DINAMIKA PERTANIANPub Date : 2023-01-18DOI: 10.25299/dp.2022.vol38(3).11914
Ilma Satriana Dewi
{"title":"STRUKTUR BIAYA USAHA BUDIDAYA LEBAH MADU DI DESA KUAPAN KECAMATAN TAMBANG KABUPATEN KAMPAR (Kasus Usaha Madu “Mekar Sari”)","authors":"Ilma Satriana Dewi","doi":"10.25299/dp.2022.vol38(3).11914","DOIUrl":"https://doi.org/10.25299/dp.2022.vol38(3).11914","url":null,"abstract":"Communities in the Riau area have started cultivating honey bees both traditionally and in a modern way. However, the development of honey bee farming (Apis cerana) is currently still not progressing even though the business has been running for quite a long time. This could have been caused by several things, namely poor business management, starting from cultivation activities to quite high production costs. This study aims to analyze breeder characteristics and profiles, analyze production costs, production, income, and business efficiency, and analyze the cost structure of the \"Mekar Sari\" honey bee business. This research was conducted using a survey method, namely in the honey bee (Apis cerana) cultivation business in Kuapan Village, Tambang District, Kampar Regency. The analytical method used in this study is descriptive qualitative and quantitative analysis. The results showed that the breeders made the honey bee business a side business. The farmer is 30 years old and belongs to the productive age, his last education is a Bachelor of Animal Husbandry (S1), 10 years of farming experience, and has 3 dependents (1 wife and 2 children). The profile of the honey bee business \"Mekar Sari\" started as a group business funded by government assistance, but many members withdrew so the number of honey beekeepers decreased. Only 1 member of the group survives and continues the \"Mekar Sari\" honey business to this day. The production cost used in the \"Mekar Sari\" honey business is IDR 77,123,362/year, with a production of 800 kg. Gross income of IDR 120,000,000/year, and net income of IDR 42,876,638/year, and an efficiency of 1.55. The cost structure of the honey bee business \"Mekar Sari\" consists of the cost of production facilities with a percentage of 91.74%, labor costs of 2.77%, and equipment depreciation costs of 5.44%.","PeriodicalId":11230,"journal":{"name":"DINAMIKA PERTANIAN","volume":"5 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72556113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
DINAMIKA PERTANIANPub Date : 2023-01-18DOI: 10.25299/dp.2022.vol38(3).11911
Ahmad Ruliansyah, Ernita, Sri Mulyani
{"title":"APLIKASI BOKASHI KULIT NENAS DAN PUPUK NPK ORGANIK UNTUK PENINGKATAN.PERTUMBUHAN.DAN HASIL TANAMAN.TERUNG.UNGU (Solanum melongena L.)","authors":"Ahmad Ruliansyah, Ernita, Sri Mulyani","doi":"10.25299/dp.2022.vol38(3).11911","DOIUrl":"https://doi.org/10.25299/dp.2022.vol38(3).11911","url":null,"abstract":"The aim of the work was to find out the interaction between pineapple peel bokashi and organic NPK fertilizer and the main effect in increasing the growth and yield of purple eggplant (Solanum melongena L.). The study was conducted at the experimental farm of the Faculty of Agriculture of the Riau Islamic University from February to May 2020. This experimental design was 4 x 4 factorial using a completely randomized design with 3 replications. The first factor was the dose of pineapple peel bokashi consists of 4 levels: 0, 0.75, 1.5, 2.25 kg per plot. The second factor was the dose of NPK organic Fertilizer, consisting of 4 level: 0, 7.5, 15.0, 22, 5 gram per plant. The parameters observed were plant height, flowering age, harvest age, number of fruit crops, weight of fruit per plant, weight of fruit per fruit, number of residual fruits. The data were analyzed statistically and continued with the real difference test (BNJ) at the 5% level. The results showed that the interaction of pineapple peel bokashi and organic NPK had a significant effect to all observation parameters and the best treatment was a combination of pineapple skin bokashi 2.25 kg/plot and NPK organic 22.5 g/plant. The main effect of pineapple peel bokashi dose was significant on all observed parameters with the best treatment was 2.25 kg / plot. The main effect of organic NPK was significant for all parameters. The best treatment was found on organic NPK dose of 22.5 g/plant.","PeriodicalId":11230,"journal":{"name":"DINAMIKA PERTANIAN","volume":"74 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80647198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"PENGARUH