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Jurnal Penelitian Pertanian Terapan

JPPT
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Published by Politeknik Negeri Lampung

ISSN : 14105020 EISSN : 24071781 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Jurnal Penelitian Pertanian Terapan is a peer-reviewed journal that publishes scientific articles from agricultural disciplines covering Plantation crops, Food crops and horticulture, food Technology, Agriculture biology and agribusiness. Articles published in the Journal of Applied Agriculture may be research results (original) and scientific review articles (review). Applied Journal of Agriculture is published by Research Unit and Community Service of Lampung State Polytechnic Society 3 edition one year, that is January, May, and September. JPPT was first published in January 2000. JPPT published a print version in 2007, then started the online version or Open Journal System (OJS) in 2014. Early online versions of JPPT or OJS editing have not yet been fully implemented online management and are beginning to make improvements Web Journal view and journal cover and OJS governance management on Volume 2 No. 2 of 2017. JPPT has been indexed on Google Scholar and Garuda IPI by 2015, and by 2017 it has indexed SINTA and registered DOAJ and Crossref in the same year. We accept submissions from all over Indonesia. All submitted articles will not be published elsewhere, original and not considered for other publications.

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Search results for , issue "Vol 18, No 1 (2018)" : 13 Documents clear

Adaptasi Bibit Teh (Camellia Sinensis L.) Dataran Rendah Berbasis Karakter Fisiologis dan Pertumbuhan pada Suhu Suboptimal Gusta, Adryade Reshi; Syofian, Mirodi; Supriyatdi, Dedi
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

Usaha untuk meningkatkan produksi teh secara kualitatif dan kuantitatif terus dikembangkan.Â Adaptasi adalah salah satu cara penyesuaian yang dilakukan untuk mengatasi perubahan iklim dan mengurangi risiko kegagalan produksi tanaman melalui perbaikan tanaman, perbaikan tanah, dan perbaikan lingkungan (naungan). Tujuan penelitian ini adalah menentukan jenis klon dan dosis kompos kiambang yang terbaik untuk pertumbuhan dan karakter fisiologis tanaman teh dataran rendah. Penelitian ini menggunakan rancangan acak kelompok (RAK) berpola faktorial, yang terdiri atas 2 faktor yaitu klon unggul teh (T) dan dosis kompos kiambang (K), yang diulang sebanyak 3 kali.Â Faktor I adalah klon unggul teh (G), yang terdiri atas dua (2) taraf, yaitu: Gambung 6 (G1) dan Gambung 7 (G2).Â Faktor II adalah dosis kompos kiambang (K), yang terdiri atas empat (4) taraf, yaitu: top soil 100% (K0), top soil dan kompos kiambang dengan perbandingan 1 : 1n (K1), top soil dan kompos kiambang dengan perbandingan 2 : 1 (K2), dan top soil dan kompos kiambang dengan perbandingan 3 : 1 (K3).Â Analisis data dilakukan dengan sidik ragam (uji F) pada taraf nyata 5%, dan jika terdapat perbedaan pengaruh yang signifikan, dilanjutkan dengan menggunakan uji BNT dengan taraf nyata 5%.Â Hasil pengamatan menunjukkan bahwa klon Gambung 7 dan media tanam topsoil dikombinasikan dengan kompos kiambang (1:1)Â menghasilkan pertumbuhan tinggi bibit dan bobot kering brangkasan yang lebih baik dibandingkan dengan Gambung 6.

PENGARUH UKURAN PARTIKEL KOPI BUBUK PADA PROSES DISKRIMINASI KOPI DEKAFEINASI MENGGUNAKAN METODE UV-VIS SPECTROSCOPY DAN PLS-DA Yulia, Meinilwita; Asnaning, Aniessa Rinny; Suhandy, Diding
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

