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Max M. Ratulangi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Physics Transportation

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DIAGNOSIS DAN INSIDENSI PENYAKIT ANTRAKNOSA PADA BEBERAPA VARIETAS TANAMAN CABE DI KOTA BITUNG DAN KABUPATEN MINAHASA Max M. Ratulangi; Dantje Terno Sembel; Caroulus S. Rante; Moulwy F. Dien; E. R Meray; M. Hammig; M. Shepard; G. Carner; E. Benson
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
PENGGUNAAN Trichoderma sp. DAN PGPR UNTUK MENGENDALIKAN PENYAKIT PADA TANAMAN STRAWBERRY DI RURUKAN (MAHAWU) Caroulus S. Rante; Elisabet R.M. Meray; Daisy S. Kandowangko; Max M. Ratulangi; Moulwy F. Dien; Dantje T. Sembel
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

Abstract

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
Co-Authors Aprilia N. Rares Aprilia N. Rares, Aprilia N. Bernadeth V. Montong Caroulus S. Rante Daisy S. Kandowangko Dantje T. Sembel Dantje Terno Sembel E. Benson E. R Meray Elisabet R.M. Meray Elisabeth R.M. Meray Elisca A. Bullele Elisca A. Bullele, Elisca A. Emmy Senewe Frida Towaki G. Carner Guntur S.J. Manengkey Henny V.G. Makal Ibnu Khairul Kalrengsang, Sandra O. K. Livita C. Tamuntuan Livita C. Tamuntuan, Livita C. M. Hammig M. Shepard Max Tulung Montong, Bernadeth V. Moulwy F. Dien Muhammad Fadly Syam Sandra O. K. Kalrengsang Vivi B. Montong Yunita S. Najoan Yunita S. Najoan, Yunita S.