Dewi Riniarti
Jurusan Budidaya Tanaman Perkebunan, Politeknik Negeri Lampung Jln. Soekarno-Hatta No. 10 Rajabasa, Bandar Lampung, Telp (0721) 703995. Fax: (0721) 787309

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Journal : Jurnal Agro Industri Perkebunan

Karakteristik Cendawan Mikoriza Arbuskula (CMA) pada Beberapa Rhizosfer Tanaman Perkebunan Yuliyanto, Indra; Utoyo, Bambang; Riniarti, Dewi
Jurnal Agro Industri Perkebunan Volume 4 No. 2, Oktober 2016
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (0.036 KB) | DOI: 10.25181/aip.v4i2.51

Abstract

The development of Mycorrhizal Arbuscular Fungi (MAF) in general is influenced by the conditions of the rhizosphere and fungi spores. Rhizosphere conditions are conditions around the roots such as temperature, pH, and root exudates. While the condition is a fungal spore dormancy and maturity spores. The aim of this study was to determine the amount of FMA on some plantation crops rhizosphere, to determine the type of crop rhizosphere FMA on some plantations, as well as to determine the dominance of FMA on some plantation crops rhizosphere. The experiment was conducted at the Laboratory Analysis State Polytechnic of Lampung. Month trial period from December 2014 to July 2015. The method used in this study is a description of the method by observation. Based on research results and observations of mycorrhizal spores in the rhizosphere of plants cocoa, rubber, coffee, and palm oil was found that on average the highest number of spores found in oil palm plantations (2.4 spores), while the lowest number of spores present in the rubber plantations (1 spore ). Type spores on all plantation crops rhizosphere dominated by species Glomus with different types (10 types). Glomus Type 2 dominates on all plantation crops rhizosphere.Keywords: estate crop, mycorrhizae, rhizospherePermalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/51
Karakterisasi Morfofisiologi dan Hasil Minyak 10 Genotip Nilam (Pogostemon cablin Benth.) Wulansari, Retno; Tahir, Muhammad; Indrawati, Wiwik; Riniarti, Dewi
Jurnal Agro Industri Perkebunan Volume 6 No. 1, Mei 2018
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (0.036 KB) | DOI: 10.25181/jaip.v6i1.657

Abstract

Characterization of morphophysiology and oil yield of 10 patchouli genotypes (Pogostemon cablinBenth.) aims to test the morphology and physiology character of nine genotypes Aceh patchouli and one comparative clone (Lhokseumawe), obtain high yield oil clones (weight plant and essential oil content), and obtain genetic and phenotypic variabilities that can be used as a new genotype selection indicators. The research was conducted at Experimental Field and Plant Laboratory of the State Polytechnic of Lampung in April until November 2016. This research used Randomized Block Design (RBD) with 10 treatment levels and 3 replications.The LSI test results on the physiological character of the nine genotypes and one comparative clone showed that NPL 9 genotypes superior to the variables of the angle of petiole, chlorophyll content, leaf area, specific leaf area, and leaf area index. The NPL 9 genotypes resulted higher yield and rendement yields than other genotypes tested and one comparator, that was 2,36%. The character of stem production and rendement has a genetic variant value greater than the environmental variant. For genetic variability and phenotypic variability in the variables observed relatively uniform so that can not be used as an indicator of selection.   Keywords: Aceh patchouli, leaf character, selection indicator, variability of genotype, variability of phenotype
Karakterisasi Morfofisiologi dan Hasil Minyak 10 Genotip Nilam (Pogostemon cablin Benth.) Wulansari, Retno; Tahir, Muhammad; Indrawati, Wiwik; Riniarti, Dewi
Jurnal Agro Industri Perkebunan Volume 6 No. 1, Mei 2018
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (0.036 KB) | DOI: 10.25181/jaip.v6i1.657

