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PEMANFAATAN EKSTRAK BIJI Barringtonia asiatica L. UNTUK PENGENDALIAN KEONG MAS PADA TANAMAN PADI DI DESA POPONTOLEN KECAMATAN TUMPAAN KABUPATEN MINAHASA SELATAN ., MARGONO; Manueke, Jusuf; Mamahit, Juliet M.E.; Rante, Caroulus S.
COCOS Vol 4, No 6 (2014)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v4i6.4845

Abstract

ABSTRACTMargono. Use of seed extract Barringtonia asiatica L. to control golden snail in rice plants at village Popontolen, subdistrict Tumpaan, district Minahasa Selatan. Under Guidence Dr Ir Jusuf Manueke, MP as chaiman, Dr. Ir. Juliet M.E. Mamahit, M.Si and Ir. Caroulus S. Rante, MS as member.The study aimed to determine the effect of seed extract Bitung , B. asiatica against golden snail mortality. The experiment was conducted in the village of popontolen, subdistrict Tumpaan, Minahasa Selatan Regency. The duration of less than six months of the study, which lasted from August 2013 until January 2014. Research using experimental methods with Complete Randomized Design (CRD) consisting of four treatments and three replications. The treatment used is the concentration of seed extract Bitung 0% (control), 10%, 20% and 30%. Observations death snails performed 6, 12, 24, 30, 42, 54 and 66 hours after application.Symptoms begin with snails death marked the release of mucus from the surface of the body and the body slowly over time regardless of the shells. The observation of 6 hours after the application has been found dead snails in the treatment of Bitung seed extract with a concentration of 20 % and 30 % , ie respectively 14.31% and 28.23%. In observation 12 hours after application, the third seed extract concentration and Bitung (10%, 20% and 30%) had deadly snails above 80.00%. Therefore the use of seed extract B. asiatica with a concentration of 10% can already be used to control snails in rice plants.Keywords: Barringtonia asiatica, golden snail, Minahasa Selatan
BIOLOGI DAN DEMOGRAFI TUNGAU MERAH Tetranychus spp. (Acari: Tetranychidae) PADA TANAMAN KEDELAI Mamahit, Juliet M.E.
EUGENIA Vol 17, No 2 (2011)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.17.2.2011.3534

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ABSTRACT   Red spider mite Tetranychus spp. are pest on several ornament and food plant. The objectives of this research were to study biology and demography Tetranychus spp. on soybean in condition laboratory. A piece of soybean leaf measures 3 cm2 at place above cotton in petridis. Above the leaf were put a pair red spider mite to watch the biology of mite.  The research of demography of red spider mite was done observation in one hundred egg that used to come from age class same (cohort). The observation was done every day until the egg become to adult. The result showed that the mean of fecundity of red spider mite were 54.16 egg. The total life time of female 13.28 day and sex ratio 1:1.5. The intrinsic rate of increase the population were 0.253 individual per day, the discrete daily growth rate were, 1.28 individual/day, the net reproduction rate were 25.515 individual/female/generation. The generation time were 13.567 days. The stable population of Tetranychus spp. in laboratory were 67.2% egg, 24.6 nymph and 8.2% adult. The intrinsic birth and death rate were 0.3 and 0.05 individual/female/day. Key words: Tetranychus spp., Demography, Soybean
JENIS DAN POPULASI SERANGGA DI AREAL TANAMAN NENAS (Ananas Comosus (L.) Merr.) KECAMATAN PASSI BARAT KABUPATEN BOLAANG MONGONDOW Pulukadang, Slamet; Mamahit, Juliet M.E.; Dien, Moulwy F.; Manengkey, Guntur S.J.
COCOS Vol 4, No 6 (2014)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v4i6.4844

