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AGRIVITA, Journal of Agricultural Science
Published by Universitas Brawijaya
ISSN : 01260537     EISSN : 24778516     DOI : https://doi.org/10.17503
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
AGRIVITA Journal of Agricultural Science is a peer-reviewed, scientific journal published by Faculty of Agriculture Universitas Brawijaya Indonesia in collaboration with Indonesian Agronomy Association (PERAGI). The aims of the journal are to publish and disseminate high quality, original research papers and article review in plant science i.e. agronomy, horticulture, plant breeding, soil sciences, plant protection and other pertinent field related to plant production. AGRIVITA is published three times per year. The Journal has been indexed in SCOPUS, Scimago Journal Ranks (SJR), Emerging Source Citation Index ( ESCI-Web of Science), EBSCO, ProQuest, Google Scholar and others international indexing. AGRIVITA is accredited first grade (Sinta 1/S1) for five years (2018-2023) based on Decree No: 30/E/KPT/2018 by Ministry of Research, Technology and Higher Education (Ristek Dikti), The Republic of Indonesia. We accept submission from all over the world. All submitted articles shall never been published elsewhere, original and not under consideration for other publication.
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Articles 20 Documents
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Search results for , issue "Vol 41, No 1 (2019)" : 20 Documents clear
Effects of Moisture Level on Nitrogen Availability in Tropical Peat Soil Cultivated with Oil Palm (Elaeis guineensis Jacq.) Mohd Rizal Ariffin; Osumanu Haruna Ahmed; Isharudin Md Isa; Mohd Nizar Khairuddin
AGRIVITA, Journal of Agricultural Science Vol 41, No 1 (2019)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i1.2007

Abstract

Nitrogen release from soil is controlled by the soil moisture. Soil incubation was conducted to evaluate the effect of different moisture condition (75 %, 100 % and 150 %) on water holding capacity and fluctuating conditions between (150 % and 100 % water holding capacity) after application of urea and without urea addition. Ammonium and nitrate released were measured periodically over 70 days of incubation. Net mineralization and nitrification were measured at the end of the incubation period. Potential nitrification rate (PNR) was measured at the start and the end of incubation period. The results showed that the dynamics of NO3- did not show significant change with increased soil moisture without addition of urea. This results indicated nitrification in peat soil needed reactive N supply (urea) regardless of soil moisture conditions. Addition of urea increased the PNR ranging from 27.91 to 55.10 % compared to without urea. Fluctuating moisture condition with urea addition increased PNR by 21.82 % compared with a waterlogged condition. However, increasing soil moisture condition resulted in lower nitrate and PNR which reflect that soil moisture controlled the magnitude of PNR when urea was added.
Inclusive and Ecologically-Sound Food Crop Cultivation at Tropical Non-Tidal Wetlands in Indonesia Benyamin Lakitan; Lindi Lindiana; Laily I. Widuri; Kartika Kartika; Erna Siaga; Mei Meihana; Andi Wijaya
AGRIVITA, Journal of Agricultural Science Vol 41, No 1 (2019)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v40i0.1717

Abstract

Productivity and cropping intensity on non-tidal wetland in South Sumatra are considerably low and has been underutilized up to now. The majority of farmers in this ecosystem are smallholders with limited adoption capacity on introduced technologies and modern agricultural practices. The objectives of this research were (1) to comprehensively capture multidimensional constrains that restrained local farmers in increasing their agricultural productivity; and (2) to identify, assess, and develop substantially-relevant, financially-affordable, and socially-acceptable agricultural technologies and practices for smallholder farmers to increase productivity. This research was organized in three main activities: qualitative research employing Grounded Theory procedure, quantitative questionnaire-guided survey, and a series of laboratory and field experiments. The research results indicated that the main constraints in increasing productivity and cropping intensity on the non-tidal wetland in South Sumatra include (1) unpredictable flooding occurrence and low soil nutrients content (agronomic constraint), (2) low financial and technology adoption capacity of local farmers (economic constraint), and (3) public policy has not significantly escalated farmer’s motivation to increase food production (social and institutional constraint). This research suggests that multidimensional (technical, financial, ecological, and socio-cultural) approaches should be integrated in collective efforts for sustainably intensifying food production on the non-tidal wetland.
Pruning to Improve Flowering and Fruiting of ‘Crystal’ Guava Susanto, Slamet; Melati, Maya; Aziz, Sandra Arifin
AGRIVITA, Journal of Agricultural Science Vol 41, No 1 (2019)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i1.1954

