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All Journal Agrosains: Jurnal Penelitian Agronomi Agroprimatech Journal of Biodiversity and Biotechnology Journal of Agrotechnology and Sustainability
Benauli, Arkhiadi
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Agriculture, Biological Sciences & Forestry Environmental Science

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PENGARUH EKSTRAK KULIT BAWANG MERAH DALAM MENGENDALIKAN HAMA ULAT GRAYAK (Spodoptera litura F.) SECARA IN VITRO Yunda Gusriani; BENAULI, ARKHIADI; SULASTRI, YUSTINA SRI
Agroprimatech Vol. 7 No. 2 (2023): Agroprimatech
Publisher : Prodi Agroteknologi Fakultas Agro Teknologi Universitas Prima Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34012/agroprimatech.v7i1.4232

Abstract

This research was conducted to determine the dose of shallot skin extract that is effective for controlling Spodoptera litura F. This research was carried out for 2 months at the Biology Laboratory, Faculty of Agriculture, Santo Thomas Catholic University, Medan. The research design used was a Non-Factoral Completely Randomized Design (CRD) consisting of five treatments and each treatment was repeated four times to form 20 experimental units of Red Onion Skin Soaking (K), namely: K0 = 0% (Control), K1 = 20 gr/liter of water, K2 = 40 gr/liter of water, K3 = 60 gr/liter of water, and K4 = 80 gr/liter of water. The parameters observed were pest mortality, 50% death time and larval behavior after application. From the research results, it can be seen that administering shallot skin extract at the highest dose, namely 80 g/L, can be quadratically used as a botanical insecticide to control S. litura pests with a death time of 27 hours
EKSTRAK DAUN PANDAN WANGI (PANDANUS AMARYLLIFOLIUS ROXB.) DALAM MENGENDALIKAN ULAT GRAYAK (SPODOPTERA LITURA F.) DI LABORATORIUM Benauli, Arkhiadi; Sitohang, Nurdin; Gusriani, Yunda; Harefa, Syukur Berkat
AGROSUSTAIN Volume 1 Nomor 1 (2023)
Publisher : LPPM Universitas Katolik Santo Thomas Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54367/agrosustain.v1i1.2480

Abstract

This research was conducted at the Biology Laboratory, Faculty of Agriculture, Universitas Katolik Santo Thomas, Medan. This study aims to determine the potential of fragrant pandan leaf extract as a vegetable pesticide in controlling armyworm pests. This study used a non-factorial completely randomized design (CRD). The treatment factor was fragrant pandan leaf extract (Pw) which consisted of 5 treatments and 4 replications, namely: Pw0 = (control/without giving fragrant pandan leaf extract), Pw1 = 20 ml of fragrant pandan leaf extract, Pw2 = 40 ml of pandan leaf extract fragrant, Pw3 = 60 ml of fragrant pandan leaf extract and Pw4 = 80 ml of fragrant pandan leaf extract, each treatment added with 100 ml of distilled water. The results showed that the highest percentage of mortality (100%) at 108 hours after application (JSA) was found in the treatment of 80 ml of fragrant pandan leaf extract + 100 ml of aquadest. The fastest death time of 50% of armyworms was found in the treatment of 80 ml of fragrant pandan leaf extract + 100 ml of aquadest, which was 30 JSA.
KARAKTERISTIK BUAH DAN BIJI KAKAO (Theobroma cacao L) PADA BERBAGAI ALTITUDE DI DATARAN TINGGI SAMOSIR Sitohang, Nurdin; Benauli, Arkhiadi; Sitanggang, Peby; Zagoto, Fran A.
AGROSUSTAIN Volume 1 Nomor 2 (2023)
Publisher : LPPM Universitas Katolik Santo Thomas Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54367/agrosustain.v1i2.2889

Abstract

The cocoa beans of small holder were usually still low quality, one of it caused by planting location of various altitude in highland. The focus of this research were characteristic of cocoa pod and beans on several altitudes in Samosir highland. The research method were survey as purposive sampling on five altitudes as 815, 930, 1.073, 1.300, and 1.350 m above sea levels (asl). The observed parameters were pod size, pod diametre, pod volume, dry weight of pods, dry weight of kolven, dry weight of beans, bean count per pod, and dry weight per bean at 5 different altitudes, in Samosir highland (>800 m asl) ie: 815, 930, 1.073, 1.300, and 1.350 m asl, with 10 pods (replications) at each altitudes. The results of research showed that: pod size increased, pod diametre increased, pod dry weight increased, dry weight of beans increased, bean count per pod increased, and dry weight each bean increased with the increasing of altitude. The best pods and beans were at altitude of 1.350 m asl, namely fruit length 19.20 cm, fruit dry weight 92.65 g, beans dry weight 47.73 g, number of beans per fruit 40.5 and average weight per bean 1.20 g. The physical characteristics of cocoa pods and beans are still in the normal category.
PENGARUH EKSTRAK KULIT BAWANG MERAH DALAM MENGENDALIKAN HAMA ULAT GRAYAK (Spodoptera litura F.) SECARA IN VITRO Gusriani, Yunda; BENAULI, ARKHIADI; SULASTRI, YUSTINA SRI
Agroprimatech Vol. 7 No. 2 (2023): Agroprimatech
Publisher : Prodi Agroteknologi Fakultas Agro Teknologi Universitas Prima Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34012/agroprimatech.v7i1.4232

