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INDONESIA
Jurnal Penelitian Pertanian Terapan
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 All submitted articles will not be published elsewhere, original and not considered for other publications.
Arjuna Subject : -
Articles 13 Documents
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Search results for , issue "Vol 18, No 2 (2018)" : 13 Documents clear
Stability Results Of New Rice Pulses (Oryza sativa L.) F4 and F5 Sy, Yogi Pratama; Kartahadimaja, Jaenudin; Syuriani, Eka Erlinda
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (507.267 KB) | DOI: 10.25181/jppt.v18i2.1238

Abstract

The challenge for plant breeders can not be separated from the interaction effects between genotypes and the environment, where the tested strains show different results at each test site. Therefore, to know a strain or genotype that has a level of stability it is necessary to do the testing phase. The currently developed strains are RG1, RG2, RG3, and RG4. Currently the strains have entered the third generation. Furthermore, the four rice strains will be planted in the fourth generation and continued by the fifth generation. This research was conducted at Field Polytechnic of Lampung State of Lampung, Bandar Lampung on September 2015 - January 2016 planting F4 and January - May 2016 planting F5. The objective of this research is to obtain new strain of rice that is able to maintain the stability of the results by looking at the phenotypic appearance character and the potential yield that is planted on F4 and F5. The design used in this study is the design of split plot with main plot treatment using two generations (F) that is F4 and F5. While in sub plots using 4 new rice strains (G) are RG1, RG2, RG3, and RG4. Data were analyzed by LSD Test at 5% level. Stability analysis using Francis and Kenneberg (1978) models, by looking at the mean squares (Si2) and the Coefficient of Varians (CVi). From the result of observation of stability result of four rice strains in two different planting generations it can be concluded that the strains that exhibit phenotypic character and stable yield potential on F4 and F5 are RG1 and RG2. The strings showing potential unstable results on F4 and F5 are RG3 and RG4.
Effect of Kirinyuh Leaf Extract (Cromolaena odorata [L.] R.M. King & H. Rob) On Rice Paddy Growth (Oryza sativa L.) Variety of Mekongga in Drought Stress Condition Wahyuni, Sarti; Lande, Martha L.; Zulkifli, Zulkifli; Handayani, Tundjung T.
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (465.025 KB) | DOI: 10.25181/jppt.v18i2.1235

Abstract

The purpose of this research was to know whether kirinyuh leaf water extract could improve the growth of mekongga varieties rice paddy under the condition of drought stress.This research was conducted at Botanical Laboratory of Biology Department Faculty of Mathematics and Natural Sciences University of Lampung from September to October 2017. The research was conducted in a 3 x 2 factorial experiment. Factor A was Polyethylene glicol 6000 with 3 levels of concentration: 0% w / v, 15% w / v, and 30% w / v. Factor B was kirinyuh leaf water extract with 2 concentration levels: 0% w / v and 2% w / v. As parameters were the mean of shoots length, fresh weight, dry weight, and the relative water content of rice seedling. Levene test, analysis of vaiance, and Tukey test were performed at 5% significant level. The results showed that water extract of kirinyuh leaves had no significant effect on shoot length, fresh weight, and dry weight of rice seedling, but influenced the relatife water content of rice seedling. From the result of research it was concluded that kirinyuh leaf water extract can not improve the growth of Mekongga rice paddy varieties at drougth stress condition
Responses Of Kemiri Sunan (Reutealis trisperma) Seeds Germination To Chemical Scarification Atvarious Submersion Time In Sulfuric Acid (H2so4) Ismail, Ahmad Deni; Duryat, Duryat
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (297.946 KB) | DOI: 10.25181/jppt.v18i2.1236

Abstract

The duration of submersion and the level of acid concentration which are the decisive factors to succed the chemical scarification. The duration of submersion should be adjusted to the level of seed skin thickness, the level of acid concentration and the type of acid used. This study aimed to analyze the inmersion effect of kemiri sunan seeds in sulfuric acid solution to break the seed dormancy and to get the most effective time of submersion in order to break the dormancy of kemiri sunan seed. The experiment was conducted in the greenhouse for 2 months (62 days). The randomized complete design was employed as experimental method. There were 4 treament tested, i.e : (1) control (without immersion in H2SO4 solution); (2) immersion in H2SO4 solution for 10 minutes; (3) immersion in H2SO4 solution for 20 minutes and (4) immersion in H2SO4 solution for 30 minutes. The results of research showed that control gave the best results in term of the percentage of germination (G), mean daily gremination (MDG), and germination rate (GR).

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