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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 All submitted articles will not be published elsewhere, original and not considered for other publications.

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Articles 8 Documents

Search results for , issue "Vol 16, No 2 (2016)" : 8 Documents clear

Pengaruh Pemaparan Medan Magnet Pada Media Mandels Yang Dimodifikasi Terhadap Pertumbuhan Dan Aktivitas Enzim Selulase Bacillus Sp. hernawati, wayan; sumardi, sumardi; agustrina, rochman; yulianto, herman
Jurnal Penelitian Pertanian Terapan Vol 16, No 2 (2016)
Publisher : Politeknik Negeri Lampung.

Enzymes can undergo structural changes due to various environmental factor such as pH,temperature, electricity and magnetic fields. The purpose of this study was to investigate theeffect of magnetic field strength and duration of exposure to the modified of media Mandelsused as a culture medium of Bacillus sp. on the growth and activity of cellulase enzyme fromthe bacterium Bacillus sp. Factorial study group were prepared using the method of fullrandomized design (RKLT). The first factor is the strong magnetic field consists of 4 levels ofmagnetic field strength treatment: 0 mT; 0,1 mT; 0,2 mT; 0.3 mT. The second faktor is theprolonged exposure consisting of 4 levels prolonged exposure treatments 0, 10, 20, 30minutes. each unit treatment was repeated 3 times. The results showed that exposure tomagnetic fields on modified of media Mandels causes a decrease in the relative activity ofthe enzyme cellulase and relative growth of Bacillus sp.Keywords: cellulase enzyme, magnetic field, Mandels modification, Bacillus sp.

Pengaruh Aminoethoxyvinylglycine (Avg), Plastic Wrapping Dan Suhu Simpan Terhadap Masa Simpan Dan Mutu Buah Jambu Biji (Psidium Guajava L.) â€˜Mutiaraâ€™ Widodo, Soesiladi E.; Hidayat, Kuswanta F.; Zulferiyenni, Zulferiyenni; Annisa, Sherly I.
Jurnal Penelitian Pertanian Terapan Vol 16, No 2 (2016)
Publisher : Politeknik Negeri Lampung.

The research was aimmed at studying the effects of (1) single application AVGs,plastic wrappings, and storage temperatures, (2) interactions among AVGs andplastic wrappings, AVGs and storage temperatures, and plastic wrappings andstorage temperatures, and (3) interactions among AVGs, plastic wrappings, andstorage temperatures in extending fruit self-life and maintain qualities of?Mutiara?guava fruits. The research was arranged in a completely randomized designin 2 x 2 x 2 factorial with three replications. The first factor was AVGs (with 1,25ppm and without AVG), the second factor was plastic wrappings (without and withone layer of plastic wrapping), and the third factor was storage temperature (a coldtemperature of 21, 53 ºC and a room temprature of 26,57 ºC). The result showed that(1) the application of AVG 1,25 ppm did not significantly affect fruit self-life, fruitfirmness, fruit weight loss, ºBrix, acid contens, and sweetness of ?Mutiara?guava?fruits, (2) storage at cold temprature of 21, 53 ºC did not significantly affect fruit self-life, fruit firmness, fruit weight loss, ºBrix, acid contens, and sweetness of?Mutiara?guava? fruits, (3) the application of plastic wrapping was able to extend fruitself-life by 17 days longer than without plastic wrapping and supressed fruit weightloss of ?Mutiara?guava, but accelerated softening and not able to maintain ºBrix, andalso did not significantly affect acid contens, and sweetness of ?Mutiara?guava fruits,(4) there were no interaction effects among AVGs with plastic wrappings, AVGs withcold tempratures, and plastic wrappings with cold tempratures on self-life, fruitfirmness, fruit weight loss, ºBrix, acid contens, and sweetness of ?Mutiara?guavafruits, and (5) there were no interaction effects among AVGs, plastic wrappings, andcold temperatures on fruit self-life, fruit firmness, fruit weight loss, ºBrix, acidcontens, and sweetness of ?Mutiara? guava fruits.

Keragaman Fenotipe dan Heritabilitas Kedelai (Glycine max [L.] Merril) Generasi F6 Hasil Persilangan Wilis X Mlg2521 Kusuma, Ridwan; Sa?diyah, Nyimas; Nurmiaty, Yayuk
Jurnal Penelitian Pertanian Terapan Vol 16, No 2 (2016)
Publisher : Politeknik Negeri Lampung.

