditi.
Karakter Morfologi Necrobia spp. (Coleoptera ; Cleridae) Pada Beberapa Jenis Bahan Simpanan Ni Made Riska Dewi; Jusuf . Manueke; Caroulus S. Rante; Elisabeth R.M. Meray
COCOS Vol. 2 No. 3 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i3.1482

Abstract

ABSTRACTThe morphological and behavioral characters indicate the identity of the type or species of insects and closely related to the selection and determination of the type of insect food. This study aimed to see differences in morphological characters Necrobia spp. on some kinds of deposits. It is hoped this research can provide information on morphological characters Necrobia spp. on some kinds of deposits. This study uses survey methods, and sampling was done by "purposive sampling" is intentionally sampling by selecting and determining the sampling site. The results showed that the morphological Necrobia spp. imago on copra, dried shrimp and fish rowa there is a difference. Morphological differences Necrobia spp. imago views of body size, body color, male and female differences. Dense population Necrobia spp. imago the highest in the kopra 33.25 individu/500gr, dried shrimp followed the 31.5 individu/500 gr, then the fish rowa 27.25 individu/500gr while the peanuts are not found Necrobia spp.
PENYEBARAN HAMA Cylas formicarius F. PADA TANAMAN UBI JALAR (Ipomea batatas L.) DI BEBERAPA KETINGGIAN TEMPAT PROPINSI SULAWESI UTARA Noritha Ahuluheluw; Odi R. Pinontoan; Caroulus S. Rante; Emmy Senewe
COCOS Vol. 2 No. 4 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i4.1633

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ABSTRACTThis study aims to determine the insect pest population C. formicarius at different altitude. The experiment was conducted in several sweet potato plants centers in the Sinisir Village District of Modoinding South Minahasa Regency, Woloan Village 1 District of Central Tomohon, City of Tomohon, and Sumarayar Village District of Langowan Minahasa regency. The study was conducted from June to December 2012. The things that observed in this study were the number of larvae founded in sweet potato tubers are attacked by pests C. formicarius.The results showed that the average population of the pest C. highest formicarius found sequentially in the Village Sinisir, Sumarayar and Woloan 1, ie 23.0%, 10.0% and 6.8%. Chi-square analysis results as indicating a relationship between altitude and pest population C. formicarius. This is indicated by the value of its asymp sig 0.521 greater than 0.05.Keyword: Cylas formicarius F., Ipomea batatas L. Ubi Jalar, Desa Sinisir, Desa Sumarayar dan Desa Woloan 1
INSIDENSI DAN SEVERITAS PENYAKIT BERCAK DAUN PADA TANAMAN KACANG TANAH DI DESA LOWIAN DAN LOWIAN SATU KECAMATAN MAESAAN KABUPATEN MINAHASA SELATAN Sammy S.N. Rori; Guntur S.J. Manengkey; Christina L. Salaki; Caroulus S. Rante
COCOS Vol. 4 No. 6 (2014)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v4i6.4843

Abstract

ABSTRACTSammy Sem Niclas Rori. Incidence and Severity of Leaf Spot Disease on Peanut Plants in the Lowian and Lowian One Village, Subdistrict Maesaan, District of South Minahasa. Under Guidence Ir Guntur S.J. Manengkey, MP as chaiman, Prof. Dr. Ir Christina L. Salaki, MS and Ir. Caroulus S. Rante, MS as member.This study aimed to determine the incidence and severity of leaf spot diseases on peanut plants. The experiment was conducted in the Lowian and Lowian One, Maesaan the District of South Minahasa Regency. The duration of the study which lasted for four months from September to December 2013. Research field using survey methods that further observation and communication with the peanut farmer. Furthermore, the distribution plots five sample plots in two different villages to be observed regarding the incidence and severity of disease caused by the cause of the peanut plant. In the laboratory microscopic observation of the shape of conidiophores of the fungus causes leaf spot disease. Things were observed in this study are: (i) symptoms of infected plants leaf spot disease-causing pathogens, (ii) the incidence and severity of disease. Observations in the field showed that the symptoms appear on peanut plants after infection by a disease that causes patches of chlorosis appear later developed into necrosis with an irregular round shape up. This phenomenon is located on the lower surface of the leaves and the leaves, leaf spot color ranging from light brown to brown or yellow halo blackish necrosis.Keywords: incidence, severity, leaf spot disease