JENIS MULSA DAN PUPUK KNO3 TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TOMAT (Lycopersicum esculentum Mill.)","authors":"Andri Rizki Sihombing, Saripah Ulpah, Raisa Baharuddin","doi":"10.25299/dp.2022.vol38(3).11902","DOIUrl":"https://doi.org/10.25299/dp.2022.vol38(3).11902","url":null,"abstract":"In the Tomato cultivation in the lowlands, environmental factors such as temperature and humidity are things that need to be considered in order to increase the growth and production of tomatoes. Therefore, it is necessary to modify the environmental conditions with applying mulch, such as plastic mulch or organic mulch. In addition, increased production can be done by fertilizing potassium nitrate (KNO3) which is more practical to use because it has two nutrient contents, namely potassium and nitrogen. The purpose of this study was to determine the effect of the interaction between mulch and potassium nitrate (KNO3) on the growth and production of tomato (Lycopersicum esculentum Mill.). This study used a completely randomized design (CRD) with two factorials. The first factor was the type of mulch which consists of 4 levels of treatment, which are without mulch, black silver plastic mulch, rice straw mulch, reed mulch. The second factor was the concentration of potassium nitrate (KNO3) which consists of 4 levels of treatment, namely 0, 3, 6, 9 g / l. Each treatment was repeated 3 times, in order to obtain 48 experimental units. The results showed that the interaction effect of the type of mulch and potassium nitrate (KNO3) was significant on the parameters of plant height, harvest age, number of fruits per plant, fruit weight per plant, fruit weight per fruit, and number of residual fruits. The best treatment combination was the use of rice straw mulch and a concentration of 9 g/l KNO3 fertilizer.","PeriodicalId":11230,"journal":{"name":"DINAMIKA PERTANIAN","volume":"29 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86904563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
DINAMIKA PERTANIANPub Date : 2023-01-18DOI: 10.25299/dp.2022.vol38(3).11907
Riri Dwiyanti, Desita Salbiah
{"title":"PENGGUNAAN FILTRAT RIMPANG JAHE MERAH (Zingiber officinale var. Rubrum) TERHADAP HAMA ULAT BAWANG MERAH (Spodoptera exigua H.)","authors":"Riri Dwiyanti, Desita Salbiah","doi":"10.25299/dp.2022.vol38(3).11907","DOIUrl":"https://doi.org/10.25299/dp.2022.vol38(3).11907","url":null,"abstract":"Spodoptera exigua H. is a pest on shallot plants. S. exigua pest control is usually performed using synthetic insecticides. However, its use can cause negative impacts on humans and the agricultural environment. Therefor, it needs the alternative insecticides that are safer and environmentally friendly such as Zingiber officinale var. Rubrum. The purpose of this research was to obtain the effective concentration of red ginger rhizome filtrate to control the pest Spodoptera exigua H. The research was conducted at the experimental farm of the Faculty of Agriculture, Riau University from September to November 2019. Experiments were carried out using a completely randomized design (CRD) with 5 treatments and 4 replications. The red ginger rhizome filtrate concentration treatment used was 0 ml.l-1 water, 20 ml.l-1 water, 40 ml.l-1 water, 60 ml.l-1 water, dan 80 ml.l-1 water. The results showed that the concentration of red ginger rhizome filtrate 60 ml.l-1 water could control pests S. exigua and could cause total mortality of 82,50% with an initial death time of 7 hours and lethal time 50 of 40,25 hours.","PeriodicalId":11230,"journal":{"name":"DINAMIKA PERTANIAN","volume":"98 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90894287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
DINAMIKA PERTANIANPub Date : 2023-01-18DOI: 10.25299/dp.2022.vol38(2).11889
Noer Arif Hardi, Hasan Basri Jumin, Maizar
