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INDONESIA
Jurnal Agro
Published by Universitas Islam Negeri Sunan Gunung Djati Bandung
ISSN : -     EISSN : 24077933     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agro aims to provide a forum for researches on agrotechnology science to publish the articles about plant/crop science, agronomy, horticulture, plant breeding - tissue culture, hydroponic/soil less cultivation, soil plant science, and plant protection issues.
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 4, No 2 (2017)" : 6 Documents clear
Keragaman Karakter Morfo-Agronomi dan Keanekaragaman Galur- galur Cabai Besar (Capsicum annuum L.) Nur Indah Agustina; Budi Waluyo
Jurnal Agro Vol 4, No 2 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1608

Abstract

The objective of this research was to study the variability of morpho-agronomic characters, genetic distance, and genetic diversity of 39 chili pepper lines. The experiment was conducted from January until June 2017, in Agro Techno Park of Universitas Brawijaya, at Jatikerto, Malang Regency. This research was conducted by using randomized block design (RBD) with treatment of 39 chili pepper genotypes repeated two times. Observation was made on agronomic characters. The variability was analyzed by principal components analysis (PCA) with the approach of the Pearson correlation. Agglomerative hierarchical clustering (AHC) with the Pearson correlation coefficient of similarity and agglomeration method unweighted pair-group average was performed for lines grouping. Genetic diversity was obtained using Shannon index (H’) and Simpson index (D). The agronomic characters variability of chili pepper lines based on principal component analysis (PCA) was divided into 9 principal components  with cumulative variability value 82,59%. Genetic distance was divided into four main groups at coefficient of 91% -100%. Mantel test of genetic distance based on 24 qualitative and 18 quantitative characters showed a significant positive correlation coefficient (r = 0,173 and P <0,0001). Diversity index based Shannon index (H’) included category 1-3 showed that the level of diversity was medium, and based on Simpson index 0,39 showed a low level diversity. The percentage proportion of the abundance in four groups showed a variation. Group A had the highest abundance and group D was the lowest.
Daya Hambat Ekstrak Daun Sirsak, Kirinyuh, dan Rimpang Lengkuas terhadap Pertumbuhan Koloni Colletotrichum acutatum Ida Hodiyah; Elya Hartini; Amir Amilin; Moch Fauzian Yusup
Jurnal Agro Vol 4, No 2 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1373

Abstract

Several plants that are potentially used as bio-pesticides are soursop, siam weed, and galangal. The research objective was to find out the effectiveness of leaf extract of soursop and C. odorata, and extract of galangal rhizome in inhibiting the growth of Colletotrichum acutatum colonies, causing antracnose on chilli, in in vitro. The experiment was conducted in the laboratory of Agriculture Faculty, Universitas Siliwangi Tasikmalaya from July until August 2016. The research design used was a completely randomized design consisted of nine treatments and three replications. The treatments were A ( control); B (soursop leaf extract, 0,5%); C (soursop leaf extract, 1%); D (C. odorata leaf extract, 0,5 %); E (C. odorata leaf extract 1%); F (galangal rhizome extract 0,5%); G (galangal rhizome extract 1%); H (mixture of soursop leaf extract, C. odorata leaf extract, and galangal rhizome extract each 0,5%; and I (mixture of soursop leaf extract, C. odorata leaf extract, and galangal rhizome extract each 1%). The results showed that the mixture of each 1% soursop leaf extract, C.odorata leaf extract and galangal rhizome extract was effective in inhibiting the growth of C. acutatum colonies at 7 and 14 days incubation period by 66,19% and 69,94% respectively. The three extracts are potentials as anti-fungus of C. acutatum.
Keragaman Genetik dan Kekerabatan Genotip Kacang Bambara (Vigna subteranea L.) Lokal Jawa Barat Enceng Sobari; Noladhi Wicaksana
Jurnal Agro Vol 4, No 2 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1654

Abstract

Bambara groundnut (Vigna subteranea L.) is one of underutliized crops in Indonesia. Bambara groundnut is potential to be developed and can be utilized as an alternative food source in Indonesia. Bambara groundnut greatly varies and has a very wide area of adaptation. The experiment was conducted at the experimental field station at Ciparanje in Padjadjaran University. Starting on September 2014 until March 2015 with Randomized Block Design (RBD) and repeated two times. The research used 30 accessions originally from various locations in West Java (Bandung, Tasikmalaya, Garut, Sumedang, Bogor, Majalengka) and East Java (Lamongan, Madura). Genetic variability of Bambara groundnut landrace  in some West Java showed broad criteria on the characters fresh pod weight, dry pod weight, weight of 100 seeds, and weight per plot. Genotypes which had many similarities in some characters based on euclidian distance coefficient had close relationship.
Pertumbuhan dan Perkembangan Jaringan Meristem Bawang Merah (Allium ascalonicum L.) Kultivar Katumi Secara In Vitro Lamro Purba; Erni Suminar; Denny Sobardini; Wieny Rizky; Syariful Mubarok
Jurnal Agro Vol 4, No 2 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1344

