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Emmy Senewe
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Agriculture, Biological Sciences & Forestry

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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
INSIDENSI PENYAKIT BUSUK BUAH PADA TANAMAN PALA (Myristica fragrans H) DI KECAMATAN LEMBEH SELATAN ( Yunita S. Najoan; Max M. Ratulangi; Emmy Senewe
COCOS Vol. 7 No. 4 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v7i4.12595

Abstract

ABSTRACTThis research aims to study the incidence of black pod disease in plants nutmeg (Myristica fragrans H) in the district of South Lembeh for 3 months ie from January to April 2015. Laboratory studies conducted at the Laboratory of Microbiology and Plant Pathology, Faculty of Agriculture Unsrat Manado and in the field, namely in Subdistrict South Lembeh.Research in the laboratory to determine the fungal pathogen nutmeg pod disease while in the field to determine the incidence of the disease is carried out in the village Papusungan, Kelapa Dua village, village Mawali. To study the incidence of the disease by the method of survey and sampling deliberate on nutmeg experiencing symptoms of dry rot and wet rot.Dried fruit rot disease symptoms in the nutmeg that is, the fruit of pain at first seem small, round spots, the center line of approximately 0.3 cm, this part is brown and settles (concave). The results showed that the characteristic of fungal pathogens causing rot diseases dried fruit on nutmeg in District Lembeh Southern namely Stigmina myristicae, observation of this fungus directly seen in the fruit field diseased fruit rot dried and identified under a microscope. the symptoms of fruit rot disease wet first emerged at the base of the fruit, the affected part color becomes brown, spotting developments rapidly that within a few days its center line has reached 2.5 cm, fruit ill not be concave. the disease is caused by the fungus Colletotrichum gloeosporioides, this fungus konidium greenish brown, oval-shaped.The results of the study the incidence of rot diseases caused by pathogenic fungi, in the field there is a difference incidence of black pod disease caused by a fungal pathogen at different locations, highest average incidence of dried fruit rot 7.90%, and 12.27% wet rot.Key Words : Incidence, Rotten Fruit , Nutmeg
INSIDENSI PENYAKIT BUSUK HITAM PADA TANAMAN BROKOLI (Brassica oleracea var. Italica) DI TOMOHON Fei Sie Lumoly; Emmy Senewe; Guntur S.J. Manengkey
COCOS Vol. 7 No. 4 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v7i4.12868

Abstract

ABSTRACKThis study aims to determine the symptoms, and incidence of black rot in broccoli. This research was conducted at multiple centers Tomohon on planting broccoli, namely in the Village Kakaskasen, Village and Village Kinilow Paslaten. The study lasted for 3 months that is April to June 2016. The research method was conducted in two places, namely the laboratory of Microbiology and Plant Pathology, Faculty of Agriculture Unsrat Manado and in the location of planting broccoli. This study uses a survey in the field with a purposive sampling and the object of research is the broccoli plants owned by farmers. Observations were carried out six times at intervals of one week. The first observation to a third observation is the observation of the broccoli plant vegetative phase, and the fourth to sixth observation is the observation of the broccoli plant generative phase. The results of this study show early symptoms of infectious disease-causing black rot in broccoli in the vegetative phase is there are yellow spots shaped like the letter V on leaves of broccoli, the area spotting eventually dries and turns brown and then fall, patches can then be spread to all leaves and plants. In the generative phase are rotten and black color on the mass of broccoli flowers. The incidence of infection causes black rot disease in plants of broccoli in the field showed differences in incidence of the disease in each sample location. The average incidence of black rot disease infection highest in the vegetative phase is in the Village Kakaskasen is 67.0% and the lowest incidence is in the Village Kinilow namely 28.7%, while on the generative phase is Village Kakaskasen highest incidence is 44% and the lowest incidence is Kinilow Village of 16.3%
Co-Authors Aprilia N. Rares Aprilia N. Rares, Aprilia N. Betsy A.N. Pinaria Caroulus S. Rante Christina Salaki Christina Salakie, Christina Dantje Tarore Estu N. Soeratman Estu N. Soeratman, Estu N. Fei Sie Lumoly Fei Sie Lumoly, Fei Sie Feybra S. Sigarlaki Guntur Manengkey Guntur S.J. Manengkey James B. Kaligis Jantje Pelealu Jantje Pelealu Juliet E.M. Mamahit Juliet M.E. Mamahit Max M. Ratulangi Noni N. Wanta Noritha Ahuluheluw Oddi R Pinontoan Odi R. Pinontoan Redsway Maramis Rivo Manopo Robert W. Tairas Robert W. Tairas, Robert W. Selvia D. Sumual Tuldenigsri H. Gigir Tuldenigsri H. Gigir, Tuldenigsri H. Yunita S. Najoan Yunita S. Najoan, Yunita S.