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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 13 Documents
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Search results for , issue "Vol 18, No 3 (2012)" : 13 Documents clear
KOMUNITAS SERANGGA HAMA PADA KOMODITI JAGUNG DI KECAMATAN MOOTILANGO, KABUPATEN GORONTALO PROVINSI GORONTALO Rahman, Muskina Dj.; Dien, Moulwy F.; Mamahit, J. E.
EUGENIA Vol 18, No 3 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.3.2012.4093

Abstract

ABSTRACT   The research was aimed to determine the types of insect pests that attack corn in storage. This was conducted from April to July, 2011 in the district of Mootilango, Gorontalo Province. The sampling was conducted in a purposive sampling, which is taking the samples of suspected commodity corn pests. Samples were taken by the corn at the corner and the center of the diagonal area of which as many as 250 grams, then put them into a jar and covered with a soft cloth. Sampling was carried out four  times in every two weeks. The research found seven types of insect pests on the corn in storage, which consisted of six orders of Coleoptera and 1 order of Lepidoptera. The results showed that, the identification of insect pests were: Sitophilus sp., Ahasverus sp., Oryzaephilus sp., Tribolium sp., Rhyzopertha sp., Cryptolestes sp., and Sitotroga sp. Sitophilus sp., an insect pest with the highest population, was reached an average of 79.01 individuals, followed by Tribolium sp. (14.79 individuals), Cryptolestes sp. (13.30 individuals), Oryzaephilus sp. (11.26 individuals), Ahasverus sp. (7.45 individuals), Sitotroga sp. (4.30 individuals) and Rhyzopertha sp. (2.15 individuals). Keywords : Insect pest storage, corn   ABSTRAK Penelitian ini bertujuan untuk mengetahui jenis-jenis serangga hama yang menyerang jagung pipilan di penyimpanan. Penelitian telah dilakukan sejak bulan April sampai dengan Juli 2011 di Kecamatan Mootilango, Kabupaten Gorontalo, Provinsi Gorontalo. Pengambilan sampel dilakukan secara purposive sampling yaitu dengan mengambil sampel komoditi jagung pipilan yang diduga terserang hama.  Sampel komoditi jagung pipilan diambil pada bagian sudut dan bagian tengah (diagonal) yang masing-masing sebanyak 250 gram, kemudian dimasukkan ke dalam stoples dan disungkup dengan kain kasa halus.  Pengambilan  sampel dilakukan sebanyak 4 kali dengan interval waktu 2 minggu sekali. Hasil penelitian ditemukan 7 jenis serangga hama pada jagung pipilan dipenyimpanan yang terdiri dari 6 ordo Coleoptera dan 1 ordo Lepidoptera.  Hasil identifikasi menunjukkan bahwa serangga hama yang ditemukan adalah Sitophilus sp., Ahasverus sp., Oryzaephilus sp., Tribolium sp.,  Rhyzopertha sp.,  Cryptolestes, dan Sitotroga sp. Sitophilus sp. merupakan serangga hama dengan populasi tertinggi yakni mencapai rata-rata 79,01 individu, kemudian diikuti oleh Tribolium sp. (14,79 individu), Cryptolestes sp.  (13,30 individu),  Oryzaephilus sp. (11,26 individu), Ahasverus sp. (7,45 individu), Sitotroga sp. (4,30 individu) dan Rhyzopertha sp. (2,15 individu) Eugenia Volume 18 No. 3  Desember 2012 Kata kunci : serangga hama gudang, jagung pipilan
PERKECAMBAHAN BENIH JAGUNG (Zea mays L.) PADA BERBAGAI UMUR PANEN BENIH DAN KELEMBABAN MEDIA TANAM Rikumahu, Vilma Victa; Pongoh, J.; Paulus, J. M.
EUGENIA Vol 18, No 3 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.3.2012.6478

Abstract

ABSTRACT Research has been implemented as of July 2012, in the  BPSB Laboratory  of North Sulawesi Province i.e.: 1) to test the seed lacking in vigour during the Random Complete Design with three treatments of the various harvest ages, i.e. U1 (90 dasy), U2 (100 days) and U3 (110 days) treatments repeated four times; 2) in the greenhouse to see the amount of the normal, sprouts abnormal, seeds, hard seed and dead, shoot root ratio by using the Random Completed Design with two factors, respectively are : factorial in complete factors of the first different age harvest U1 (90 days), U2 (100 days) and U3 (110 days), the second factor granting of the water with different capacity P1 (3600 ml), P2 (2700 ml), P3 (1800 ml) and P4 (900 ml). Data analysis were found by the various analysis, however if there are different results, it would continue on the Smallest Significant Test. The results showed that, Electric Power Conductivity (EPC) affected by the age of harvest seed corn. The highest EPC at the harvest ages of 90 days and the lowest at 100 days and 110 days. It would be shown that the great value of EPC, the smallest amount of germination. There is no interaction between the age of abnormal seeds, hard seed die, shoot root ratio and high sprouts, but single factor treatment of harvest age and media planting humidity were significantly effected toward sprout normal, abnormal seed, hard seed die, shoot root ratio and high sprouts. Keywords : corn seed, harvest ages, humidity ABSTRAK   Penelitian dilaksanakan sejak bulan Juli 2012, penelitian pertama di Laboratorium Balai Penelitian dan Sertifikasi Benih (BPSB) Provinsi Sulawesi Utara, untuk menguji vigor benih menggunakan Rancangan Acak Lengkap dengan tiga perlakuan umur panen yang berbeda: U1 (90 Hari), U2 (100 Hari) dan U3 (110 hari) perlakuan diulang empat kali. Penelitian kedua di Rumah Kaca untuk melihat jumlah kecambah normal, abnormal, benih keras,benih mati dan nisbah pupus akar  menggunakan Rancangan Acak Lengkap disusun secara faktorial  dengan  2 faktor  masing-masing adalah : faktor pertama : Umur Panen yang berbeda, U1 (90 Hari), U2 (100 Hari) dan U3 (110 hari). faktor kedua pemberian air dengan kapasitas yang berbeda, P1 (3600 ml), P2 (2700 ml), P3 (1800 ml) dan P4 (900 ml). Data yang diperoleh menggunakan analisa ragam dan jika terdapat perbedaan perlakuan dilanjutkan dengan uji Beda Nyata Terkecil  (BNT). Hasil penelitian yang didapat adalah; Daya hantar listrik (DHL) dipengaruhi oleh umur panen benih jagung, DHL tertinggi pada umur panen 90 hari dan yang terendah umur panen 100 dan 110 hari. Hal ini menunjukan bahwa semakin besar nilai DHL semakin kecil jumlah perkecambahan. Tidak terdapat interaksi antara umur panen benih dan kelembaban media tanam terhadap jumlah kecambah normal, abnormal, benih keras, benih mati, nisbah pupus akar dan tinggi kecambah tetapi secara tunggal faktor perlakuan umur panen dan kelembaban media tanam berpengaruh nyata terhadap kecambah normal, abnormal, benih keras, benih mati, nisbah pupus akar dan tinggi kecambah. Kata kunci : benih jagung, umur panen, kelembaban
PRODUKSI JAGUNG MANADO KUNING PADA JARAK TANAM DAN DOSIS PUPUK NITROGEN BERBEDA Erungan, Rony H.; Runtunuwu, D. S.; Rogi, J. E.X.
EUGENIA Vol 18, No 3 (2012)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.18.3.2012.4098

