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Dantje Tarore
Pascasarjana Universitas Sam Ratulangi Program Studi Entomologi Minat Entomologi Kesehatan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Immunology & microbiology Medicine & Pharmacology Social Sciences

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Journal : Jurnal Agroekoteknologi Terapan

 1 
Armyworm (Spodoptera frugiperda J.E. Smith) Attack And Pest Population On Several Hybrid Corn Varieties And Strains In Talawaan Village, Talawaan District Threis Umboh; Christina L. Salaki; Dantje Tarore
Jurnal Agroekoteknologi Terapan Vol. 4 No. 2 (2023): EDISI JULI-DESEMBER 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v4i2.49086

Abstract

New superior varieties and high-yielding maize lines are one of the main components of the technology for increasing maize production. This study aims to determine the larval population and pest attack of S. frugiperda on two varieties and eight lines of hybrid maize implemented in Talawaan Village. It is hoped that from this study information on larval populations and pest attacks of S. frugiperda on two varieties and eight lines of hybrid maize implemented in Talawaan Village will be obtained. This study used a randomized block design with 10 treatments, consisting of two varieties and eight lines, each treatment was repeated 3 times, so that 30 experimental units were obtained. As treatments were two maize varieties, namely ADV 777 (A) and JH 37 (J) and eight lines namely HLN 01 (B), HLN 02 (C), HLN 03 (D), HLN 04 (E), HLN 05 ( F), HLN 06 (G), HLN 07 (H), HLN 08 (I). Observations were made at intervals of 1 week starting at 15 ADP, 22 ADP, 29 ADP and 36 ADP.  The things that were observed were attack symptoms, larval populations and the percentage of S. frugiperda in the treatments being tested. The results showed that the highest average population of S. frugiperda larvae was found in the 36 ADP observations, namely treatment I (HLN 08) namely 165.33 individuals and the lowest in treatment A (ADV 777) of 18.33 individuals. The highest percentage of attacks was observed at 36 ADP, namely treatment I (HLN 08) of 46.00% and the lowest in treatment A (ADV 777) of 11.00%. Keywords: varieties, lines, S. frugiperda, corn hybrid Abstrak Varietas unggul baru dan galur tanaman jagung yang berdaya hasil tinggi merupakan salah satu komponen utama teknologi peningkatan produksi jagung.  Penelitian ini bertujuan untuk menganalisis populasi larva dan serangan hama S. frugiperda pada dua varietas dan delapan galur jagung hibrida yang dilaksanakan di Desa Talawaan.  Diharapkan dari penelitian ini dapat diperoleh informasi populasi larva dan serangan hama S. frugiperda pada dua varietas dan delapan galur jagung hibrida yang dilaksanakan di Desa Talawaan.  Penelitian ini menggunakan Rancangan Acak Kelompok dengan 10 perlakuan, yang terdiri dari dua varietas dan delapan galur, masing-masing perlakuan diulang 3 kali, sehingga diperoleh 30 satuan percobaan.  Sebagai perlakuan adalah dua varietas jagung, yakni ADV 777 (A) dan JH 37 (J) dan delapan galur yaitu HLN 01 (B), HLN 02 (C), HLN 03 (D), HLN 04 (E), HLN 05 (F), HLN 06 (G), HLN 07 (H), HLN 08 (I).  Pengamatan dilakukan selang periode 1 minggu yang dimulai pada 15 HST, 22 HST, 29 HST dan 36 HST.  Hal-hal yang diamati adalah gejala serangan, populasi larva dan persentase serangan S. frugiperda pada perlakuan yang diujicobakan.  Hasil penelitian menunjukkan bahwa rataan populasi larva S. frugiperda tertinggi dijumpai pada pengamatan 36 HST yaitu perlakuan I (HLN 08) yakni 165.33 ekor dan terendah pada perlakuan A (ADV 777) sebanyak 18.33 ekor.  Persentase serangan tertinggi pada pengamatan 36 HST yakni perlakuan I (HLN 08) sebesar 46.00% dan terendah pada perlakuan A (ADV 777) sebesar 11.00%. Kata kunci : varietas, galur, Spodoptera frugiperda, jagung hibrida
Development Of Warehouse Pest Sitophilus zeamais Motsch. On Corn Seed Varieties Bisi 18, Jh 37, Lamuru, Pertiwi 3 And Batras 1 In The Laboratory Tambelu, Merry Feiby; Tarore, Dantje; Rimbing, Jimmy; Paat, Frangky J.
Jurnal Agroekoteknologi Terapan Vol. 5 No. 1 (2024): EDISI JANUARI-JUNI 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v5i1.56351