Abstract

ABSTRACTThis study aims to determine the insect types and populations at the areas of Pineapple plants near housing ecosystems and near forest ecosystems. The experiment was conducted in centers of Pineapple plantation in the Mongkonai and Lobong village District of Bolaang Mongondow and at the Laboratory of Entomology and Plant Pests UNSRAT Faculty of Agriculture for five months from July to December. insect Observation on pineapple plants is done by using the method of trapping wells (pithfall) on generative plant and samples insects taken three times. The results showed that there are four associated insect Order on the areas of Pineapple plants near housing ecosystems are: Order Orthoptera (Family Acrididae, Gryllidae); Order Coleoptera (Family Scolytidae, Scarabaiedae); Order Diptera (Family Drosophilidae, Bombyliidae); and the Order Hymenoptera (Family Formicidae), while on the area of Pineapple planting near the forest ecosystem there are five insects Order are :: Order Orthoptera (Family Gryllidae, Acrididae, and Blattidae); Order Coleoptera (Family Scarabaeidae, Scolytidae, Cicindelidae, Crysomelidae, and Alleculidae); Order Diptera (Family Drosophilidae, Bombyliidae, and Tachinidae); Order Hymenoptera (Family Formicidae); and the Order Lepidoptera (Family Pyralidae). The results also obtain the number of insects found in varying amounts each Family. The number of insects found on average ranges from 2-423 insect.Key words : the insect types and populations, Pineapple plants
INOVASI TEKNIK PENGENDALIAN HAMA YANG RAMAH LINGKUNGAN PADA TANAMAN KRISAN Mamahit, Juliet M. Eva; Manueke, Jusuf; Montong, Vivi B.
JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI Vol 5, No 2 (2018)
Publisher : JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI

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Abstract

Kelurahan Kakaskasen II Kecamatan Tomohon Timur. merupakan sentra budidaya krisan di Tohohon khususnya dan Sulawesi pada umumnya. Tujuan kegiatan ini akan dihasilkan petanipetani yang berpotensi untuk menjadi pelopor dalam pemanfaatan potensi sumber daya alami (SDA) untuk pengendalian yang ramah lingkunga terhadap hama pada tanaman krisan. Transfet Iptek seperti pemanfaatan musuh alami yang ada seperti parasitoid, predator dan patogen untuk pengendalian OPT (organisme pengganggu tanaman krisan). Beberapa jenis hama utama tanaman krisan antara lain: kutu daun Aphid sp, tungau Tetranichus sp. Trips sp dan penyakit karat dan busuk akar Phytophtora sp., dan embun jelaga Oidium sp. Upaya perlindungan tanaman terhadap hama tanaman krisan yang ramah lingkungan seperti pemanfaaan sumber daya alam berupa tanaman yang dapat dijadikan bahan insektisida nabati seperti Buah Bitung dan Buah Lanta, sereh, kemangi serta tanaman yang ada di sekitar petani ternyata merupakan inovasi bagi petani dalam pengaturan populasi hama krisan. Teknologi pengendalian hama yang ramah lingkungan sangat diperlukan bagi masyarakat tani, untuk mengurangi dampak penggunaan pestisida yang berlebihan. Manfaat lainnnya dari penerapan teknologi yang ramah lingkungan yaitu : keragaman hayati tetap lestari, musuh alami bekerja maksimal, biaya produksi dapat ditekan, keamanan dan keselamatan petani terjamin, dan produktifitas krisan meningkat._________________________________________________________________Kata kunci : tanaman krisan, insektisida nabati, parasitoid, predator
JENIS DAN POPULASI SERANGGA HAMA YANG BERASOSIASI PADA TANAMAN KENTANG (SOLANUM TUBEROSUM L) DI KECAMATAN MODOINDING Bororing, Audy R.; Mamahit, Juliet M.E.; Kandowangko, Daisy S.; Wanta, Noni N.
COCOS Vol 6, No 6 (2015)
Publisher : COCOS

