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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 916 Documents
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Changes of Physical Properties of Sandy Soil And Growth of Physic Nut (Jatropha Curcas L.) Due to Addition of Clay and Organic Matter Djajadi, Djajadi; Heliyanto, Bambang; Hidayah, Nurul
AGRIVITA, Journal of Agricultural Science Vol 33, No 3 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Agricultural sandy soil in Situbondo, East Java province, Indonesia which is used as a center garden for physic nut seed production has poor physical properties of soil indicated by low capacity to retain water. For plant growth of physic nut, the sandy soil physical properties need to be improved. In this study, the influence of addition of clay together with organic matter and intervals of irrigation to sandy soil on aggregate stability, bulk density, total soil porosity, water available content and plant growth of physic nut was investigated. The rates of clay and organic matter incorporated to top sandy soil were 5% clay + 0.8% organic matter and 1O% clay + 1.6% organic matter. Two intervals of irrigation tested were 10 days and 20 days. The results showed that incorporation of clay together with organic matter increased aggregate stability, total soil porosity, available water content and plant growth of physic nut. Intervals of irrigation had no influence of soil physical properties and plant growth.Keywords: agricultural, sandy soil, clay, organic matter, soil properties, physic nut
EFFECT OF IRRIGATION INTERVAL AND SOIL AMENDMENTS ON SOIL ORGANIC C, NITROGEN AND POTASSIUM OF SANDY SOIL AND GROWTH OF Jatropha curcas L. Djajadi, Djajadi; Hidayati, Sulis Nur
AGRIVITA, Journal of Agricultural Science Vol 35, No 2 (2013)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Inherently, sandy soil is the unfertile soil with low in all aspects of soil fertility and has a low capacity to retain water applied nutrients.  To improve the fertility of sandy soil as media growth of Jatropha curcas, clay and organic matter may have important role when they are incorporated to the sandy soil.  This study investigated the effect of irrigation interval and incorporation of clay together with organic matter to sandy soil on soil organic C, N, and K and growth of J. curcas.  The rates of clay and organic matter incorporated to top sandy soil were 5% clay + 0.8% organic matter and 10% clay + 1.6% organic matter. Two irrigation intervals tested were 10 day and 20 day.  The results found that incorporation of 10% clay + 1.6% organic matter to sandy soil increased soil C organic, N total and exchangeable K which in turn increased number of leaves and number of lateral branches of J curcas.  Irrigation intervals had no effect on all parameters observed.Key words: Jatropha curcas, C organic, Nitrogen, Potassium, clay, organic matter, irrigation interval, plant growth
Spatial Distribution Pattern of The Fruit Fly, Bactrocera Dorsalis Complex (Diptera: Tephritidae) in Mango Orchard Soemargono, A.; Muryati, Muryati; Hasyim, Ahsol; Istianto, Mizu
AGRIVITA, Journal of Agricultural Science Vol 33, No 3 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

The spatial distribution of Bactrocera dorsalis complex in the mango orchard that was analyzed using various mathematical indices dispersion and regression models showed an aggregated distribution. Taylor’s power law and Iwao’s regression model fitted well to all data sets. However, Iwao’s regression model fitted the data better, yielding higher values of R2 than Taylor’s power law. As the regression of the reciprocal of k of negative binomial (1/k) on x [k = ( x2 – s2/n) / (s2 – x )] was not significant, the calculation of a common k was justified to be 1.30. This implies that the grade of aggregation of the fruit flies population was relatively constant throughout the time despite the variation in sample means. Since the clump size (λ) value was more than 2, the aggregated distribution might be due to the behavior and environmental factors working together.Keywords: Bactrocera dorsalis complex, spatial, distribution, trapping, mango
PLANT SPECIES DIVERSITY AND ITS EFFECT ON CARBON STOCKS AT JANGKOK WATERSHED, LOMBOK ISLAND Markum, Markum; Soesilaningsih, Endang Arie; Suprayogo, Didik; Hairiah, Kurniatun
AGRIVITA, Journal of Agricultural Science Vol 35, No 3 (2013)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