Abstract

Seeds are an important input for increasing corn production and productivity. The use of low-quality seeds causes low corn production. The research aims to determine the development of the S. zeamais pest on corn seeds of varieties Bisi 18, JH 37, Lamuru, Pertiwi 3, and Batras 1. This research used a Completely Randomized (CRD) design with five treatments and three replications. As treatments were 5 varieties of corn seeds, namely Bisi 18, JH 37, Lamuru, Pertiwi 3, and Batras 1. The research method used was the Experimental Method, namely experimental research by researching the influence of the S. zeamais pest on five varieties of corn seeds. The results of variance analysis of differences in S. zeamais populations on corn seeds of the Bisi 18, Jh 37, Pertiwi 3, and Batras 1 varieties showed that the results were not significantly different except for the Lamuru variety which had significant differences. These data show that the Lamuru variety has the highest population of the S. zeamais pest. The high population of the pest S. zeamais on corn seeds of the Lamuru variety compared to other varieties could be caused by the pest being more attracted to the physical condition, nutritional, and chemical content of the seeds. The results of variance analysis of differences in damage between corn seed varieties due to S. zeamais attack showed real and very significant differences, except between the Betras 1 and Pertiwi 3 varieties which were not significantly different. The Lamuru variety has a higher number of damaged or hollow corn seeds compared to other varieties. Differences in the nutrient content and seed hardness of each corn seed variety can cause high damage to the Lamuru variety. Keywords: Warehouse Pests, Sitophilus oryzae, Experimental methods, Pest populations, damage to corn seeds. Abstrak Benih merupakan input penting bagi peningkatan produksi dan produktivitas tanaman jagung. Penggunaan benih dengan mutu rendah menyebabkan produksi jagung rendah. Penelitian bertujuan mengetahui perkembangan hama S. zeamais pada benih jagung varietas Bisi 18, JH 37, Lamuru, Pertiwi 3 dan Batras 1. Penelitian ini menggunakan rancangan Acak Lengkap (RAL) dengan lima perlakuan dan tiga ulangan. Sebagai perlakuan adalah 5 varietas benih jagung yaitu Bisi 18, JH 37, Lamuru, Pertiwi 3 dan Batras 1. Metode penelitian yang digunakan adalah Metode Eksperimen (Experimental Method) yaitu penelitian percobaan dengan melakukan penelitian pengaruh hama S. zeamais pada lima varietas benih jagung. Hasil analisa varians perbedaan populasi S. zeamais pada benih jagung varietas Bisi 18, Jh 37, Pertiwi 3 dan Batras 1 menunjukkan hasil yang tidak berbeda nyata kecuali terhadap varietas Lamuru memiliki perbedaan nyata. Data tersebut menunjukkan bahwa varietas Lamuru memiliki populasi hama S. zeamais tertinggi. Tingginya populasi hama S. zeamais pada benih jagung varietas Lamuru dibandingkan dengan varietas yang lain dapat disebabkan karena hama tersebut lebih tertarik pada keadaan fisik, kandungan nutrisi dan kimia biji benih tersebut. Hasil analisa varians perbedaan kerurasakan antar varietas benih jagung akibat serangan S. zeamais menunjukkan adanya perbedaan yang nyata dan sangat nyata, kecuali antara varietas Betras 1 dan pertiwi 3 tidak berbeda nyata. Varietas Lamuru memiliki jumlah biji benih jagung rusak atau berlubang dibandingkan dengan varietas lain. Tingginya kerusakan pada varietas Lamuru dapat disebabkan karena adanya pembedaan kandungan gisi dan kekerasan biji pada setiap varietas benih jagung. Kata kunci: Hama Gudang, Sitophilus oryzae,Mitode eksperimen, Populasi hama, kerusakan benih jagung
Co-Authors Alfiando A. Sasauw Andrea Wangko Arter G. Umboh Balansa, Endrile Golmen BEIVY JONATHAN KOLONDAM Betsy A.N. Pinaria Chika C. Maarebia Christina Salaki Devita Gabai Emmy Senewe Fahrisal, Fahrisal Frangky J. Paat James B. Kaligis Jeane Krisen Jefri Sembiring Jenny E.A. Kandou Jimmy Rimbing Juliet M.E. Mamahit Juliet M.E. Mamahit Jusuf Manueke Jusuf Manueke Lebang, Midy San Lucia Cecilia Mandey Mamahit, Juliet Merry Eva Marco M. Supit Mareyke Moningka Margareta M. Kawulusan Maxi Lengkong Mei Lani Bandu Moulwy Dien Natasia M. Dumais Nintang T. Umboh Oddi R Pinontoan Odi R. Pinontoan Pinaria, Betsy Reity A.G. Engka Robert W Tairas Ronny Nangoi Salaki, Christina Leta Salasa, Tirsa Selvia D. Sumual Tambelu, Merry Feiby Threis Umboh TRINA EKAWATI TALLEI Washliyah, Sitti