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ABSTRACTThe research aims to find out about the type of insect pests population in potato plants Solamun tuberosum L. in Modoinding, South Minahasa. The research was conducted on the potato plants in Modoinding, South Minahasa. The research was carried out by using the survey method on potato in Modoinding's villages, South Minahasa, such as Palelon Village, Makaaroyen Village, and Lineleyan Village. The sampling was carried out with a diagonal incision method that established of five sub-plot that is on the corner and the middle of the sampling sites. The sampling was done by using insect nets that swung above the potato crop for ten times the double swing. The netted insects are immediately put into the "killing bottle" then collected in 70% alcohol to be identified. Identifying the type of insect pests is done by using the facilities of the Entomology and Pest Plant Laboratory, Faculty of Agriculture, UNSRAT. The results of the research of the associated pests on potato was found about eight kinds of insect pests, such as Empoasca sp. 109.03, Drosophila sp. 37.03, Nesidiocoris sp. 34.11, Lirionyza sp. 10.72, Lygus sp. 4.47, Phthorimaea sp. 2.97, Antractomorpha sp. 1.61, and Epilachna sp. 0.69. The average of the highest populations of insect pests are found in Makaaroyen Village with 37.99, whereas in Palelon Village with 22.79, and the lowest is in rural Lineleyan Village with 14,49.Keywords: Population, Pest, Potato
PENGGUNAAN BEBERAPA JENIS PERANGKAP DENGAN FEROMON TERHADAP KUMBANG KELAPA (ORYCTES RHINOCEROS L.) (COLEOPTERA : SCARABAEIDAE) Supit, Marco M.; Tarore, Dantje; Mamahit, Juliet M.E.; Kaligis, James B.
COCOS Vol 5, No 2 (2014)
Publisher : COCOS

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ABSTRACKCoconut plant (Cocos nucifera L) is a multifunction plant or a plant that has a high value of economy. In every part of the coconut plant can be use for every people needs because almost in every part of plant such as: the trunk, root, leafs and the fruits can be use for the everyday needs. Pest is one of the inhibitor factor in the production of coconut. The purpose of this research is to know the use some kind of traps with pheromone to the coconut beetle O. rhinoceros. This research is held in four different villages Kima Atas, Mapanget, Kayuwatu and Paniki, since last June until September 2013. This research use four different kinds of traps: trap A, trap B, trap C and trap D and in every inside trap there is a pheromone with the same dosage placed in four location were in every location there are four kinds of traps. The materials and the tools the we use in this research is sintetic pheromone for O. rhinoceros (ethyl-4-mathyloctanoata), four kinds of trap from Balit Palma, knife. machete, container, marker, label, camera and stationery. The result of this research shows that the largest amount of O. rhinoceros is found in trap B (126.0 insects),then trap C (30.0 insect), trap A (24.0 insects), and the lowest is found in trap D (15.0 insect), and base on the gender, female (111 insects) male (84 insect).Keywords: Coconut, O. rhinoceros, Pheromone, Trap
POPULASI PARACOCCUS MARGINATUS WILLIAMS & GRANARA DE WILLINK PADA TANAMAN PEPAYA VARIETAS THAILAND DAN VARIETAS LOKAL DI KECAMATAN DIMEMBE KABUPATEN MINAHASA UTARA ANNA MONICA MANGARE1 Mangare, Anna Monica; Mamahit, Juliet M.E.; Memah, Ventje
COCOS Vol 7, No 5 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v7i5.14057

