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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 24 Documents
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Search results for , issue "Vol 35, No 2 (2013)" : 24 Documents clear
THE POTENCY OF Bacillus sp. AND Pseudomonas sp. AS BIOLOGICALCONTROL AGENTS AGAINST CORN LEAF BLIGHT DISEASE CAUSED BY Pantoea sp. Javandira, Cokorda; Aini, Luqman Qurata; Sugiharto, Ariffin Noor; Abadi, Abdul Latief
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

One of new biotic constraints in corn production in Indonesia is leaf blight disease caused by Pantoea sp. which is needed to be controlled. The purpose of this research is to study the potential of Bacillus sp. and Pseudomonas sp. as biological control agents against corn leaf blight caused by Pantoea sp. The results showed that all bacterial strains of Bacillus sp. and Pseudomonas sp. have potential in inhibiting the growth of Pantoea sp. by showing the clear zone on the agar plate. The antibiosis types are bactercide or bacteriostatic. On pot experiment all bacterial strains showed the reduction of the disease incidence at the same level compared with that of bactericide streptomycin suphate. All bacterial strains as well as bactericide could reduce the disease incidence at 18-24% compared with that of control (aquades treatment only). The results suggest that all bacterial strains are potential as biological control agent against leaf blight disease on corn leaf caused by Pantoea sp.Keywords: Biological control, Bacillus sp., Pseudomonas sp. and Pantoea sp.
PATHOTYPE GROUPING OF Xanthomonas oryzae pv. oryzae ISOLATES FROM SOUTH SULAWESI AND SOUTHEAST SULAWESI Khaeruni, Andi; Wijayanto, Teguh
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

Bacterial leaf blight caused by Xanthomonas oryzae pv. oryzae (Xoo) is an important rice disease, and has caused significant economic losses.  This research aimed to determine the pathotype grouping and the distribution of Xoo isolates of South and Southeast  Sulawesi. In order to obtain the information, 61 Xoo isolates of South Sulawesi and 29 isolates of Southeast Sulawesi were evaluated for their pathotype grouping against 5 diffential varieties. Research results showed that in South Sulawesi there were 2 pathotype groups, namely pathotype IV (32.79%) and pathotype VIII(67.21%).  Pathotype VIII was widely distributed over the Western and Central areas of South Sulawesi, whereas pathotype IV was widely distributed over the Southern area.  In Southeast Sulawesi, it was found 5 pathotypes, namely pathotypes IV (27.58%), VI (10.34%), VIII (13.79%), IX (20.68%), and X (27.58%), with a limited and scattered distribution pattern on several areas. These results indicate that  Xoo pathotype groups in South Sulawesi and Southeast Sulawesi are varied and tend to sift to more virulent pathotypes. Keywords: bacterial leaf blight, pathotype group, Xanthomonas oryzae pv. oryzae
PATH-ANALYSIS ON SEVERAL CHARACTERS IN POTENTIAL OF CORN PRODUCTION AND RESISTANCE TO DOWNY MILDEW Pudjiwati, Eko Hary; Kuswanto, Kuswanto; Basuki, Nur; Sugiharto, Ariffin Noor
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

This research was aimed at investigating both direct and indirect impacts, and heritability values of characters regarding the potential of corn production and resistance to downy mildew. The result of this investigation is required to determine some criteria taken into account for selection process of downy mildew-resistant corn breeding with high yield. The field experiment was conducted at Research Centre of Agriculture Faculty, Brawijaya University from January to April 2012. Five varieties of hybrid crown and five inbreeding lines were employed, and Randomised Block Design was applied with two replications. As observed, the characters held heritability ranging from average to high, except for heritability of length and width of stomata on the lower surface of the leaves which was categorised as low. Moreover, the stomata density found on lower surface of the leaves was directly and positively correlated to the intensity of attack by downy mildew, which, then, was used as criteria selection in downy mildew-resistance. The intensity of disease and the density of the stomata on lower surface of the leaves accounted for direct and negative correlation to corn production, while the length and diameter of corncob was responsible for direct and positive correlation to corn production. The betterment of corn production can be coped by improving the plant resistance to downy mildew and characters of corncob diameter.Keywords: path-analysis, corn, downy mildew  
THE USE OF SATELLITE REMOTE SENSING DATA AND GEOGRAPHIC INFORMATION SYSTEMS ON CRITICAL LAND ANALYSIS Suharyanto, Agus; Suhartanto, Ery; Pudyono, Pudyono
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