ABSTRACTThe area around Jangkok watershed has changed, dividing it into some land use systems. This research aimed to study the effect of plant species diversity onC-stocks, and to analyse the characteristics of land use systems based on their similarity. The observations were carried out on 18 plots representing six land use systems in Jangkok watershed (Lombok Island) i.e. primary forest (PF), disturbed forest (DF), Mahogany- woodlot (MW), candlenut- agroforestry (CA), multistrata- agroforestry (MA), and simple- agroforestry (SA).The species diversity level was measured using Shannon-Weiner diversity index, whileC-stocks according to the method of RaCSA (Rapid Carbon Stock Appraisal). Results showed that forest conversion to agricultural land usesreduced the number and density of the species, average wooddensity andtree basal area. The PF represented the highest biodiversity index (3.46), while the other land uses were categorised in medium and low. Largest C-stock wasfound inPF and in(30 years old) of MWaveraged of 500 Mg ha-1, while the lowest was in SAof 68 Mg ha-1, while in other land uses was 219 Mg ha-1.The quantity of C-stock was not related tospecies diversity and its density, but closely related (pof tree (R2=0.84), basal area of all sizes tree (R2=0.86), and with the basal area of big trees (diameter > 30 cm) (R2=0.71). Based on the number and species density, agroforestry system (MA and CA) resembled the characteristics of natural forest (DF and PF)./spanEN-GBspan style=
EXPRESSION OF RESISTANCE OF SOYBEAN TO THE POD SUCKING BUG RIPTORTUS LINEARIS F. (HEMIPTERA: COREIDAE) Suharsono, Suharsono; Sulistyowati, Liliek
AGRIVITA, Journal of Agricultural Science Vol 34, No 1 (2012)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Factors involved in the mechanism of resistance of soybean to pod sucking bug R. linearis  were identified using resistant soybean genotypes, IAC-100, and IAC-80-596-2 and the susceptible variety, Wilis as a check. The role of trichomes in resistance was assayed removing trihomes from the pod shell, and seed coat  and  the resistance was determined based on the number of stylet punctures made by the bug. Seed of IAC-100 and IAC-596-2 that had longer, denser trichomes, higher crude fiber content and  suffered fewer stylet punctures than  Wilis. This suggested that denser and longer trichomes interfered with stylet piercing of the pod shell. When the trichomes of IAC-100 and IAC-596-2 were removed these genotypes were more susceptible to insect feeding. In further studies, replacement of IAC-100 and IAC-596-2 seed with seed of Wilis in the pods of resistant genotypes resulted less stylet punctures on the Wilis seed. It was concluded that denser and longer trichomes on pods along with harder pod shells acts as a physical barrier in antixenosis resistance of soybean to the pod sucking bug. Therefore, IAC-100, and IAC-596-2 genotypes have good potential for used as resistant parents in a soybean breeding program.     Keywords: resistance, pod characters, tri-chomes, antixenosis, pod stink bug
Spectral Quality Affects Morphogenesis on Anthurium Plantlet during In Vitro Culture Budiarto, Kurniawan
AGRIVITA, Journal of Agricultural Science Vol 32, No 3 (2010)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

This paper elucidates the effects of LEDs spectral on callus induction, proliferation and shoot development of anthurium plantlet derived from leaf explants.  The research was conducted at the Ornamental Research Station, Fukuyama, Japan from January to August 2008. Three experimental series were designed to  determine the effects of LED-based spectral compositions i.e. 100% red, 75% red + 25% blue, 50% red + 50% blue, 25% red + 75% blue and 100% blue LEDs on morphogenetic process of callus formation derived from leaf explants up to plantlet formation on two anthurium cultivars, Violeta and Pink Lady.  The results showed no differences among cultivars tested but interaction of factors studied were found in all parameters observed. LEDs spectral gave significant influence on the morphogenetic processes from callus induction to complete plantlet formation.  Progressive initial callus was promoted with the decrease of blue LEDs portion.  Conversely, to proliferate globose to torpedo callus formation, more blue light was required than red LEDs.  During shoot induction and formation, hastened shoot initiation and number of shoots were achieved in higher blue LEDs portions, but not in root formations. Keywords : Anthurium, LEDs spectrals, morpho-genesis, plantlet, in vitro
THE USE OF BIOCHAR FOR IMPROVE SOIL PROPERTIES AND GROWTH OF PADDY IN PEATLAND Maftuah, Eni; Indrayati, Linda
AGRIVITA, Journal of Agricultural Science Vol 35, No 3 (2013)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