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ABSTRACTPapaya is a plant widely cultivated in Indonesia. One part of the plant that is oftenconsumed by people is the fruit. In Indonesia recently emerging new pest of papaya plants,the papaya mealybug Paracoccus marginatus. This study aims to determine the populationP. marginatus in thailand papaya fruit varieties and local varieties. The experiment wasconducted in three villages in the district Dimembe North Minahasa regency. Implementationof the study lasted for six months, namely from March to September 2016. This study used asurvey method in three locations that have been defined for the sampling, namely Matungkasvillage, Laikit and Dimembe. Each village selected three planting locations Thailand andlocal papaya varieties. Paerts of plants observed is the fruit. The results showed that thehighest population of mealybug P. marginatus found in papaya varieties Matungkas Thailandvillage, 49,66 grains egg, nymph 557,00 individual, 8,66 imago male individual and femaleimago 138,33 individual. Furthermore, the population in the village Laikit, namely 36,33grains egg, nymph 635,33 individual, 1,00 imago male individual and female imago 40,66individual. The next lowest is in the mralybug population Dimembe with an average of148,66 grains egg, nymph 412,00 individual, the individual 4,66 imago male and femaleimago 58,66 individually, while the local varieties found in the highest population Laikitvillage with an average of 318,66 nymph individual, and female imago 20,33 individual. Thevillage Matungkas second highest with an average of 55,00 grains egg, nymph 214,00individual, 1,00 imago male individual and female imago 40,66 individual. FurthermoreDimembe village which is the lowest population, seen from an egg stadia grains 36,00,214,33 nymph individual, and female imago 38,33 stadia individual.Keyword : Population, Papaya, Paracoccus marginatus.
PENGENDALIAN HAMA TERPADU TANAMAN HIAS DI DESA KAKASKASEN KOTA TOMOHON (JENIS-JENIS HAMA PADA TANAMAN KRISAN DI DESA KAKASKASEN KOTA TOMOHON) Mamahit, Juliet M. E.; Manueke, Jusuf
JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI Vol 3, No 1 (2016)
Publisher : JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI

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Abstract

Tanaman krisan merupakan salah satu tanaman hias yang sudah dikembangkan oleh petani di daerah Kakaskasen Kota Tomohon. Serangga hama menjadi salah satu penghambat dalam upaya meningkatkan produksi tanaman potong bunga krisan. Banyak petani belum memahami jenis-jenis hama yang ada di pertanaman krisan. Penelitian ini bertujuan untuk untuk mengidentifikasi jenis-jenis hama yang menyerang tanaman krisan di desa Kakaskasen II Kota Tomohon dan untuk mengamati gejala serangan hama pada tanaman krisan. Hasil penelitian menunjukkan terdapat tiga spesies utama hama yang menyerang krisan yaitu : Liriomyza spp., Thrips spp. dan Aphis spp. Gejala serangan Liriomyza adanya gejala gorokan larva yaitu : terowongan dalam daun, melingkar-lingkar di dalam epidermis daun. Hama Thrips spp. memperlihatkan gejala pada bunga yang terserang menunjukkan gejala seperti garis-garis yang memanjang yang berwarna coklat keperakanyang merupakan akibat dari alat mulut menusuk mengisap dari hama tersebut yang mengisap pada bunga. Gejala serangan Aphis sp. yaitu tanaman menjadi tumbuh agak kerdil, warna daun berubah menjadi kekuningan, dan tidak normal.Pengendalian hama tersebut di atas dapat dilakukan dengan menggunakan pengendalian hama terpadu antara lain : monitoring keberadaan hama, penggunaan varietas resisten, mengeluarkan tanaman atau bagian tanaman yang terserang, penggunaan perangkap kuning berperekat, memanfaatkan musuh alami dan pengendalian kimia dengan dosis yang sesuai.
PADAT POPULASI DAN PERSENTASE SERANGAN Paracoccus marginatus Wiliams and Granara de Willink (HEMIPTERA: PSEUDOCOCCIDAE) PADA PERTANAMAN PEPAYA MONOKULTUR DAN POLIKULTUR DI KECAMATAN DIMEMBE KABUPATEN MINAHASA UTARA Lolong, Riedel; Mamahit, Juliet M.E.; Pinontoan, Odi R.; Pinaria, Betsy A.N.
COCOS Vol 5, No 4 (2014)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v5i4.6229

