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INDONESIA
EUGENIA
Published by Universitas Sam Ratulangi
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
The aims of this journal is to provide a venue for academicians, researchers and practitioners for publishing the original research articles or review articles. The scope of the articles published in this journal deal with a broad range of topics, including: Agronomi, Protection, Soil, Forestry, Agroecotecnology.
Arjuna Subject : -
Articles 2 Documents
 1 
Search results for , issue "Vol 19, No 2 (2013)" : 2 Documents clear
PENGGUNAAN INSEKTISIDA BOTANIS UNTUK MENGENDALIKAN HAMA PADA TANAMAN TOMAT Rante, C. S.; Sembel, D. T.; Meray, E. R.M.; Ratulangi, M. M.; Dien, M. F.; Kandowangko, D. S.
EUGENIA Vol 19, No 2 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.19.2.2013.7374

Abstract

ABSTRACT   The experiment was conducted in the village of Touure, Tompaso District, Minahasa regency since April to August 2013. Designed studies using randomized block design with 3 treatments, namely fruit extract Bitung (treatment A), tuba root extract (treatment B) and water (control treatment), each treatment was repeated 3 times. Results showed that that the extract of Barringtonia asiatica and Derris elliptica has a botanical insecticide to control the properties of N. tenuis. Applications B. asiatica extract and D. elliptica were not significantly different, but both are significantly different from controls. In addition to N. tenuis found several Plant Pest Organisms (OPT) that attack tomato plants including pest Liriomyza sp., leafhoppers tomatoes., black stem base diseases, leaf spot diseases and viral diseases. Key words : Botanic Insecticide, Tomato pest control ABSTRAK   Penelitian dilaksanakan di Desa Toure, Kecamatan Tompaso, Kabupaten Minahasa sejak bulan April sampai dengan Agustus 2013.  Penelitian dirancang menggunakan Rancangan Acak Kelompok dengan 3 perlakuan yaitu ekstrak buah bitung (perlakuan A), ekstrak akar tuba (perlakuan B) dan air (perlakuan kontrol) yang masing-masing perlakuan diulang sebanyak 3 kali. Hasil penelitian menunjukkan bahwa bahwa ekstrak Barringtonia asiatica dan Derris elliptica memiliki sifat insektisida botanis untuk mengendalikan N. tenuis. Aplikasi ekstrak B. asiatica dan D. elliptica tidak berbeda nyata, namun keduanya berbeda nyata dengan kontrol.  Selain N. tenuis ditemukan juga beberapa Organisme Pengganggu Tanaman (OPT) yang menyerang tanaman tomat diantaranya hama Liriomyza sp., wereng tomat., penyakit pangkal batang hitam, penyakit bercak daun dan penyakit virus. Kata kunci : Insektisida botanis, pengendalian hama tanaman tomat
VARIABILITAS GENETIK DAN HERITABILITAS KARAKTER MORFOLOGIS BEBERAPA GENOTIPE KENTANG Pangemanan, Ventje; Runtunuwu, D. S.; Pongoh, J.
EUGENIA Vol 19, No 2 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.19.2.2013.7164

Abstract

ABSTRACT This study aimed to determine the genetic variability and heritability of morphological characters of some genotypes of potato at the Seed Station in Linelean Village, Modoinding of South Minahasa Regency. The results showed that, the relatively narrow range of genotypes variance for all the characters observed. The coefficient of variance genotypes for plant height, at 14, 42 and 56 DAP (Days After Planting) was relatively narrow, whereas at 7, 21, 28, 35 and 42 DAP relatively wide. For the character of the number of leaves at 7 and 14 DAP are wide and at 21, 28, 35, 42 and 49 DAP relatively narrow. For the character of leaf area at 7 and 14 DAP were wide and at 21, 28, 35, 42 and 49 DAP relatively narrow. For the character of the number of harvest tubers per plant and weight per tuber harvest were wide. Wide sense heritability were high for all the characters observed, except for plant height at 7 and 56 DAP were classified as moderate. Keywords: genotype variance, coefficient variance of genotype and heritability ABSTRAK Penelitian ini bertujuan untuk mengetahui variabilitas genetik dan heritabilitas karakter   morfologis beberapa genotipe kentang di Balai Benih Desa Linelean Modoinding Kabupaten Minahasa Selatan. Hasil penelitian menunjukkan bahwa ragam genotipe tergolong sempit untuk semua karakter yang diamati. Koefisien ragam genotipe untuk karakter tinggi tanaman, pada 14, 42 dan 56 HST (Hari Setelah Tanam)  tergolong sempit, sedangkan pada 7, 21, 28, 35 dan 42 HST tergolong luas. Untuk karakter jumlah daun pada 7 dan 14 HST tergolong luas dan pada 21, 28, 35, 42 dan 49 HST tergolong sempit. Untuk karakter luas daun pada 7 dan 14 HST tergolong luas dan pada 21, 28, 35, 42 dan 49 HST tergolong sempit. Untuk karakter jumlah umbi panen per tanaman dan berat per umbi panen tergolong luas. Heritabilitas arti luas semua karakter tergolong tinggi, kecuali untuk karakter tinggi tanaman pada 7 dan 56 HST yang tergolong sedang. Eugenia Volume 19  No. 2  Agustus 2013 Kata kunci: ragam genotipe, koefisien ragam genotipe dan heritabilitas

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