Abstract

This research was conducted to determine the dose of shallot skin extract that is effective for controlling Spodoptera litura F. This research was carried out for 2 months at the Biology Laboratory, Faculty of Agriculture, Santo Thomas Catholic University, Medan. The research design used was a Non-Factoral Completely Randomized Design (CRD) consisting of five treatments and each treatment was repeated four times to form 20 experimental units of Red Onion Skin Soaking (K), namely: K0 = 0% (Control), K1 = 20 gr/liter of water, K2 = 40 gr/liter of water, K3 = 60 gr/liter of water, and K4 = 80 gr/liter of water. The parameters observed were pest mortality, 50% death time and larval behavior after application. From the research results, it can be seen that administering shallot skin extract at the highest dose, namely 80 g/L, can be quadratically used as a botanical insecticide to control S. litura pests with a death time of 27 hours
PENGARUH PEMBERIAN PUPUK ORGANIK DAN ANORGANIK TERHADAP PERTUMBUHAN, PRODUKSI DAN PERSENTASE SERANGAN HAMA GANJUR (Orseolia oryzae) PADA TANAMAN PADI (Oryza sativa L.) Benauli, Arkhiadi; Sitohang, Nurdin; Gusriani, Yunda; Hutasoit, Jaya Febrianto
Agroprimatech Vol. 7 No. 2 (2023): Agroprimatech
Publisher : Prodi Agroteknologi Fakultas Agro Teknologi Universitas Prima Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34012/agroprimatech.v7i1.4264

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk dalam menekan persentase serangan Orseolia oryzae pada tanaman padi. Metode dalam penelitian ini menggunakan rancangan acak kelompok (RAK) dengan perlakuan sebagai berikut: F0: kontrol; F1: Kotoran sapi; F2: Pupuk Organik Kompos; F3: Pupuk NPK Tunggal, P4 : Pupuk NPK Majemuk (16:16:16). Penelitian dimulai dengan pembuatan pupuk organik (kotoran sapi dan kompos), penanaman, penerapan perlakuan, pengumpulan data, dan analisis data observasi. Hasil penelitian menunjukkan bahwa pemberian pupuk meningkatkan jumlah anakan, jumlah malai, bobot 1000 butir, produksi per plot dan menurunkan persentase serangan hama Ganjur (Orseolia oryzae). Kotoran sapi adalah perlakuan terbaik.
Application of Organic and Inorganic Fertilizer to Percentage of Attacks of Ganjur Pest (Orseolia oryzae) in Rice Benauli, Arkhiadi; Sitohang, Nurdin; Gusriani, Yunda; Hutasoit, Jaya Febrianto
Agrosains : Jurnal Penelitian Agronomi Vol 25, No 1 (2023): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v25i1.72482

Abstract

Rice plants are a staple food for Indonesian people. Low crop productivity causes farmers to feel at a loss. Low rice yields are also caused by pests that attack plants, one of which is ganjur (Orselia oryzae). Efforts must be made to suppress the ganjur attack by trialling fertilizer application to rice plants. Research was conducted to determine the effect of fertilizer application in reducing the percentage of Orseolia oryzae attacks on rice plants. The method used in this research used a randomized block design (RBD) with 1 treatment factor, namely the type of fertilizer. The treatment levels for the types of fertilizer used are as follows: F0: control; F1: Cow dung; F2: Composted Organic Fertilizer; F3: Single NPK Fertilizer, P4: Compound NPK Fertilizer (16:16:16). The research began with making organic fertilizer (cow dung and compost), planting, applying treatment, collecting data, and analyzing observation data. The research results show that the application of cow dung fertilizer provides the best results compared to other fertilizers. The application of cow dung fertilizer produced the highest data based on the observed variables in this study, namely number of tillers, number of panicles, weight of 1000 grains, production per plot and reduced percentage of gallbladder pest attacks. Based on this research, the application of cow dung fertilizer can suppress attacks by ganjur pests (Orselia oryzae) while increasing the productivity of rice plants.
The Effect of Dosage and Type of Fertilizer on the Percentage of attacks of Brown Planthopper (Nilaparvata lugens stall.) on some Varieties of Paddy (Oryza Sativa L.) Benauli, Arkhiadi
Journal of Biodiversity and Biotechnology Vol 2, No 2 (2022)
Publisher : Pusat Penelitian dan Pengembangan Bioteknologi dan Biodiversitas (P3BB) LPPM UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jbb.v2i2.62134

Abstract

The effect of dosage anf type of fertilizer on the percentage of attacks of brown planthopper (Nilaparvata lugens Stall.) on Some Varieties of Paddy (Oryza sativa L.). This study aims to determine the dose of cow manure on the percentage of brown plant hopper attack  in several varieties of paddy. This research was conducted in Desa Serdang in March-June 2021. This research used Randomized Block Design (RAK) of two factors and three replications. The first factor  is fertilizer dose consisting of 4 treatments (anorganic, 50 kg / plot, 100 kg / plot and 150 kg / plot). The other factor  is a variety consisting of 2 treatments (Inpari 10 and Inpari 32). The results showed that the dosage of 100 kg / plot cow manure was the best treatment to production per plot and resistant to the pecentage of brown plant hopper attack. Inpari 32 is the best treatment to increase production per plot and resistant to the intensity of brown plant hopper attack. The interaction of fertilizer dosage and variety (Inpari 32 + 100 kg / plot) is the best treatment to increase production per plot and resistant to the percentage of brown plant hopper attack.
Co-Authors Gusriani, Yunda Harefa, Syukur Berkat Hutasoit, Jaya Febrianto Nurdin Sitohang Sitanggang, Peby Yunda Gusriani Yustina Sri Sulastri Zagoto, Fran A.