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Vivi B. Montong
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Agriculture, Biological Sciences & Forestry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Health Professions Medicine & Pharmacology Public Health Other

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UJI ANTAGONISME Trichoderma sp. TERHADAP Colletotrichum capsici PENYEBAB PENYAKIT ANTRAKNOSA PADA CABAI KERITING SECARA In Vitro Ibnu Khairul; Vivi B. Montong; Max M. Ratulangi
COCOS Vol. 9 No. 6 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i2.20109

Abstract

ABSTRACT  Colletotrichum capsici is one of the fungi that can cause anthracnose disease in chili plants. Trichoderma sp. is an antagonistic fungus that has the potential to control anthracnose disease. This study aims to determine the growth and development of the fungus Trichoderma sp. and Colletotrichum capsici pathogenic fungi as well as the percentage of inhibition of Trichoderma sp. fungus. against the Colletotrichum capsici fungus. Testing using dual culture method on Potato Dextrose Agar media to know the percentage of inhibition.The results of this study showed that the colony of Trichoderma sp. able to inhibit the growth of Colletotrichum capsici fungal colonies with an average percentage of 2.82% inhibition on the third day after inoculation; 70.28% on the fourth day after inoculation and 100% on the fifth day after inoculation.  Keywords: Percentage, Colletotrichum capsici, Anthracnose
UJI ANTAGONISME Trichoderma spp. TERHADAP Phytophthora palmivora PENYEBAB PENYAKIT GUGUR BUAH KELAPA Ryan A. Kaunang; Berty H. Assa; Vivi B. Montong
COCOS Vol. 10 No. 1 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i3.20865

Abstract

ABSTRACT  The deciduous fall of coconut fruit is caused by Phytophthora palmivora fungus.  This study aims to determine the ability of Trichoderma spp. Inhibiting P. palmivora on PDA media in vitro.  Research method used experimentally, that is antagonism test with method of dual culture method. P. palmivora in isolation from coconut fruit showing symptoms of the disease. The results showed that the antagonistic fungus Trichoderma spp could suppress the growth and development of the P. palmivora fungus, the average percentage of inhibition of the antagonistic fungus Trichoderma spp. of the pathogenic fungi of P. palmivora in vitro on PDA media on the fifth day is (100%) for simultaneously inoculated antagonism test and (40,62%) for antagonism test wherein antagonistic inoculation 4 days after pathogen. On the seventh day, the average percentage of inhibition of the antagonistic fungus Trichoderma spp. of the pathogenic fungus P. palmivora is (100%) for both treatments of this antagonism test.  Key Words: Coconut Nut Fall, Phytophthora palmivora, Antagonist
PERSENTASE SERANGAN HAMA KUMBANG (Oryctes rhinoceros L.) PADA TANAMAN KELAPA(Cocos nucifera L.) DI KECAMATAN TOMBATU KABUPATEN MINAHASA TENGGARA Erwin Nando Kojong; Vivi B. Montong; James B. Kaligis; Diane D. Pioh
COCOS Vol. 11 No. 3 (2019): EDISI JULI-SEPTEMBER 2019
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v3i3.28746

Abstract

ABSTRACT Cocos plants ( cocos nucufera L ) are versatile plants, because almost all parts of these plants can be processed and utilized by humans. The production of coconut is very important for human along with the amound off production that always fluctuates from years. Another factor that can inhibiti the growth of coconut is a pest attack. This research aims to determine the percentage of Oryctes rhinoceros L (coconut rhinoceros beetle) attacks on coconut ( Cocos nucifera L.) in Tombatu Subdistrict, Southeast Minahasa District which is housed in five gardens.( polong gardens, Bangataas gardens, Derel gardens, Bendo gardens and Linowit gardens, during three months start from October to December 2019. This research uses survey method or direct observation at the location. The percentage of O. rhinoceros attack in the first to fifth observation each farm was as follows: (1) Bangataas garden 42,52%, (2) Polong garden 32.51%, and (3) Linowit garden 15.46%, (4) Bendo garden 14,32% and (5) Derel garden 13,8%. Keywords: percentage, O rhinoceros, Coconut
PENGENDALIAN HAMA WALANG SANGIT (Leptocorisa acuta Thunb.) DENGAN MENGGUNAKAN PERANGKAP BANGKAI IKAN DAN KEONG PADA TANAMAN PADI Ruth Kristivoni Buida; Daisy Kandowangko; Vivi B. Montong
COCOS Vol. 14 No. 2 (2022): EDISI APRIL-JUNI 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v7i7.36419