Abstract

Pruning is one of the techniques to improve plant growth and production. The aim of this research was to determine the effect of pruning on vegetative and generative growth, and fruit quality of ‘Crystal’ guava. The experiment was conducted from September 2016 to April 2017 at Cikabayan Research Station of Bogor Agricultural University, Dramaga, Bogor, Indonesia (-6.550780, 106.714531). The experiment used completely randomized design with six replications. There were three treatments i.e. a) pruning by leaving 4 pairs of leaves, b) pruning by leaving 8 pairs of leaves, and c) control (without pruning). Pruning was applied after shoot leaves grew fully. The result showed that pruning significantly increased the total number of shoots and generative shoots. Pruned plants produced more flower and fruit than un-pruned ones. Pruning by leaving 4 pairs of leaves tended to produce higher number of flower and fruit than those by leaving 8 pairs of leaves. Fruit weight and internal fruit quality were not affected by pruning.
Tree Health Typology of Homegardens and Dry Fields Along an Altitudinal Gradient in Kulon Progo, Indonesia S. M. Widyastuti; Indira Riastiwi; Priyono Suryanto
AGRIVITA, Journal of Agricultural Science Vol 41, No 1 (2019)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i1.758

Abstract

Homegarden–dry field is one of land management form that maintains biodiversity while at the same time synergize the production and conservation. Changes in market conditions pose a threat for monoculturalism on homegarden and dry field. On the basis of this consideration, it is necessary to do a research on trees health in homegarden and dry field. This study aimed to determine the constituent species in the agroforestry system of Kulon Progo, tree health typology in Kulon Progo, and the type of damages to homegarden and dry field tree species in agroforestry. This research method used inventory of species in the agroforestry system and identification of damage to trees using Forest Health Monitoring (FHM). The result showed that there were three typologies of trees’ health. Those were classified into typology 1, 2 and 3 in Kulon Progo. The types of damage that present at homegarden and dry field in Kulon Progo are the open wound, galls rust, broken branch, leaf spot, excessive branching, gummosis and termite attack.
Genetic and Leaf Characteristic Diversity on 10 Mutant Progenies of Patchouli (Pogostemon cablin) Provide Insights to Selection Strategies Muhammad Tahir; Dewi Riniarti; Ersan Ersan; Jakty Kusuma
AGRIVITA, Journal of Agricultural Science Vol 41, No 1 (2019)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i1.1908

Abstract

The importance of patchouli plants to produce essential oil has established this medicinal herb as one of the Indonesia’s main economic contributor. To date, Indonesia can only provide 5 varieties i.e. Sidikalang, Tapak Tuan, Lhokseumawe, Patchoulina 1 and Patchoulina 2. In order to increase national patchouli production, several efforts needs to be done by providing new superior patchouli lines. This experiment was undertaken to reveal diversity of mutant progenies derived from gamma ray irradiation in patchouli. Six SSR primers were used to determine genetic diversity on MV3 generation of the mutants. Molecular analysis revealed a moderate to high polymorphism based on tested primers, which amplified 73 bands, and resulting of 0.705 PIC value. Dendrogram analysis based on Euclidean dissimilarity showed broad diversity that ranged from 0.23 to 0.82. Phenotypic tree gave clear separation that all mutant clones were clustered into three different group, with Eucledian dissimilarity coefficient ranging from 0.02 to 0.13. This report indicates that Patchouli vegetatively-propagated mutants were able to maintain their variability continuously from their parental lines (M0). Furthermore, our findings offer comprehensive information on breeding strategies of patchouli plants, giving an opportunity to assess important traits at early generation.
The Genetics of Pandan-Like Fragrance, 2-Acetyl-1-Pyrroline, in Crops Prakit Somta; Kuswanto Kuswanto; Peerasak Srinives
AGRIVITA, Journal of Agricultural Science Vol 41, No 1 (2019)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i1.2085

