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All Journal Budapest International Research in Exact Sciences (BirEx Journal) Jurnal Agroekoteknologi Terapan Britain International of Exact Sciences Journal (BIoEx Journal) COCOS
Noni N. Wanta
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Environmental Science Mathematics Medicine & Pharmacology Physics Transportation

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Journal : COCOS

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Inventarisasi Parasitoid Hama Tanaman Padi Sawah di Kabupaten Minahasa Utara Ariyane O.S. Siwu; Jantje Pelealu; Christina L. Salaki; Noni N. Wanta
COCOS Vol. 2 No. 3 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i3.1513

Abstract

ABSTRACTInsect parasitoids are small or as large as the host to parasite and off the host. The research was conducted in lowland rice planting area in North Minahasa regency. Research purposes to determine the type and parasitoid populations on rice crop pests in sub Kauditan, Talawaan, and Dimembe. The research was done by sweeping using insect net swing of 20 times on the location of paddy rice crops, sampling is done three times at intervals of two weeks representing all phases of rice growth was identified in the laboratory and then analyzed descriptively. The results showed that the insect parasitoid found was of the Order Hymenoptera and Diptera and in different types and each sub-population, namely, District Kauditan there are 19 types, 19 types Talawaan, and Dimembe13 types. Parasitoids Telenomus spp. average of 6.5 tail in Kauditan, Dimembe 4.5 tail, while the tail Talawaan 3.6 Apanteles sp. average of 6.5 in sub Dimembe tail, Talawaan 6 tails, and tails Kauditan 3.8.Keywords :Parasitoids, Hymenoptera, Diptera, Rice plants
JENIS DAN POPULASI SERANGGA HAMA YANG BERASOSIASI PADA TANAMAN KENTANG (Solanum tuberosum L) DI KECAMATAN MODOINDING Audy R. Bororing; Juliet M.E. Mamahit; Daisy S. Kandowangko; Noni N. Wanta
COCOS Vol. 6 No. 6 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.8041

Abstract

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
POPULASI LARVA Plutella xylostella Linn. PADA TANAMAN KUBIS DI KELURAHAN PASLATEN KECAMATAN TOMOHON TIMUR KOTA TOMOHON Wailan M. Pandeirot; Noni N. Wanta; Betsy A.N. Pinaria
COCOS Vol. 6 No. 10 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i10.8229

Abstract

ABSTRACT This study aims to determine the pest populations of P. xylostella in cabbage plants in the Paslaten village East Tomohon Tomohon sub district. This research was carried out by making a demonstration plot with three sub-plots. The results showed that the population of P. xylostella larval instars three and four on cabbage in the Village Paslaten East Tomohon Tomohon sub district in the rainy season ranged from 0 to 0.73 individual crop. P. xylostella larvae population is low from the first to the last observation. The low pest populations of P. xylostella at the time of the research is influenced by three factors: the first factor of climate especially rainfall with high intensity, the second factor D. eucerophaga parasitism natural enemies, and the third is a competition looking for food with other species of pests. Keywords: population, P. xylostella, Cabbage
KERAGAMAN JENIS SERANGGA PADA PERTANAMAN STROBERI DI DESA RURUKAN KOTA TOMOHON Estu N. Soeratman; Noni N. Wanta; Emmy Senewe; Robert W. Tairas
COCOS Vol. 6 No. 16 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i16.9589