Abstract

BSTRACT Walang sangit is an important pest in rice plants. Because of the attack of walang sangit on rice crops in the flowering phase, farmers suffer losses because the grain of rice does not produce. The attack of pests that are high enough to cause rice crops to fail to harvest or reduce the quality of grain and the quantity of production. To prevent the attack of walang sangit on rice plants, it is necessary to control environmentally friendly walang sangit pests to suppress the impact of pesticide use by finding alternative substitutes, namely with carcass smell extracts, in this case using fish and conch carcasses. The purpose of this study is to find out the extent to which fish and conch carcasse traps can be used for pest control in rice plants located in Kiniar Village of Tondano Subdistrict during Minahasa Regency and implementation time from March to July 2021. This study used 2 treatments, namely fish carcass traps and conch carcasses, each treatment using a carcass mass weighing 150 grams, with 10 repeats. The results showed that both of these treatments can give good results where the pest walang sangit is attracted to both traps although in the treatment of fish carcass traps are able to attract more pests walang sangit with a value of 64.9 tails, and in the trap of conch carcass 38.7 tails. The results of the test analysis of the average difference between two free samples proved that the value of thitung > ttabel, which is 4.38 > 2,101, thus the hypothesis is proved to be H0 in rejected and H1 to be accepted. Keyword : Walang Sangit, carcass smelling accretion, fish and conch carcass traps
PKM Pengendalian Hama pada Tanaman Cabai dengan Pestisida yang Ramah Lingkungan di Kelurahan Rurukan Kecamatan Tomohon Timur Vivi B. Montong; Christina L. Salaki; Frans. B. Rondonuwu; Henny V. Makal
Jurnal Lentera: Penelitian dan Pengabdian Masyarakat Vol. 6 No. 1 (2025): Jurnal Lentera: Penelitian dan Pengabdian Masyarakat
Publisher : Yayasan Bina Lentera Insan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57207/tp0drx17

Abstract

Budidaya cabai secara intensif selama puluhan tahun memunculkan dampak pestisida antara lain terjadinya penurunan produktivitas karena aplikasi pestisida sintetik secara terus-menerus mengakibatkan organisme pengganggu tanaman (OPT) menjadi resisten sehingga serangan OPT semakin meningkat. Solusi yang perlu dilakukan ialah bagaimana memberikan pengetahuan, keterampilan dan pengalaman dengan cara penyuluhan kepada petani cabai di Kelurahan Rurukan untuk mengendalikan OPT cabai dengan menggunakan strategi dan taktik pengendalian yang ramah lingkungan. Informasi dari hasil analisis sebagai berikut: (1) peserta sangat antusias mengikuti kegiatan, menyimak, merespon, dan menanggapi secara positif terhadap pemaparan materi oleh narasumber, dan (2) terjadi peningkatan pengetahuan peserta dan penguasaan materi penyuluhan, ditandai dengan 16 orang peserta yang memahami dari 20 peserta, dan terjadi kenaikan pemahaman peserta dari nilai pra kegiatan (pre-test) ke akhir kegiatan (post-test) sebesar 65%.
PKM Manfaat Jamur Antagonis bagi Peningkatan Hasil Pertanian Desa Ongkaw Dua Kecamatan Sinonsayang Kabupaten Minahasa Selatan Stella Deiby Umboh; Frans Bernhard Rondonuwu; Dwianita Conny Palar; Marnix L.D Langoy; Vivi B. Montong
Jurnal Lentera: Penelitian dan Pengabdian Masyarakat Vol. 5 No. 2 (2024): Jurnal Lentera - Penelitian dan Pengabdian Masyarakat
Publisher : Yayasan Bina Lentera Insan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57207/dqjqtr66

Abstract

Tanaman pertanian seringkali terhambat dengan adanya serangan hama dan penyakit tumbuhan. Penggunaan pestisida dalam mengendalikan hama dan penyakit tumbuhan seringkali berbahaya bagi lingkungan dan manusia. Agen pengendali hayati merupakan salah satu alternatif yang yang ramah lingkungan dan cukup efektif dalam mengendalikan penyakit tumbuhan yaitu dengan memanfaatkan mikroba antagonis. Salah satunya adalah jamur antagonis yang mempunyai kemampuan dalam menghambat perkembangan patogen tanaman. Yang menjadi faktor kelemahan yang sering dijumpai dikalangan petani yang ada di Ongkaw Dua yaitu kurangnya pengetahuan mereka tentang dampak penggunaan pestisida dan pemanfaatan pengendalian hayati dengan menggunakan jamur antagonis sebagai solusi alternatif pilihan lain dalam pengendalian organisme pengganggu tanaman pertanian. Metode yang digunakan dalam PKM ini adalah bentuk penyuluhan. Berdasarkan hasil analisis, didapati peserta yang sangat antusias mengikuti kegiatan, menyimak, merespon, dan menanggapi  secara positif terhadap pemaparan materi oleh narasumber. Selain itu pula,terjadi peningkatan pengetahuan peserta dan penguasaan akan materi penyuluhan, ditandai dengan 17 orang peserta yang memahami dari 20 peserta dan terjadi kenaikan pemahaman peserta  dari nilai pra kegiatan (pre-test) ke akhir kegiatan (post-test) sebesar 65%.
Co-Authors Berty H. Assa Christina Salaki Daisy Kandowangko Diane D. Pioh Dwianita Conny Palar Erwin Nando Kojong Frans Bernhard Rondonuwu Frans. B. Rondonuwu Henny V. Makal Ibnu Khairul James B. Kaligis Marnix L.D Langoy Max M. Ratulangi Ruth Kristivoni Buida Ryan A. Kaunang Stella Deiby Umboh