Pada penelitian ini dilakukan evaluasi terhadap pengaruh ukuran partikel kopi bubuk pada proses diskriminasi kopi bubuk dekafeinasi dan non-dekafeinasi menggunakan metode UV-VIS spectroscopy dan PLS-DA. Pengambilan spektra sampel larutan kopi yang sudah disaring dan diencerkan dilakukan dengan menggunakan UV-VIS spectrometer (Genesysâ¢ 10S UV-Vis, Thermo Scientific, USA). Untuk mengetahui dan mengevaluasi pengaruh ukuran partikel sampel kopi bubuk terhadap proses diskriminasi kopi dekafeinasi maka model PLS-DA dibuat untuk dua tipe model yaitu model PLS-DA lokal dan model PLS-DA global. Hasil menunjukkan bahwa model PLS-DA global mampu memprediksi jenis kopi dengan nilai RMSEP yang rendah untuk semua ukuran mesh (RMSEP= 0 0.077 untuk mesh 40, RMSEP= 0.049 untuk mesh 50 dan RMSEP= 0.115 untuk mesh 70). Untuk model PLS-DA lokal hanya mampu memprediksi dengan baik jenis kopi pada ukuran mesh yang sama dengan mesh sampel kalibrasi. Hal ini menunjukkan adanya pengaruh ukuran mesh terhadap hasil PLS-DA yang sangat signifikan.Â Â

Analisis Karakteristik Kimia Tepung Kasava dari Ubikayu Varietas Klenteng dan Casessart (UJ5) Novitasari, Erliana; Arief, Ratna Wylis
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

The technology of cassava flour modification has been researched and developed. Biological change by using BIMO-CF containing lactic acid bacteria is a practical technology that is easy to apply in the production of cassava flour. This research was conducted from May until August 2017 at Agrosains Park Natar with the aim to know the chemical characteristics of cassava flour from Klenteng and Casessart varieties. Observation parameters included analysis of moisture content, ash content, fat content, protein content, fiber content, total carbohydrate content, starch content, HCN content, and white degree at THP Polytechnic State Laboratory of Lampung. The results showed that the highest yield was produced by cassava flour from casessart variety with the addition of BIMO-CF were 23.11%. The water content of cassava flour produced ranged between 8.02-9.19%, by the quality requirements of SNI. The lowest ash content was cassava flour from casessart variety (1.19%) without the addition of starter. The addition of starter increased the protein content of cassava flour both of Klenteng variety (0.47%) and Casessart variety (1.11%), decreasing the fiber content for Klenteng variety (0.67%) and Casessart variety (0.90%). The amount of fat contained in cassava flour produced ranged from 0.69 to 0.87%. Carbohydrate content (Klenteng variety was 88.49%, and Casessart variety was 87,69%) and starch content (Klenteng variety was 85,98%, and Casessart variety was 84,83%), cassava flour with the addition of starter higher than cassava flour without the addition of starter. All of the cassava flour produced has HCN levels below the maximum limit (0.0216-0.0293%), while the degree of white (> 80%) has not met the quality requirements of SNI.

HUBUNGAN ANTARA KANDUNGAN PATI RESISTEN DAN KUALITAS TANAK BERAS SIGER (TIWUL MODIFIKASI) Hidayat, Beni; Muslihudin, M.; Akmal, Syamsul
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

Pati resisten merupakan fraksi pati yang tidak dapat terhidrolisis oleh enzim-enzim pencernaan pada usus halus dan diklasifikasikan sebagai senyawa prebiotik. Peningkatan kandungan pati resisten hingga jumlah tertentu pada Beras Siger (tiwul modifikasi) akan menurunkan karakteristik kualitas tanaknya. Penelitian bertujuan mengkaji hubungan antara kandungan pati resisten dan kualitas tanak Beras Siger (kepulenan, tekstur, dan rasa). Peningkatan kandungan pati resisten pada Beras Siger dilakukan melalui penerapan siklus pemanasan-pendinginan, melalui tahapan pengukusan, pendinginan hingga suhu kamar, dilanjutkan dengan pendinginan pada suhu 4oC selama 0 jam/kontrol, 12 jam, 24 jam, 36 jam, dan 48 jam. Hasil penelitian menunjukkan bahwa peningkatan kandungan pati resisten hingga konsentrasi ≤ 10% (9.85%) akan meningkatkan karakteristik kualitas tanak Beras Siger untuk seluruh skor organoleptik yaitu kepulenan (7,15 menjadi 8.2), tekstur (7.05 menjadi 8.35), dan rasa (6.95 menjadi 8.15); sebaliknya peningkatan kandungan pati resisten pada konsentrasi lebih dari 10% akan menurunkan karakteristik kualitas tanak Beras Siger untuk seluruh skor organoleptik yaitu kepulenan (7.15 menjadi 6.8), tekstur (7.05 menjadi 6.6), dan rasa (6.95 menjadi 6.4).