Abstract

ABSTRACT This study aims to determine the diversity of insects associated to the cultivation of strawberries in Rurukan village of Tomohon. The sampling method used in this study is a relative method. Insect samples obtained from the arrest through some of pit fall traps and yellow sticky traps, were collected, counted and categorized to be identified. The diversity values calculated using the Shannon-Wiener diversity index (H) and Pielou evenness index (E). The results showed that insects caught in pit fall traps there are four of the Order is the order Hymenoptera, Coleoptera, Diptera and Orthoptera while insects found in yellow sticky traps consists of seven orders of 26 families and 27 species of insects. The seventh order of insects found are of the order Thysanoptera, Diptera, Hymenoptera, Coleoptera, Homoptera. Hemiptera, and Lepidoptera. Insects dominated by the order Diptera comprising 11 species (41%), Hymenoptera 10 species (37%), Hemiptera 2 types (7%) and the order Homoptera, Thysanoptera and Lepidoptera each 1 species (4%). The diversity index value of insects in the first and second observation is H '= 2.46 and H' = 2,45, or in other words that environmental conditions on strawberry plants in the village Rurukan in a state of being. While the value of the Evenness index (E ') to the first observation is E' = 0.79 and the second E '= 0.75. The results showed that the community of insects found on strawberry plants in rural areas Rurukan in stable condition with insects uniform
POPULASI HAMA WERENG HIJAU (Nephotettix spp.) DAN WERENG PUNGGUNG PUTIH (Sogatella furcifera Horv.) PADA TANAMAN PADI SAWAH DI KECAMATAN SONDER KABUPATEN MINAHASA Magdalena M. Kesek; Jantje Pelealu; Noni N. Wanta; Juliet M.E. Mamahit
COCOS Vol. 8 No. 1 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v7i1.11325

Abstract

ABSTRACT  The study aims to determine the abundance of green leafhopper (Nephotettix spp.) pest populations and white back planthopper (Sogatella furcifera Horv.) in rice in the District Sonder.  This research was conducted in two villages of Tincep and Kauneran during the six months from November 2014 through April 2015.  This  study used a survey method in rice crops in two villages. Every village observations determined three plots were divided into five subplots of observations for sampling. Research shows that green leafhopper populations in rice cultivation is  highest in the third observation, in the tincep village is 10,40 tail and village kauneran 9,33 tail. Lowest population occurred when the first observation in the Tincep village 5,06 tail and Kauneran 4,13 tail. Whereas the population of white back planthopper in rice crops in highest in the first observation that, in the village of kauneran 6,26 tail and in village Tincep 6,20 tail. Lowest population occurs on the last observation is at kauneran villages 2,20 tail and Tincep village 1,80 tail. Basides  green leafhopper and white back planthopper found also other insects both as pests and natural enemies.
KERUSAKAN BIJI KAKAO OLEH HAMA PENGGEREK BUAH (Conopomorpha cramerella Snellen) PADA PERTANAMAN KAKAO DI DESA MUNTOI DAN SOLIMANDUNGAN Saida F. Azim; Daisy S. Kandowangko; Noni N. Wanta
COCOS Vol. 7 No. 2 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v7i2.11972

Abstract

ABSTRACTThe research aimed to damage cacao seed of is cacao moth (C. cramerella Snellen) was carried plants cocoa in the village Muntoi and village Solimandungan.The research was carried two village : (1) Muntoi (2) Solimandungan. To find out damage cacao seed of cacao moth attack to do is cacao fruit fission with figuring quantity damaged seed, and quantity healthy seed. quantity cacao fruit gaze have a lot of 25 fruit from to each sample location and by dividing 4 repetetion with interval harvesting 1 month that starts from November 2015 to February 2016. The research in use purposive sampling (sampling was by randomly) with take fruit is ripeness with characterized shape of the fruit is yellow. Precentage of damaged seed cacao of is cacao moth in the village Muntoi 18,25 % and village Solimandungan 50,20%. Damaged seed was to fruit cacao to plants cacao in the village Muntoi and village Solimandungan because have a controller by pruning and garden sanitation.Keywords : C. cramerella, Cacao moth, Cacao.
SERANGAN HAMA Crocidolomia pavonana F. (LEPIDOPTERA: PYRALIDAE) PADA PERTANAMAN KUBIS DI RURUKAN, PASLATEN, DAN KUMELEMBUAI KOTA TOMOHON Rulin Datau; James B. Kaligis; Noni N. Wanta
COCOS Vol. 10 No. 6 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i4.24167