{"title":"RESPON PERTUMBUHAN EKSPLAN ANGGREK BULAN (Phalaenopsis amabilis. L) TERHADAP PEMBERIAN NAPHTALENE ACETIC ACID (NAA) DAN AIR KELAPA SECARA IN VITRO","authors":"Noer Arif Hardi, Hasan Basri Jumin, Maizar","doi":"10.25299/dp.2022.vol38(2).11889","DOIUrl":"https://doi.org/10.25299/dp.2022.vol38(2).11889","url":null,"abstract":"This study was conducted in the biotechnology laboratory of the Faculty of Agriculture, Riau Islamic University, Pekanbaru. This study was conducted for five months from January to March 2017. The purpose of this study was to examine the effect of the growth response of an orchid butterfly plant on the interaction between NAA and coconut water using In-Vitro. This study used a Completely Randomized Design (RAL) factorial the RAL (Randomized ich consists of two factors. The first factor was NAA consisting of 4 levels, i.e 0, 0.1 ppm, 1.0 ppm, and 10,0 ppm, and the second factor was Coconut Water which also consisted of 4 levels, i.e 30%, 60%, and 90%. With 3 repetitions, the parameters observed: percentage of live explants (%), percentage of explants form shoots (%), number, percentage of explants that make up the root (%), explant form callus (%), shoot age (day), and the percentage of explant form plantlets (%). The last observational data were statistically analyzed and continued with BNJ advanced test at a 5% level. As a result, the interaction of NAA and coconut water affected the percentage of explant root and the percentage of explant form callus with the best concentration of 10 ppm NAA. The provision of coconut water had a significant effect on the number of shoots, the percentage of an explant from the roots shoot emergence, explant percentage forming plantlets on moth orchids with a concentration of 30% Coconut water/L media.","PeriodicalId":11230,"journal":{"name":"DINAMIKA PERTANIAN","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73352393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
DINAMIKA PERTANIANPub Date : 2023-01-18DOI: 10.25299/dp.2022.vol38(2).11900
Khairizal, Refni Dwi Safitri, Azharuddin M Amin, Khairuddin.
{"title":"ANALISIS KELAYAKAN USAHA AGROWISATA KAMPOENG RABBIT’S DI KELURAHAN MENTANGOR KECAMATAN TENAYAN RAYA KOTA PEKANBARU PROVINSI RIAU","authors":"Khairizal, Refni Dwi Safitri, Azharuddin M Amin, Khairuddin.","doi":"10.25299/dp.2022.vol38(2).11900","DOIUrl":"https://doi.org/10.25299/dp.2022.vol38(2).11900","url":null,"abstract":"Agrotourism is a tourist activity that involves the use of agricultural land or related facilities that become an attraction for tourists. Agriculture in the broadest sense includes people's agriculture, plantations, livestock, fisheries, and forestry. This study aims to analyze: The financial viability of the agrotourism business kampoeng rabbit's. The research method is a survey method, on the agrotourism business kampoeng rabbit's in the Village of Mentangor District Tenayan Raya Kota Pekanbaru. The study was conducted for 6 months starting from August 2020 to January 2021. The respondents in this study were entrepreneurs and 8 workers. Furthermore, this study was analyzed descriptively quantitatively, business analysis, investment criteria (Net Present Value, Internal Rate Of Return, Net B /C and Payback Period). The types of data used are secondary data and primary data. The results of this study showed that the financial feasibility analysis of the ecotourism business kampoeng rabbit's worthy because it has met 4 investment criteria with an NPV value of 637,900,658 > 0, Net B / C 1.17 > 1, IRR 29% > 12% payback rate for 2 years 11 months 2 days < business life (10 years).","PeriodicalId":11230,"journal":{"name":"DINAMIKA PERTANIAN","volume":"58 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84708834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
DINAMIKA PERTANIANPub Date : 2023-01-18DOI: 10.25299/dp.2022.vol38(2).11897
Endro, Fahrial
{"title":"ANALISIS AGROINDUSTRI SUSU KEDELAI DI KELURAHAN PURWODADI KECAMATAN TAMPAN KOTA PEKANBARU PROVINSI RIAU (KASUS PADA USAHA SUSU KEDELAI BAPAK ANAS)","authors":"Endro, Fahrial","doi":"10.25299/dp.2022.vol38(2).11897","DOIUrl":"https://doi.org/10.25299/dp.2022.vol38(2).11897","url":null,"abstract":"The purpose of this work is to analyse the characteristics of entrepreneurs and business profiles, the production process and the use of production inputs, production costs, output, sales price, income, and the efficiency and added value of business in the soy milk agroindustry. This study used a survey method in Purwodadi Village, Tampan District, Pekanbaru City, Riau Province. Data were analysed using descriptively qualitatively and quantitatively. The results showed that the characteristic features of soymilk entrepreneurs were productive age, high school education, high entrepreneurial experience and relatively small family members. The business profile shows that the soymilk agroindustry is classified as a micro-enterprise. The production process of soy milk begins with shaking and