Abstract

The main advantages of pandan (Pandanus amaryllifolius (Roxb.) is the fresh leaves which mainly used for the pleasant fragrance in cuisine. 2-acytile-1-pyrroline (2AP) (also known as 1-(3,4-dihydro-2H-pyrrol-5yl)ethanone) is the principle volatile chemical responsible for the fragrance in pandan.  2AP was identified for the first time from the cooked rice. Many cultivars of certain crops also produce pandan-like fragrance/2AP including rice (Oryza sativa L.), sorghum (Sorghum bicolor (L.) Moench), mungbean (Vigna radiata (L.) Wilczek), soybean (Glycine max (L.) Merr.), coconut (Cocos nucifera L.), cucumber (Cucumis sativus L.), wax gourd (Benincasa hispida), and taro (Colocasia esculenta (L.) Schott). The fragrant crop varieties command higher price than non-fragrant cultivars. Breeding for fragrance is a main goal in breeding programs in these crops. Although genetics studies revealed that the presence of fragrance in crops is monogenic trait and that mutation(s) resulting in null or reduced function of betaine aldehyde dehydrogenase 2 (BADH2)/amino aldehyde dehydrogenase (AADH) causes production of 2AP, the level of the fragrance is quantitative in nature. In this paper, we review and discuss the genetic controls of the fragrance in some crops.
Betacyanin and Growth of Beetroot (Beta vulgaris L.) in Response to Nitrogen Fertilization in a Tropical Condition S. M. Sitompul; Ajrina Puspita Zulfati
AGRIVITA, Journal of Agricultural Science Vol 41, No 1 (2019)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i1.2050

Abstract

A series of studies was carried out to explore the possibility of beetroot cultivation in the tropics on highlands.  This was initiated by a study on the effect of temperature and duration of beetroot storage on betacyanin content after determination of a wavelength giving the maximum absorbance of betacyanin extracts from beetroots.  The second study was designed to examine the response of betacyanin and plant growth to nitrogen (N) fertilization.  A randomized block design was used to impose the treatment of N fertilizer (Urea) consisting of 0, 0.15, 0.30, 0.45, and 0.60 g N per plant with five replicates.  The maximum absorbance of betacyanin extracts from fresh beetroots was attained at the wavelength of 536 nm.  Betacyanin content of beetroots increased with duration of storage up to 7 days from 229 ml l-1 to 639 ml l-1 when stored at room temperature (± 220C), and was reduced after slight increases when stored at lower temperatures.  Nitrogen fertilization reduced betacyanin content of beetroots with a reduction of up to 25%, from 351.5 to 257.6 ml l-1, with the application of 0.6 g N plant-1.  Root yield and total dry weight (TDW) increased with the supply of N fertilizer.
What is Required for Advancing REDD+? (Progress to Date and Challenges Ahead) Mitsuo Matsumoto
AGRIVITA, Journal of Agricultural Science Vol 41, No 1 (2019)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i1.2008