The main constraint in the management of peatlands include: high soil acidity, very low of nutrient availability  especially NPK. The  study aimed to determine the role of biochar to improve soil properties and paddy growth in peatlands. The study  conducted in  Landasan Ulin rural, Gambut district,   Banjar regency, South Kalimantan. The study was conducted from June to October 2012. Research arranged in a randomized block design, with three replications. The treatment given was a combination of the type and dose of ameliorant i.e. the 3 types of ameliorant: F1 (50% purun tikus grass + 50%  agricultural weed), F2 (16.7% chicken manure + biochar 83.3%), F3 (9% chicken manure + 91% purun tikus grass), with a dose of 2.5, 5 and 7.5 t ha-1 and control. The results showed that treatment of biochar could to increase soil pH, total N, and exchangable P (Bray I) though not significant, and significant  in increasing the exchangable K compared to controls. On the growth of rice plants giving biochar can increase plant height, number of tillers and number of panicles compared to controls. Key words: biochar, improve of soil properties, peat, growth, paddy
Virulence of Entomopathogenic Fungus Beauveria Bassiana Isolates to Crocidolomia Pavonana F (Lepidoptera: Crambidae) ., Trizelia; Nurdin, Firdos
AGRIVITA, Journal of Agricultural Science Vol 32, No 3 (2010)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

The purpose of this research was to identify the virulent isolates of Beauveria bassiana (Bals.) Vuill. to larvae of Crocidolomia pavonana (F.) and also to investigate the effects of conidial concentrations on larval mortality of C. pavonana. This experiment was conducted at Laboratory of Biological Control, Plant pest and diseases Department, Faculty of Agriculture, Andalas University from April to October 2008. B. bassiana were collected from insects and soils then cultured using selective medium. Thirteen isolates and four different concentration conidia(106-109 conidia/ml) were tested in the experiment. Larvae directly inoculated with conidial suspensions of entomopathogenic fungus. The results showed at a concentration of 108 conidia/ml, isolate HhTK9 was the most virulent caused 82.50% mortality of 2nd instar larvae, with LT50 3.39 days. The mortality C. pavonana larvae was positively correlated with by fungal isolate and conidial concentration.Keywords:  Entomopathogenic, Beauveria bas-siana, virulence, isolates, Croci-dolomia pavonana
AR4-50 MODEL, THE EXTRACTOR OF SPECTRAL VALUES INTO REMOTE SENSING IMAGE DATA-BASED LAND USE CLASS Akhbar, Akhbar; Basir, Muhammad; Somba, Bunga Elim; Golar, Golar
AGRIVITA, Journal of Agricultural Science Vol 35, No 3 (2013)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

This study attempted to develop an extraction model of spectral values ​​of land objects into land use/land cover classes on remote sensing image in the provision of land database for planning, evaluation, and monitoring in agriculture and forestry. This study employed an Isodata method and Knowledge-Based Systems (KBS) using the Landsat 7 ETM+ image in the coverage area of ​​117,799.06  ha, and the SPOT 5 XS image in the coverage area of ​​113,241.37 ha in Palu, Sigi and Donggala. The study found two image models labelled as AR4-50 and SBP-AR4-50. The separability image AR4-50 model has an average capability for separating land object pixels which are statistically 1811.98 to 1972.08 (moderate-good), with the class accuracy of land use/land cover using the image homogeneity model of SBP-AR4-50, which is totally (confusion matrix) 72.15% -87.17%, the accuracy level of land map generator for agricultural land/forestry is in good-excellent category on the Landsat 7 ETM+ and SPOT 5 XS images. Keywords: Image, Class, Land Use, Model, Separability, Homogeneity.
HERITABILITY OF FRUIT QUALITY IN THE PROGENIES OF DAY-NEUTRAL AND SHORT DAY HYBRID STRAWBERRY CULTIVARS Murti, Rudi Hari; Kim, Hwa Young; Yeoung, Young Rog
AGRIVITA, Journal of Agricultural Science Vol 34, No 2 (2012)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

This study was conducted to evaluate the heritability, heterosis, and correlation among firmness, total soluble solid (TSS), and color in the F1 hybrids between two day-neutral (DN) and six short-day (SD) cultivars. The firmness of DN cultivars and the sweetness of SD cultivars were considered as a criterion in choosing parent cultivars. Parents and eleven F1 progenies were grown in completely randomized block design. Heritability of TSS, color (a*: opponent channel between red/magenta and green), and firmness was 0.67, 0.55, and 0.49, respectively. Most of the DN × SD hybrids had higher firmness and TSS than the crossing of SD × SD and DN × DN, respectively. In the DN × SD progenies, all heterosis values of TSS and most of heterosis of firmness were positive and negative, respectively. The genetic advance of TSS was higher than firmness. ‘DNKW002’ was a better donor for firmness and can be used as female parent in producing DN cultivar with high TSS. Correlation between firmness and TSS was negative, hence the simultaneous selection was recommended. Principle component analysis (PCA) based on characteristics indicated three groups: group of DN parents and hybrids of DN × DN, group of SD parents and SD × SD hybrids, and group of DN × SD and SD × DN hybrids. Additional key words: firmness, total soluble solid, heritability, PCA

Page 14 of 92 | Total Record : 916

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