washing, grinding, boiling, filtering, heating, and packaging. The use of inputs consisted of raw materials i.e., soybeans 72 kg/month, labour 11.59 HOK/month and supporting materials namely water 1.368 l/month, sugar 120 kg/month, food flavours 600 ml/month, salt 7200 grams/month, pandan leaves 1 sheets/month, plastic wrapping 9360 sheets/month and firewood up to m3/month. The of production cost of soy milk was Rp. 5,545,864/month, which consisted of variable costs IDR 5,481.150/month and fixed costs IDR 64,714/month. Soy milk production was obtained as much as 1,080 liters/month with a selling price of IDR 6,667/liter. Gross income was IDR 7,200,000/month and net income was IDR. 1,654,136/month. The efficiency (RCR) of soy milk was 1.30 and it means soy milk was profitable and feasible. The added value obtained from the soy milk agroindustry was IDR 39,068/liter with a value-added ratio of 39.07%.","PeriodicalId":11230,"journal":{"name":"DINAMIKA PERTANIAN","volume":"25 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84489791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
DINAMIKA PERTANIANPub Date : 2023-01-18DOI: 10.25299/dp.2022.vol38(3).11912
M.Charizal Purba, Fahrial
{"title":"ANALISIS AGROINDUSRI DAN STRATEGI PENGEMBANGAN GULA AREN DI DESA RAMBAH TENGAH HULU KECAMATAN RAMBAH KABUPATEN ROKAN HULU PROVINSI RIAU","authors":"M.Charizal Purba, Fahrial","doi":"10.25299/dp.2022.vol38(3).11912","DOIUrl":"https://doi.org/10.25299/dp.2022.vol38(3).11912","url":null,"abstract":" \u0000Palm sugar agro industry can providr an add value to palm sugar producers and overcome labor challenges If the business is managed properly, the purpose of this study is to analysis: the characteristics and profiles of palm sugar producers, palm sugar processing techniques, palm sugar production cost, production, revenue, efficiency, and value added, and make palm sugar marketing strategy. This study used a survey method. The research site was in Rambah Tengah Hulu Village, Rambah District, Rokan Hulu Regency, Riau Province. In this study, 15 producers were selected by snowball sampling. The collected data consisted of primary and secondary data. The method of data analysis used descriptive qualitative analysis and quantitative descriptive. The results showed that the characteristics of palm sugar producers had an average age of 50 years, male gender, 6 years of education level, 10 years of business experience, and the family number of 5 persons. The palm sugar agroindustry was home industry business, private business capital, and labor are come from the family. The process of palm sugar in the research area used simple technology. The cost spent by the producers were Rp. 122,742, revenue Rp. 149,400, profits Rp. 26,658 with an R / C ratio 1.21. The added value obtained from processing palm sugar per process was Rp. 131,400 with a value-added ratio of 87.95%, and a margin value of Rp. 147,400, direct labor income was 0.67%, other input contributions were 10.85%, and profits were 88.46%. Based on the SWOT matrix analysis, it showed that the business was in quadrant I or SO strategy (strengths and opportunities). This strategy shows that the situation is very favorable for entrepreneurs by utilizing their strengths to take advantage of business opportunities.","PeriodicalId":11230,"journal":{"name":"DINAMIKA PERTANIAN","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78434396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
DINAMIKA PERTANIANPub Date : 2023-01-18DOI: 10.25299/dp.2022.vol38(3).11913
Eka Marlena, Azharuddin M Amin
{"title":"ANALISIS KELAYAKAN USAHA PENGOLAHAN IKAN SALAI DI KELURAHAN AIR DINGIN KECAMATAN BUKIT RAYA KOTA PEKANBARU PROVINSI RIAU (Studi Kasus Pada Usaha Ikan Salai Sedap Bakat)","authors":"Eka Marlena, Azharuddin M Amin","doi":"10.25299/dp.2022.vol38(3).11913","DOIUrl":"https://doi.org/10.25299/dp.2022.vol38(3).11913","url":null,"abstract":"This study aims to analyze the characteristics of entrepreneurs and smoked fish business profile; availability, acquisition, and use of raw materials and supporting materials for smoked fish processing business; non-financial business feasibility and financial feasibility of smoked fish processing business; and the sensitivity of the smoked fish processing business. The method used in this research was a case study in the processing business of \"Spiced Fish Bakat\" in Air Dingin Village, Bukit Raya District, Pekanbaru City, Riau Province. This