Critical land classification can be analyzed using combination between Top Soil Thickness - Land erosion method, and BRLT methods. Both methods are needed soil erosion data as one of input data. The soil erosion data can be analyzed using USLE and MUSLE methods. The combination of two critical land analyses methods with input soil erosion data from two analyses methods will be produced four combinations of critical land classification. In this research, four of the critical land classification and two soil erosion classification will be analyzed using GIS. The best method to classify critical land will be investigated in this research. The best classified critical land is the classified critical land data is nearest with the field condition.Percentage of vegetation cover (PVC) is one of the most important input data in the critical land classification analysis using BRLKT method. This data have 50% weight. PVC condition is classified into five categories i.e. very good, good, fair, poor, and very poor. Each category have score 5, 4, 3, 2, 1 respectively. To analyze this PVC classification, NDVI generated from satellite remote sensing data is used in this research. From the four methods of land critical classification analyses used in this research, critical land classified using BRLKT method with input soil erosion analyzed using method is produced the critical land classification nearest with the critical land condition in the field.Keywords: Critical land, Land erosion, GIS, Satellite Remote Sensing Data, NDVI
NONPARAMETRIC STABILITY ANALYSIS OF YIELD FOR NINE CHILI PEPPER (Capsicum annuum L.) GENOTYPES IN EIGHT ENVIRONMENTS Rahadi, Vitria Puspitasari; Syukur, Muhamad; Sujiprihati, Sriani; Yunianti, Rahmi
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