Abstract

To facilitate international discussion and research on the REDD+ framework and associated programs, I present an overview of the historical background, major rules, and challenges of implementing REDD+. The framework of REDD+ is illustrated using examples from scientific literature and the agreements adopted by the United Nations Framework Convention on Climate Change (UNFCCC). The institutional challenges related to REDD+ are discussed in the context of how to promote and implement REDD+ activities. Key issues for advancing REDD+ in the future include the establishment of a financial framework, the transferability of results, the risk of double counting, the timing of payments, and the domestic distribution of funds. Because agreements related to REDD+ do not mention transfers or trade of results from REDD+ activities, the transfer of results might give disincentives to developing countries; thus, allowing transfers or trade may actually limit REDD+ activities. Therefore, it seems preferable that the results of reduced emissions and increased removals through REDD+ activities, through publicly financed programs under the UNFCCC and Green Climate Fund (GCF), should be non-transferable. The transferability of results through REDD+ activities is important to consider, especially for different schemes such as the Forest Carbon Partnership Facility (FCPF) and the Joint Crediting Mechanism (JCM), because double counting can occur between countries and between schemes. Although I support advance performance-based payments for the planning and implementation of REDD+ activities, which is a similar concept to that discussed by the GCF, appropriate indicators and transparent methods for monitoring and evaluating performance will be required.
Antifungal Activities of Sweet Basil (Ocimum basilicum L.) Aqueous Extract Against Sclerotium rolfsii, Causal Agent of Damping-Off on Tomato Seedling Cipto Nugroho; Eka Mirnia; Christian Joseph R. Cumagun
AGRIVITA, Journal of Agricultural Science Vol 41, No 1 (2019)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i1.1920

Abstract

The study aims to evaluate the effectiveness of sweet basil aqueous extract against Sclerotium rolfsii in-vitro and damping-off on tomato seedling in-vivo. The sweet basil leaves were obtained from a commercial market in Los Banos, Philippines. The leaves were rinsed by water and then air dried. The dried leaves were ground using a domestic blender and 10 grams of this material was extracted using 100 ml of sterile distilled water (1:10 w/v) and 0.01 ml absolute methanol. The mixture was kept for 48 hours at room temperature. The solution was strained by a Whatman filter paper No. 1, then the extract was stored at 4°C. The effectiveness of sweet basil extract was determined in-vitro by measuring the mycelial growth inhibition of S.rolfsii and in-vivo by the percentage of disease incidence on tomato seedlings. The result showed that sweet basil extract was effective to inhibit the mycelial growth (33.35%). However, the effectiveness of water extract of sweet basil was considered ineffective for reducing disease incidence on the inoculated tomato seedlings, i.e. 46.67%-60%, similar to benomyl after the inoculation. Further investigation is needed to find out an effective formula of O. basilicum leaf extract which is stable and prolonged persistence for controlling S. rolfsii.
Field Application of Trichoderma Suspension to Control Cacao Pod Rot (Phytophthora palmivora) Rina Sriwati; Tjut Chamzurn; Loekas Soesanto; Munazhirah Munazhirah
AGRIVITA, Journal of Agricultural Science Vol 41, No 1 (2019)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i1.2146

Abstract

Cacao pod rot caused by Phytophthora palmivora, is an important disease and contributes significant disease losses to global cocoa production. This research objective was to determine the effect of Trichoderma harzianum and T. virens suspensions to cacao pod rot disease on the field. This research was carried out in Pulo Hagu village, Pidie Regency, Aceh, Indonesia from March to July 2017. The single pattern randomized block design was adopted to evaluate three treatments, i.e. without suspension (control), suspensions of T. Harzianum, and T. virens for eight replications. Each replication consisted of three of experimental units. The result showed that both of Trichoderma species contained only Alkaloid metabolite based on Phytochemical test. On the field, the application of T. harzianum suspension reduced the percentage of fruit infection and disease intensity for 48.57 %, 46.04 % at 12 weeks after application (WAA) respectively. Based on the percentage reduction in the area of the spot between the metabolites T. harzianum suspension and control and T. virens and control are 47.24 % and 27.46 % at 87 WAA respectively. In addition, T. virens suppressed the percentage of infected fruit and the intensity of infected fruit for 40.61 % and 38.02 % at 12 WAA.

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