Efektivitas Beberapa Isolat Trichoderma Sp. Terhadap Keterjadian Penyakit Bulai yang Disebabkan oleh Peronosclerospora maydis dan Pertumbuhan Tanaman Jagung (Zea mays) Ivayani, Ivayani; Faishol, Faris; Prasetyo, Joko; Nurdin, Muhammad
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

Corn (Zea mays) is one of the important cereals crops as the source of food, animals feed or energy. The corn produces has decreased by year to year. One of the factors that decreased the corn produces is downy mildew. Downy mildew desease caused by Peronosclerospora maydis fungi that decreased the production until 90%. Application of antagonistic fungi is one of the alternative control. Trichoderma spp. is one of the antagonistic fungi that can suppress growth of another fungus. Trichoderma spp. is saprofit soil microorganism that naturally attacks pathogen fungi and has benefits for plant growth. This research was aimed to know the effect of some isolates of Trichoderma spp. for diseases of downy mildew and the effect for the plant growth. Treatments were prepared with Randomized Complete Block (RCB) with 7 treatments and 4 repetitions. The treatments consist are P0 (control), P1 (application Trichoderma viride isolate GDR), P2 (application Trichoderma harzianum isolate TRJ), P3 (application Trichoderma harzianum isolate TGN), P4 (application Trichoderma viride isolate NTF), P5 (application Trichoderma longibrachiatum isolate GRP) and P6 (application Trichoderma viride isolate KLN). The results of this research were Trichoderma viride isolate GDR, Trichoderma harzianum isolate TGN, Trichoderma viride isolate NTF and Trichoderma viride isolate KLN can be suppressed the disease incidence of downy mildew, but unaffected for the plants growth.

Karakter Agronomi dan Potensi Hasil 10 Genotipe Padi Tipe Baru pada Dua Lingkungan Tumbuh Berbeda Dulbari, Dulbari; Sa’diyah, Nyimas; Kamal, Muhammad; Tianigut, Gut
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

The purpose of this study was to evaluate the agronomic characters and yield potential of ten new plant type (NTP) of rice genotypes planted on two different agroecologies. The study was done in East Lampung (Ultisols soil type, altitude 60 m asl, and average daily temperature 26,86°C) and Tanggamus (Andisols soil type, altitude 600 m asl, and average daily temperature 24.15°C) in January—Juni. The research was arranged in randomized complete block design (RCBD) with 12 treatments and 3 replications. The treatment consisted of 10 new type of rice genotypes, i.e., IPB 3S, IPB 4S, IPB 5R, IPB6R, IPB117-F-7-2-1, IPB 117-F-7-7- 1, IPB 117-F-14-4-1, IPB 117-F-15-4-1, IPB 117-F-20-1-1, IPB 117-F-80- 2-1, and two varieties, i.e., Ciliwung and Ciherang as control. The results showed that all NPT genotypes had lower number of tillers but the hill height were taller than the Ciliwung and Ciherang varieties. Eight genotypes had a faster harvesting time, and one genotype had a higher yield than two control varieties.