Soybean consumption here in Indonesia continues to increase each year that is notaccompanied by an increase in soybean production. One way to increase soybeanproduction by using improved varieties. The purpose of this study were (1) Estimating thevalue of the diversity of phenotypes soy F6 generations from crosses between Wilis x Mlg2521,(2) Estimating the heritability estimates soybean F6 generations from crosses Wilis x Mlg2521,(3) Know the numbers expectation of F6 generation crosses Wilis x Mlg2521. The researchwas conducted from March 2014 until June 2014 at the Land Lab Lampung StatePolytechnic and observations made in Laboratory of Seed and Plant Breeding, University ofLampung. Soybean seeds used were F6 generation zuriat from Wilis x Mlg2521, Wilis andMlg2521. The treatment laid out in a randomized block design, 2 replications. The resultsshowed that (1) The diversity of phenotypes population F6 for characters date of flowering,harvesting age, plant height, number of productive branches, total number of pods plant,weight of 100 grains, grain weight plant and number of seeds plant including all the broadcriteria, (2) The value of heritability estimates the population F6 for characters date offlowering, harvesting age, plant height, number of productive branches, total number ofpods plant, weight of 100 grains, grain weight per plant and number of seeds plantbelonging to the high criteria, (3) Number expectations of the population F6 is 7-64-1-8 and7-64-1-3.Keywords: heritability, phenotypic variance, soybean

Pemanfaatan Jagung Manis Dan Kulit Buah Naga Untuk Olahan Mie Kering Kaya Nutrisi Analianasari, Analianasari; Zaini, Muhammad
Jurnal Penelitian Pertanian Terapan Vol 16, No 2 (2016)
Publisher : Politeknik Negeri Lampung.

The research was aimmed at studying (1) Determine the percentage of wheat flour,sweet corn and skin dragon fruit right in the manufacture of dry noodles that can beaccepted by consumers, and (2) Determine the influence of addition of sweet corn andrind of a dragon on the content of moisture, ash, protein, and preferences ofconsumers towards the parameters of color, flavor, elasticity, and sensory overall.The method used in this study is a factorial experimental design with two factors,namely the substitution treatment of sweet corn pasta and red dragon fruit skinextracts of the flour. Substitution of sweet corn used is 10%, 20% and 30%. Mediumaddition of dragon fruit peel extract of 5%, 10% and 15%. Each experiment carriedrepeat 3 times, so it will be acquired unit (unit) trial were 9 units trial. The dataobtained were tested with the test Barlett diversity and additional data with Tuckeytest. Furthermore, to see the value of the middle test treatment Significant Difference(LSD) at 5% level. The resulting dried noodles then analyzed the water content, ashprotein, the overall sensory test. Results from the study if seen from the test sensorypreferences overall, generally panelists prefer the treatment of sweet corn and dragonfruit with a concentration of 20%, 15% better than the taste, color and elasticity ofnoodles, while from the nutritional content of dried noodles sweet corn and dragonfruit SNI is in conformity with dry noodles.Keywords: Sweet corn, dragon fruit peel, dried noodles

Karakteristik Iklim Mikro Dan Produksi Jagung Manis Pada Beberapa Sistem Tanam Wentasari, Risa; Sesanti, Rizka Novi
Jurnal Penelitian Pertanian Terapan Vol 16, No 2 (2016)
Publisher : Politeknik Negeri Lampung.

The purpose of this study was to determine the characteristics of the micro-climate(temperature, humidity, and light intensity) and the production of sweet corn on a sigle row,doble row, twin row, and Twin seed planting system. This study was conducted in anexperimental garden of Politeknik Negeri Lampung, Hajimena South Lampung, in July-September, 2015. This study is based on randomized block design with one factor croppingsystem consists of 4 treatment ie : Sigle Row (SR) (20cm x 75cm), Doble Row ( DR ) (20cm x20cm x 80 cm), Twin Row (TR) (20cm x 10cm x 80 cm) , and Twin Seed (TS) with plantSpacing (40cm x 75cm 2 seed in one planting hole). Parameter observations of this studyconsisted of (1) micro-climate (temperature (oC), relative humidity (RH %) and Interceptionof Light (%) ) and (2)production (corn length (cm) , corn diameter (m ) and Corn weights(grams). The data were analyzed using the F test at 1 % and 5 % level and than followed bytest BNT. The conclusion of this study were (1) The characteristics of the microclimate : a)There is a noticeable difference in the temperature of the top of the current crop of 4 mst andat 9 mst there is a significant difference in the temperature of the bottom , where SR has adifferent temperature involves the other b) All systems planting has a relative humidity (%)were not significantly different , and c ) there is a difference light interception ( % ) duringthe day when 4 mst , where the twins seed has a light interception is different from othertreatments and there is a difference light interception during 9 mst where sigle row has adifferent light interception to other treatments. (2) The production of sweet corn on thetreatment SR, DR, TR and TS were not significantly different and has a weight of corn (SR =354.8 grams, DR = 316.5 grams, 328.5 grams TR and TS = 325.4 grams) same withdescription bonanza varieties (270-300 grams).Keywords : Cropping Systems , Micro Climate , Production

Uji Senyawa Taurin Sebagai Antikanker Terhadap Jumlah Sel-Sel Leukosit Dan Sel-Sel Eritrosit Mencit (Mus musculus L.) yang Diinduksi Benzo (Î‘) Pyren Secara In Vivo Maysa, Agra; Widiastuti, E. L.; Nurcahyani, N.; Busman, H.
Jurnal Penelitian Pertanian Terapan Vol 16, No 2 (2016)
Publisher : Politeknik Negeri Lampung.