Abstract

ABSTRACTPapaya is a fairly widely cultivated plant in Indonesia. Fruits of the plant are most commonly used for directly consumption, while the flowers and leaves use as a vegetable. Lately, there are new pests that attack papaya plants, which is papaya mealybug Paracoccus marginatus. This research aimed to find out the population and percentage of the P. marginatus attack on papaya cultivated by monoculture and polyculture. The research was conducted in District of Dimembe, North Minahasa Regency. The research was carried out for 7 months, March to September 2014. This research used a survey methods. Three villages used as sampling sites were in Matungkas Village, Laikit Village and Dimembe Village. Each village was taken three locations of papaya cultivated consisted of monoculture and polyculture. Observations percentage of the attacks mealybugs done visually by symptom. Parts of plants observed were leaf, stem, petiole and fruit.The highest population of P. marginatus found in papaya plantation monocultures in the Matungkas Village with an average of 3669,00 mealybug, followed by the population in the Village of Dimembe 3205,33 mealybug and least found in the Laikit Village with 1379,22 mealybug, while the highest population of P. marginatus in papaya plantation polyculturefound in the Matungkas Village with an average 495,67 mealybug, then in the Laikit Village with an average 423,11 mealybug and the lowest population found in the Dimembe Village with an average 314,00 mealybug. Papaya plantation in Matungkas Village was the highest location attacked and the most parts of the plant that were attacked was leaves with a percentage of 93,33% on the location of monoculture plantations and 63,33% in polyculture plantations location.Keywords: Papaya, Paracoccus marginatus, Population and Percentage of attacks
PENYEBARAN DAN TINGKAT SERANGAN KUTU PUTIH PEPAYA DI SULAWESI UTARA Anes, Nasution Suharto; Tulung, Max; Mamahit, Juliet M.E.
EUGENIA Vol 18, No 1 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.1.2012.4143

Abstract

ABSTRACT   Papaya mealybug, Paracoccus marginatus (Hemiptera: Pseudococcidae) in Indonesia was reported attacking papaya in 2008 in Bogor. In North Sulawesi reported attacked papaya in 2009 in Manado. The purpose of research to determine the level of attacks and spreading of  papaya mealybug P. marginatus in North Sulawesi. The study was conducted from December 2010 - September 2011. Dissemination papaya mealybug based on altitude in North Sulawesi, namely: Bitung, North Minahasa, Minahasa, South Minahasa, South Minahasa, Tomohon, and Manado. Papaya plants were attacked by the intensity of the attacks seen low <25%, moderate 25-50% and 50-90% by high. Samples of papaya mealybug brought in the Laboratory Pest and Entomology, Faculty of Agriculture Unsrat Manado to be identified. Results showed papaya mealybug pest infestation has spread over several papaya plantation in North Sulawesi. Papaya mealybug attack papaya covering several areas in the lowlands (<200 m asl) to high area (800 m asl). Spreading pf papaya mealybug attack papaya plantation of Minahasa, Manado, Bitung, Tomohon, North Minahasa and South East Minahasa. Attack rates range of mealbug from low, moderate, and high. Keyword : Spreading, intensity attack, Paracoccus marginatus ABSTRAK   Kutu putih pepaya Paracoccus marginatus (Hemiptera: Pseudococcidae) di Indonesia dilaporkan menyerang pepaya tahun 2008 di Bogor. Di  Sulawesi Utara dilaporkan menyerang pepaya tahun 2009 di Manado. Tujuan penelitian untuk mengetahui penyebaran dan tingkat serangan kutu putih pepaya P. marginatus di Sulawesi Utara. Penelitian dilakukan mulai Desember 2010 - September 2011. Data penyebaran kutu putih pepaya didasarkan pada ketinggian tempat di Sulawesi Utara, yaitu : Bitung, Minahasa Utara, Minahasa, Minahasa Tenggara, Minahasa Selatan, Tomohon, dan  Manado. Tanaman pepaya yang terserang dilihat intensitas serangan yaitu serangan ringan < 25 %, sedang  25-50 % dan berat 50-90 %. Sampel tanaman yang terserang  kutu putih pepaya dan musuh alami dibawa di laboratorium Hama dan Entomologi, Fakultas Pertanian Unsrat Manado untuk diidentifikasi. Hasil penelitian menunjukkan hama kutu putih pepaya telah tersebar di beberapa perkebunan  pepaya di Sulawesi Utara. Serangan kutu putih pepaya meliputi beberapa daerah di dataran rendah (< 200 m dpl) sampai di daerah tinggi (800 m dpl). Eugenia Volume 18 No. 1  April 2012 Kata Kunci : Penyebaran, intensitas serangan, Paracoccus marginatus