research was carried out for six months starting from January to June 2022. The respondents in this study were entrepreneurs and four workers. Data analysis was performed using quantitative and qualitative descriptive analysis (market and marketing aspects, technical aspects, environmental aspects, legal aspects, and management aspects, and financial aspects using four investment criteria (NPV, Net B/C, IRR, and Payback Period) and sensitivity analysis with the Switching Value approach. The results showed that the characteristics of entrepreneurs belong to the productive age with 46 years of age, 16 years of education (graduate) with 12 years of business experience, and 4 family members. Salai Sedap Bakat fish processing business is classified as a small-scale and household business and still uses traditional technology in the production process. Non-financial feasibility from market and marketing aspects, technical aspects, legal aspects, and management aspects of the salai fish business was feasible. The environmental aspect was not yet feasible because there is no provision for waste treatment from the by-products of smoked fish processing. Meanwhile, financially the Salai Sedap Bakat fish processing business is feasible to be continued and developed because it is profitable based on 4 investment criteria with an NPV of IDR 50,086,397 > 0, Net B/C with a value of 1.43 > 1, an IRR value of 21% > i ( 6.69%) and Payback Period for 4 years 1 month 5 days < business life (10 years). Based on sensitivity analysis using the switching value approach, the profit of the Salai Sedap Bakat Fish Business was more sensitive to the decline in the price of catfish production with a decrease in the NPV value of 90.65% and a decrease in the production of smoked catfish with a percentage of 90.28% compared with an increase in operational costs with a percentage of 82.36% of the base value.","PeriodicalId":11230,"journal":{"name":"DINAMIKA PERTANIAN","volume":"231 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76108215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
DINAMIKA PERTANIANPub Date : 2023-01-18DOI: 10.25299/dp.2022.vol38(3).11906
Sandi Syahputra, Rusli Rustam, Desita Salbiah
{"title":"UJI BEBERAPA KONSENTRASI EKSTRAK TEPUNG DAUN PAITAN (Tithonia diversifolia A. Gray) TERHADAP MORTALITAS LARVA PENGGEREK TONGKOL JAGUNG Helicoverpa armigera Hubner","authors":"Sandi Syahputra, Rusli Rustam, Desita Salbiah","doi":"10.25299/dp.2022.vol38(3).11906","DOIUrl":"https://doi.org/10.25299/dp.2022.vol38(3).11906","url":null,"abstract":"Borer pest of corn cobs (Helicovepa armigera Hubner) is a major pest of corn. Pest control can be done using plant-based insecticides from paitan leaf extract (Tithonia diversifolia A. Gray). This study aims to obtain the best concentration of paitan leaf extract in controlling corn cob borer Helicoverpa armigera. The study was conducted at the Plant Pest Laboratory of the Faculty of Agriculture, University of Riau. The research was carried out using a completely randomized design (CRD), consisting of 5 treatments and 4 replications. The treatments used were several concentrations of paitan leaf extract, namely 0 gl-1, 25 gl-1, 50 gl-1, 75 gl-1and 100 gl-1. Parameters observed were initial death, lethal time 50, lethal concentration (LC50 and LC95), daily mortality, and total mortality. data. Data were collected from daily mortality and then descriptively analyzed and displayed graphically. Data lethal concentration (LC50 and LC95) were analyzed probit using the POLO-PC program, while other data such as initial death, total mortality, and lethal time (LT50) were analyzed with analysis of variance. Data from the variance analysis with significant effect will be continued using the smallest significant difference (LSD) test at the 5% level. Results showed that the application of paitan leaf extract with a concentration of 100 gl-1 water was able to control H. armigera with mortality of 55.00%. The proper concentration to lead mortality of 50% of larvae H. armigera was 10.3% or equal to 103 gl-1 of water of paitan leaf extract. Meanwhile, the proper concentration to lead mortality of 95% of larvae population H. armigera was 44.7% or equivalent to 447 gl-1 water of paitan leaf extract.","PeriodicalId":11230,"journal":{"name":"DINAMIKA PERTANIAN","volume":"26 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91323605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}