The aim of this research was to determine the effect of taurine supplementation on the totalcount of leucocyte cells and erythrocyte cells of mice that have been induced to benzo (?)pyrene in vivo. The parameters of this experiment were the total count of leucocyte cells anderythrocyte cells of mice (Mus musculus L.). This experiment was conducted in a completerandomized design by using six treatments, each in five replications. The mice were dividedinto six groups. Group I used as control were not given any treatment. Group II were given0,2 mL of oleum olevarum (olive oil) orally to the end of the experiment. Group III wereinduced to benzo (?) pyrene without being given any taurine. Group IV were given 7,8mg/bw of taurine before being induced to benzo (?) pyrene. Group V were given 7,8 mg/bwof taurine after being induced to benzo (?) pyrene. Group VI were given 15,6 mg/bw oftaurine after being induced to benzo (?) pyrene. Mice of group III, V, and VI were injectedwith 0,5 mL of benzo (?) pyrene solution every day for 10 days on their subcutant tissue forthe purpose of a nodule being formed in this area. It was then continued by giving taurineorally for 15 days. In the final treatment, mice blood was taken to count the leucocyte cellsand erythrocyte cells. The data were analyzed using ANOVA (Analysis of Variance) thencontinued by calculating least significant difference at 5 per cent level of significance. Theresults indicated that taurine had the ability to reduce leucocyte cells into its normalquantity, and was able to increase the number of erythrocyte cells of mice suffered fromleukaemia back to normal.Key words: benzo (?) pyrene, leukaemia, leucocyte, mice , taurine

POTENSI KUANTITATIF DAN KUALITATIF 10 GALUR UNGGUL BARU PADI JENIS PANDAN WANGI Kartahadimaja, Jaenudin; Syuriani, Eka Erlinda; Apriyani, Marlinda
Jurnal Penelitian Pertanian Terapan Vol 16, No 2 (2016)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v16i2.102

Rice is a staple food that is very dominant for Indonesia. Production of rice in 2014 asmany as 70,85 million tons of milled rice, 0,61% lower than production in 2013. Oneway to increase production is the use of high yielding varieties. Polinela have toassemble ten new rice lines Pandan wangi species which have superior appearance.The research goal is to test the potential yield and quality of rice ten new rice strains.The study was conducted in Polinela for 6 months. The study was conducted usingRandomized Completely Block Design ( RCBD ).The treatment consisted of ten strainsof rice, is repeated three times. The variables measured were (1) dry milled grainyield per hectare; (2) the levels of amylose and amylopectin. Qualitative variablesmeasured were the texture and the smell of ricewith organoleptic method. Quantitativedata were analyzed by analysis of variance, if there is a difference between thetreatment continued with Test Honestly Significant Difference (HSD) on the real levelof 0.05. Heritability of quantitative variables were observed calculated to estimatewhether the variable-variable controlled bygenetic factors or environment?The resultsshowed the new rice lines Polinela assemblies have a range of potential outcomes ofmilled rice ( GKG ) between 6.47 to 9.79 tonnes/ha,amylose content is low tomoderate, very fluffier texture until fluffier rice.Keywords: yield potential, new rice strains

PENGARUH ABU DAN PROPORSI PASIR-KOMPOS DI DALAM MEDIA PADA PERTUMBUHAN TANAMAN SORGUM (SORGHUM BICOLOR L.) rahmadi, Andrian isro; Handayan, Tundjung Tripeni; Lande, Martha L
Jurnal Penelitian Pertanian Terapan Vol 16, No 2 (2016)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v16i2.101

The aim of this experiment was to determine the effect of the addition of ash and sand-compost proportion in the media on the growth of sorghum (Sorghum bicolor L.). Theexperiment was conducted on December 2015 to January 2016 in the Botanical Laboratory,Biology Department, Faculty of Mathematic and Natural Science, Lampung University, andwas conducted in a complete randomized design by using two treatments. The first treatmentwas the addition of ash in two equivalents (with and without ash), the second treatment wasthe addition of sand-compost proportion in four equivalents (2 kg of sand, 1¾ kg of sand +¼ kg of compost, 1½ kg of sand + ½ kg of compost, 1¼ kg of sand + ¾ kg of compost). Theobserved variables of the growth were the number of the roots, the crown?s length, the wetweight, and the dry weight. The number of the roots was determined by observing thenumber of the roots present at the base of the stalk of each plants. The length of the crown(cm) was determined by measuring it from the stalk?s base to the edge of the longest leaf.The wet weight (g) was determined by measuring the whole part of the plant using ananalytical balance. The dry weight (g) was measured after the plants were stored in an ovenfor three hours in the temperature of 70o-80oC. The result showed that the best growth wasobtained from the media with the sand equivalent of 1¼ kg of sand added with ¾ kg ofcompost without ash.Key words: Ash, compost, growth of sorghum (Sorghum bicolor L.), sand

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