 The objectives of this study were to compare nonparametric stability measures, and to identify promising high yield and stability of chili pepper (Capsicum annuum L.) genotypes in eight environments. In every environment, a Randomized Complete Block Design was used with three replications. The method of Nassar and Huehn, Kang, Fox, and Thennarasu was used to analyze the stability and high yield. Spearman’s correlation and Principal Component analysis distinguishes the methods based on two different concepts of stability: the static (biological) and dynamic (agronomic) concepts. The top method was found to be the dynamic stability. Meanwhile, the methods of Si1, Si2, Si3, Si6, Npi1, NPi2, NPi3 and NPi4 were found to be the static stability. Based on the ranking frequency stability of the nonparametric method, the genotypes with the highest frequency of static stability ranking were genotypes IPB002003, IPB002046, IPB009019 and Tit Super, whereas IPB009002 and Tombak were categorized as those of dynamic stability. Genotype IPB120005 and IPB019015 were less adaptable in the multiple environments tested. It shows that the genotypes were specific in certain environments. IPB120005 had high yield and specific location in Boyolali in dry season and IPB019015 genotype was specific in Bogor in wet season. Keywords: chili pepper, nonparametric stability, high yield, dynamic stablility
SOIL FERTILITY STATUS AND SOYBEAN [Glycine max (L) Merr] PERFORMANCE FOLLOWING INTRODUCTION OF INDIGENOUS MYCORRHIZA COMBINED WITH VARIOUS NUTRIENT SOURCES INTO SANDY SOIL Astiko, Wahyu; Sastrahidayat, Ika Rocdjatun; Djauhari, Syamsuddin; Muhibuddin, Anton
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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The experiment tested four treatments, namely inoculation of soil with mycorrhiza, inoculation of soil with mycorrhiza and cattle manure, inoculation of soil with mycorrhiza and rock phosphate, and inoculation of soil with mycorrhiza and inorganic fertilizers. Soil without any inoculation was provided as control. The treatments were arranged in a Completely Randomized Design with four replications. Soil fertility status was based on the concentrations of N, P, K, and organic-C as well as soil pH. Plant performance was determined based on its ability to uptake nutrients (N, P, K, and Ca), its growth and yield. Then, the activity of mycorrhiza was measured based on total population and percentage of root infection. Overall, results of the present study showed that, compared with other treatments, inoculation of mycorrhiza into soil and amended with cattle manure significantly performed higher concentrations of N, P, K, and organic-C. This soil condition caused soybean to absorb significantly higher nutrients, grew well with higher yield compared with plant performance in other treatments. Therefore, results of this study implies that the application of mycorrhiza into soil amended with organic matter is promising to sustain soil productivity under soybean cropping system.  Keywords: Arbuscular Mycorrhiza, soil fertility, soybean yield, dryland
IMPROVING NITROGEN FERTILIZER ABSORPTION AND ITS EFFECT ON QUALITY AND SEED YIELD OF CORN (Zea mays) Kuswanto, Kuswanto; Wicaksono, Karuniawan Puji; Sudakir, Sudakir; Begliomini, Edson
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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Improving nitrogen uptake by pyraclostrobin application in maize under green house and field conditions were investigated. There were three series experiments conducted in dry season, 2011 and 2012.  The research conducted using nested design and three replications.  Nested design applied to get information as careful as possible about the role of treatment, especially the main factor.  The first and second experiments hold at field and green house and the third experiment hold at green house.  They had two factors, pyraclostrobin application and nitrogen fertilizer.  Vegetative growth, flowering and earing age, chlorophyll content, yield, amylose and protein content evaluated.    Application of pyraclostrobin, significantly increase nitrogen fertilizer efficiency.  Amylose content and fresh yield were different on nitrogen and pyraclostrobin application.  Application of pyraclostrobin 400 ml/ha significantly increase amylose 10.85-18.5%.  Both of amylose and protein content were increased by nitrogen fertilizer application.  Vegetative growth and chlorophyll content were affected by nitrogen and pyraclostrobin. Keywords: corn, N efficiency, pyraclostrobin, amylose, yield
INFECTION PROCESS OF Fusarium oxysporum FUNGUS: A CAUSE OF DAMPING-OFF ON Acacia mangium’s SEEDLINGS Widyastuti, Siti Muslimah; Tasik, Susanti; Harjono, Harjono
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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Fusarium oxysporum is the causal agent of damping-off disease. The fungus attacks seedlings of many plant species, including Acacia mangium. In order to effectively control the disease, detailed information on how the fungus infects seedlings of A. mangium and how the plant responds to the fungal infection is essentially needed. The objectives of this research were to investigate: (1) the infection process of F. oxysporumon seedlings of A. mangium, (2) the defence response of A. mangium seedling to infection by F. oxysporum. The fungal pathogen was identified, followed by performance of pathogenicity test. The infection process was followed by macroscopic observation as well as microscopic observation. The result indicated that fungal spore germination was observed at two-day post inoculation in planta. At four-daypost inoculation, hyphae of F. oxysporum had penetrated the collar root of A. mangium seedling via stomata aperture. In addition, fungal hyphae had grown intercellulary in to the vascular tissue. Correspondingly, hypersensitive response was also detected at the stomata aperture. However, this defence mechanism is not effective in stopping the fungus since F. oxysporum is a necrotropic pathogen. Moreover, accumulation of lignin, but not callose, was observed. Keywords:  Fusarium oxysporum, damping-off, Acacia mangium
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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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
ENHANCEMENT IN EFFECTIVENESS OF ANTAGONISTIC MICROBE BY MEANS OF MICROBIAL COMBINATION TO CONTROL Ralstonia solanacearum ON POTATO PLANTED IN MIDDLE LATITUDE Rosyidah, Anis; Wardiyati, Tatik; Abadi, Abdul Latief; Maghfoer, Moh. Dawam
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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One of the common problems hampering the cultivation of potatoes in middle latitude is the presence of bacterium Ralstonia solanacearum commonly known to cause wilt disease, by which crop failure might be caused when serious attack occurs. The objectives of the research were to obtain the application of antagonistic microbes to inhibit the wilt disease caused by R.solanacearum and to increase the growth and yield of potato in middle latitude. The research was conducted from July to October 2012. Antagonistic microbes were used in this research to inhibit the bacterial wilt disease caused by R.solanacearum on potato planted in Bumiaji, Batu. Trichoderma viride, Streptomyces sp. and Pseudomonas fluorescens isolates were selected to be applied as treatments either singly or in combination. Randomised block design was applied on the treatment group with three replications. The results showed that the single application of Pseudomonas fluorescens or combined application of Streptomyces sp. and Trichodermaviride + Streptomycessp. was capable of extending incubation period 4 to 7 days and reducing disease incidence  44.85% - 50.09%, reducing disease intensity up to 61.23 - 72.77%, reducing the population R.solanacearum up to 7.28 - 97.88%, increasing the number of leaves and the marketable yield as much as 67.96 - 81.98%.Keywords: control, Ralstonia solanacearum, antagonistic microbes, middle latitude

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