Abstract

This study aimed for knowing and obtaining the best concentration of kinetin and NAA interaction effects in influencing the shoot induction, knowing how the plant growth regulators in induction mediastill affect the shoot additionin the MS0media and also knowing the largest number of roots in rooting media for shallot by in vitro. The experiment was conducted at Laboratory of Tissue Culture Seed Technology, Faculty of Agriculture, Padjadjaran University, during January 2011 until May 2011. This experiment divided in 3 stages, namely shoot induction stage, shoot subculture to MS0 media stage and shoot subculture to rooting media stage. Experimental method used in the shoot induction stage was factorial Completely Randomized Design with three replications. The first factor was the kinetin with four levels,0, 1, 2, and 3 mg L-1. The second factor was the NAA with three levels, as 0, 0.01, and 0.1 mg L-1. Basic media used for each treatment was MS. The experiment result showed there was an interaction between kinetin and NAA on shoot induction stagewith the plantlet height, leaf number, and shoot addition. The best result for leaf number was gained from interaction with 2 mg L-1 kinetin without NAA,while the treatment of 2 mg L-1 kinetin with 0.01 mg L-1 NAA gave a better interaction for theshoot addition variable.
Penampilan Agronomis dan Pendugaan Parameter Genetik 100 Galur Padi Generasi Lanjut pada Kondisi Cekaman Kekeringan Wage Ratna Rohaeni; Untung Susanto
Jurnal Agro Vol 4, No 2 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1562

Abstract

The condition of rice field without any irrigation is one of the problems in the rainfed land. This rice field only relies on the existence of water during the rainy day. This causes the limitation of water availability which affect plant growth. This study aimed to know the performance of the rice advance lines, estimated the value of genetic parameters and obtains the best line on drought condition. As many as 100 advance lines (> F8) for drought tolerant were tested using Augmented Design in five blocks. A total of six-check varieties were included in the experiment. The research was conducted at Dry Season of 2015 in ICRR-Sukamandi Experimental Field. The result showed that on the drought condition gained the average value for plant height as 103,44 cm, number of productive tillers as 12 tillers, percentage of filling pine grains reached 60,46%, leaf color index as 39,37, and weight of 1.000 grains averaged as 26,34 g, while weight grain per 5 clumps as 166,34 g. Yield trait was converted to hectares as 3,77 t ha-1 in drought conidition. Almost all characters had wide variability, high heritability values and high percentage of expected genetic advance except the number of filling grains per panicle trait. Lines BP17572c-SBY-1-CRB-2-SKI-1-3-PWK-2, ZX115-SKI-0-IND-2-SKI-1-PWK-2, BP30104e, BP17572c-SBY-1-CRB-2 -SKI-1-4-PWK-2, and BP17554-1c-SBY-1-CRB-8-SKI-1-6-PWK-2 provided the best performance with higher yield potential than the best check i.e. Inpari 13. There are ten promising lines which can be continued to the preliminary test for the assembly of rainfed rice varieties
Kerentanan dan Kerusakan Beras terhadap Serangan Hama Pascapanen Sitophilus zeamais L. (Coleoptera: Curculionidae) Hendrival Hendrival; Eva Mayasari
Jurnal Agro Vol 4, No 2 (2017)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/1616

Abstract

Damage on rice during storage including damage on quantity and quality is caused by Sitophilus zeamais. The study aim was to evaluate the susceptibility and damage of rice from various rice varieties to the attacks of S. zeamais. Types of rice used in the research were varieties of IR64, IR65, IR66, Ciherang, Mekongga, Rojolele, and Sintanur. The method was with no-choice assay with observed variables were F1 progeny number, the median of development time and rice damage. The results showed that the rice type had different levels on susceptibility to S. zeamais. Rice from IR65, Mekongga, Rojolele, and Sintanur varieties were classified as moderate to susceptible varieties, while IR64 and IR66 were classified as moderate varieties and Ciherang was classified as susceptible variety. A high rice damage occured in the type of rice classified of susceptible to S. zeamais. There was a significant negative correlation between susceptibility index of rice with dimensions of rice width (r = -0.75*, P <0.05) and median of development time of S. zeamais (r = -0.78*, P <0.05) and positive correlation with number of F1 S. zeamais (r = 0.86**, P <0.01) and the percentage of rice powder (r = 0.71**, P <0.01). Rice that is easily attacked by postharvest pest insects should not be stored for long period of time.

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