Abstract

Characterization of morphophysiology and oil yield of 10 patchouli genotypes (Pogostemon cablinBenth.) aims to test the morphology and physiology character of nine genotypes Aceh patchouli and one comparative clone (Lhokseumawe), obtain high yield oil clones (weight plant and essential oil content), and obtain genetic and phenotypic variabilities that can be used as a new genotype selection indicators. The research was conducted at Experimental Field and Plant Laboratory of the State Polytechnic of Lampung in April until November 2016. This research used Randomized Block Design (RBD) with 10 treatment levels and 3 replications.The LSI test results on the physiological character of the nine genotypes and one comparative clone showed that NPL 9 genotypes superior to the variables of the angle of petiole, chlorophyll content, leaf area, specific leaf area, and leaf area index. The NPL 9 genotypes resulted higher yield and rendement yields than other genotypes tested and one comparator, that was 2,36%. The character of stem production and rendement has a genetic variant value greater than the environmental variant. For genetic variability and phenotypic variability in the variables observed relatively uniform so that can not be used as an indicator of selection.   Keywords: Aceh patchouli, leaf character, selection indicator, variability of genotype, variability of phenotype
Karakteristik Cendawan Mikoriza Arbuskula (CMA) pada Beberapa Rhizosfer Tanaman Perkebunan Yuliyanto, Indra; Utoyo, Bambang; Riniarti, Dewi
Jurnal Agro Industri Perkebunan Volume 4 No. 2, Oktober 2016
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (0.036 KB) | DOI: 10.25181/aip.v4i2.51

Abstract

The development of Mycorrhizal Arbuscular Fungi (MAF) in general is influenced by the conditions of the rhizosphere and fungi spores. Rhizosphere conditions are conditions around the roots such as temperature, pH, and root exudates. While the condition is a fungal spore dormancy and maturity spores. The aim of this study was to determine the amount of FMA on some plantation crops rhizosphere, to determine the type of crop rhizosphere FMA on some plantations, as well as to determine the dominance of FMA on some plantation crops rhizosphere. The experiment was conducted at the Laboratory Analysis State Polytechnic of Lampung. Month trial period from December 2014 to July 2015. The method used in this study is a description of the method by observation. Based on research results and observations of mycorrhizal spores in the rhizosphere of plants cocoa, rubber, coffee, and palm oil was found that on average the highest number of spores found in oil palm plantations (2.4 spores), while the lowest number of spores present in the rubber plantations (1 spore ). Type spores on all plantation crops rhizosphere dominated by species Glomus with different types (10 types). Glomus Type 2 dominates on all plantation crops rhizosphere.Keywords: estate crop, mycorrhizae, rhizospherePermalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/51
Analisis Sistem Persediaan Bahan Baku Air Kelapa pada Industri Nata de Coco (Studi Kasus PT Keong Nusantara Abadi) Pangesti, Shella Puji; Saty, Fadila Marga; Riniarti, Dewi
Jurnal Agro Industri Perkebunan Volume 7 No. 2, Oktober 2019
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (0.036 KB) | DOI: 10.25181/jaip.v7i2.1111

Abstract

Inventory is an important thing for the industrial company, so determination of order quantity must be done optimally and reduce the inventory cost.  PT Keong Nusantara Abadi is an industrial company for processing of nata de coco that requires an inventory control system so that the purchase of raw material becomes optimal.  Therefore, this research was conducted to analyze inventory control carried out by PT Keong Nusantara Abadi and determine alternative methods of inventory control of raw material for the company.  This research use Material Requirement Planning (MRP) system.  MRP system has two ways to determine the order quantity called lot sizing decision.  Techniques for determining the quantity of order is Economic Order Quantity (EOQ), Lot for Lot (LFL), and Part Periode Balancing (PPB).  The technique of determining the order quantity that is best use by PT Keong Nusantara Abadi is EOQ which result in lower inventory cost than inventory control techniques by the company that is saved by 9%, 10%, 7,3% consecutively during 2015, 2016, and 2017.