Abstract

ABSTRACT   Purpose of this study was to determine the effect of different planting distance and different doses of nitrogen fertilizer on production of Manado Kuning corn. The research was conducted in the village of Subdistrict Regency Talikuran, Tompaso District Minahasa Regency from March to July 2012. The results was found that, the height  of plant Manado Kuning corn ranged from 2.66 m to 2.81 m. Height lies cob ranged from 1.64 m to 1.80 m. Cob length ranged from 14.17 cm to 15,42 cm. Similarly, different cob diameter of each type was different treatment. The average diameter of ranged from 4.09 cm to 4.34 cm. Effect of plant spacing on cob diameter showed significant differences in spacing of 80 x 20 cm produced diameter cobs, by 4.14 cm; the spacing of 80 x 30 cm resulted in the diameter of 4.28 cm. As with the treatment history of planting, fertilizer treatments showed significant differences of cob diameter, with a fertilizer dose of 100 kg/ha yield maize by 4.09 cm diameter, with a fertilizer dose of 150 kg/ha yield a diameter of 4.20 cm, and the treatment dose of fertilizer 200 kg/ha yield 4.34 cm diameter. The number of lines is not affected by the above two kinds of treatment. Effect of plant spacing on seed weight per cob was, on spacing of 80 x 20 cm produced seed weight of 97.27 g, the spacing of 80 x 30 cm produced seed weight of 109.16 g. Effect of different doses of fertilizer are the dose of 100 kg/ha yield seed weight of 94.18 g, with a dose of 150 kg/ha yield of 99.79 g seed weight, and with a dose of 200 kg/ha yield seed weight of 115.68 g. Keywords: planting distance, doses of fertilizer   ABSTRAK   Tujuan penelitian ini adalah untuk mengetahui pengaruh jarak tanam dan dosis pupuk nitrogen yang berbeda terhadap produksi jagung Manado Kuning. Penelitian dilaksanakan di Desa Talikuran Kecamatan Tompaso Kabupaten Minahasa pada bulan Maret sampai dengan bulan Juli 2012. Hasil penelitian ditemukan bahwa tinggi tanaman jagung Manado Kuning berkisar dari 2,66 m sampai dengan 2,81 m. Tinggi letak tongkol berkisar antara 1,64 m sampai dengan 1,80 m. Panjang tongkol berkisar 14,17 cm sampai dengan15,42 cm. Demikian dengan diameter tongkol berbeda tiap jenis perlakuan. Rata-rata diameter tongkol berkisar 4,09 cm sampai 4,34 cm. Pengaruh jarak tanam terhadap diameter tongkol menunjukan perbedaan yang signifikan, pada jarak tanam 80 x 20 cm menghasilkan diameter tongkol sebesar 4,14 cm, pada jarak tanam 80 x 30 cm menghasilkan diameter sebesar 4,28 cm. Seperti halnya dengan perlakuan jarak tanam, perlakuan dosis pupuk menunjukan perbedaan yang signifikan terhadap diameter tongkol, dengan dosis pupuk 100 kg/ha menghasilkan diameter jagung sebesar 4,09 cm, dengan dosis pupuk 150 kg/ha menghasilkan diameter sebesar 4,20 cm, dan dengan perlakuan dosis pupuk 200 kg/ha menghasilkan diameter 4,34 cm. Jumlah baris tidak dipengaruhi oleh kedua macam perlakuan di atas. Pengaruh jarak tanam terhadap berat biji per tongkol adalah, pada jarak tanam 80 x 20 cm menghasilkan berat biji sebesar 97,27 g, pada jarak tanam 80 x 30 cm menghasilkan berat biji sebesar 109,16 g. Pengaruh perbedaan dosis pupuk adalah; pada dosis 100 kg/ha menghasilkan berat biji 94,18 g, dengan dosis 150 kg/ha menghasilkan berat biji sebesar     99,79 g, dan dengan dosis 200 kg/ha menghasilkan berat biji sebesar 115,68 g. Kata kunci:  jarak tanam, dosis pupuk

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