Eksplorasi dan identifikasi Jamur Patogen Serangga di Rhizosfer Lahan Kering Kabupaten Malang Agastya, I Made Indra; Ameliawati, Presti; Fikrinda, Wahyu
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

This research was conducted by exploring insect pathogen in rhososphere of dry field of sugar cane of Malang Regency. The purpose of this research is to study the diversity of isolate insect pathogen in rhososphere of sugar cane plant in dry land of Malang Regency. Exploration activities of insect pathogens are carried out by isolating insect pathogens in dry land of sugarcane plant rhizosphere. Rizosphere soil sampling method using composite sampling technique is by taking diagonal soil samples at five points as deep as 5-10 cm, as much as 200 g at each sample point and isolation of insect pathogen type fungus using baiting method. The soil samples from the field were placed evenly over the petri dish. The soil above the petri dish is moistened and then the larvae of T miltor are placed for incubation for 48 hours. After 48 hours of dead larvae there will be a sign of an insect pathogenic fungus in the form of white hyphae on the surface of the T milter body. The marked larvae were then cultured on PDA media to be purified and identified morphologically, by looking at the color of hyphae. Observation miscroscopically using Burnet and Hunter determinations. Exploration and identification results found four specimens of fungi with Aspergilus sp species, Trichoderma sp, Beuveria sp, and Metharizium sp

Dekafeinasi Menggunakan Metode Ultraviolet-Visible Spectroscopy dan PLS-DA Yulia, Meinilwita; Asnaning, Aniessa Rinny; Suhandy, Diding
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

This present research is an application of UV-VIS spectroscopy and SIMCA method to distinguish robusta ground roasted coffee from Sumatera and Java. Spectral data measurement of the filtered and diluted aqueous coffee samples was performed using a UV-VIS spectrometer (Genesys ™ 10S UV-Vis, Thermo Scientific, USA). SIMCA model was constructed for each class, SIMCA model of Sumatera robusta coffee and SIMCA model of Java robusta coffee. Prediction results show that all predictive samples are successfully grouped correctly according to their classes using the developed SIMCA model, except for S14aPA sample that fail to be classified as robusta coffee of Sumatra. Based on the results of the discriminant power plot analysis, it is concluded that in general the contribution of wavelengths between 200-350 nm is higher than that of the wavelength between 350-600 nm. Several wavelengths with very high contribution (high discriminant power value) and seen as peaks on the plot are 245 nm, 253 nm, 264 nm, 316 nm and 327 nm.

KELAYAKAN FINANSIAL USAHA PENGOLAHAN UBI KAYU MENJADI TIWUL INSTAN DI KABUPATEN LAMPUNG TIMUR. Mardliyah, Ainul; Supriyadi, Supriyadi
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

Penelitian ini bertujuan untuk : 1) Mengetahui kelayakan usaha pengolahan ubi kayu menjadi tiwul instan (KWT Tani Hidup) di Desa Wonosari Kecamatan Pekalongan Kabupaten Lampung Timur, 2) Mengetahui pendapatan pengolahan ubi kayu menjadi tiwul instan (KWT Tani Hidup) di Desa Wonosari Kecamatan Pekalongan Kabupaten Lampung Timur. Metode yang digunakan untuk tujuan pertama menggunakan analisis finansial seperti NPV, IRR, Payback Period (PP), Net B/C Ratio, dan BEP. Untuk tujuan kedua menggunakan analisis pendapatan. Lokasi penelitian di KWT Tani Hidup Desa Wonosari Kecamatan Pekalongan Kabupaten Lampung Timur. Hasil penelitian dapat disimpulkan sebagai berikut : 1) Usaha pengolahan ubi kayu menjadi tiwul instan (KWT Tani Hidup) di Desa Wonosari Kecamatan Pekalongan Kabupaten Lampung Timur sudah layak dikembangkan dan menguntungkan bila dilihat dari kelayakan finansial, yaitu: Dari sisi Net Present Value (NPV), usaha layak dengan nilai NPV positif yaitu sebesar Rp 38.118.538, Internal rate of return (IRR) sebesar 98%, Gross Benefit Ratio (Gross B/C) sebesar 1,71, Net B/C sebesar 3,92, Profitability ratio (PR) sebesar 1,69, Payback period (PP) sebesar 0,1, dan BEP sebesar 1,31. 2) Pendapatan usaha tiwul instan (KWT Tani Hidup) di Desa Wonosari Kecamatan Pekalongan Kabupaten Lampung Timur dalam satu bulan sebesar Rp. 4.460.083/bulan.

Analysis of Chemical Characteristic of Casava Flour from Klenteng and Casessart (UJ5) Varieties Novitasari, Erliana; Arief, Ratna Wylis
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

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