Abstract

ABSTRACT  This study aims to determine the percentage of attacks from caterpillar pest (C. pavonana) on cabbage plants in Rurukan, Paslaten and Kumelembuai, Tomohon City. The results of this study are expected to provide information about the attack of caterpillar pest (C. pavonana) on cabbage plants (B. oleracea) in Rurukan, Paslaten and Kumelembuai, Tomohon City.  The research was carried out in Rurukan, Paslaten and Kumelembuai, Tomohon City which lasted for 4 (four) months, namely from March 2019 to June 2019. The research was conducted in a survey using the purporsive sampling method. In cabbage plants, plants were directly observed which showed symptoms of being attacked. Cabbage plants are considered attacked by caterpillars when they show symptoms, although larvae are not found. Sampling is done 6 (six) times at intervals of 1 (one) week.  The results showed that the attack of caterpillar pest, C. pavonana in Paslaten, Rurukan and Kumelembuai showed varied attacks. The highest attack of C. pavonana was found in Rurukan, which was 50.58 percent and followed sequentially in Kumelembuai and Paslaten, which amounted to 31.58 percent and 23.75 percent.  Keywords :  Cabbage plant, Crocidolomia pavonana, Tomohon.
PERSENTASE SERANGAN HAMA Scirpophaga innotata Wlk PADA BEBERAPA VARIETAS TANAMAN PADI SAWAH DI DESA MOPUYA SELATAN KABUPATEN BOLAANG MONGONDOW Virginia V. Manoppo; Max Tulung; Noni N. Wanta
COCOS Vol. 14 No. 3 (2022): EDISI JULI-SEPTEMBER 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v8i8.37325

Abstract

ABSTRACT Rice (Oryza sativa L.) is one of the most important food crops for the Indonesian population because it is a high-carbohydrate staple food. White rice stem borer (Scirpophaga innotata Wlk) is one of the plant pest organisms (OPT) that attacks lowland rice plants in Indonesia and has caused significant losses both qualitatively and quantitatively because this pest attacks rice plants at all stages of plant growth. from nursery to harvest. This study aims to determine the percentage of S. innotata attacks on several varieties of rice plants in Mopuya Selatan Village, Bolaang Mongondow Regency. The research method used is a survey method in the rice field area in the generative phase in one village with three different locations measuring one (1) hectare each and each location making five (5) sub-plots measuring 10 meters x 20 meters, In each subplot 150 clumps of plants were taken using a systematic random method (zigzag). Based on the results of the research conducted, the average percentage of S. innotata pests on the Serayu variety was 41.5%, the Siam-Siam variety was 43.0%, and the Inpari-9 variety was 38.2%. Based on the research that has been done, it can be concluded that the highest percentage of S. innotata attack on the Siam-siam variety was 43.0%, followed by the Serayu variety at 41.5%, and the Inpari-9 variety at 38.2%. In accordance with the results of the study, it can be suggested to do a pattern of varietal rotation to reduce the percentage of S. innotata pests in order to get maximum yields. Key words : Rice paddy (Oryza sativa L.) and Scirpophaga innotata.
Co-Authors Ariyane O.S. Siwu Audy R. Bororing Audy R. Bororing, Audy R. Betsy A.N. Pinaria Caroulus S. Rante Christina Salaki Daisy S. Kandowangko Denny Saroinsong Emmy Senewe Estu N. Soeratman Estu N. Soeratman, Estu N. Guntur Manengkey Herianto I. Kojong James B. Kaligis Jantje Pelealu Jantje Pelealu Juliet M.E. Mamahit Juliet M.E. Mamahit Magdalena M. Kesek Max Tulung Maxi Lengkong Moulwy F. Dien Paruntu, Masye B. Robert W. Tairas Robert W. Tairas, Robert W. Rulin Datau Saida F. Azim Saida F. Azim, Saida F. Sherlij Dumalang Stela F. Pratiwi Turang , Defly A. S. Virginia V. Manoppo Wailan M. Pandeirot Wailan M. Pandeirot, Wailan M.