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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 15 Documents
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Search results for , issue " Vol 33, No 1 (2011)" : 15 Documents clear
Induction of In Vitro Culture of Potato Microtuber by Using Alar and Dark Photoperiod Application Dwiati, Murni; Anggorowati, Sulastri
AGRIVITA, Journal of Agricultural Science Vol 33, No 1 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Providing virus free potato seeds in order to increase potato production in Indonesia could be carried out by using microtuber resulting from microcutting. The growth of single node microcutting potato can initiate microtuber formation when growth inhibiting substances such as alar in combination with dark photoperiod treatment is applied. This study was aimed to elucidate the effect of alar and dark photoperiod on the date of microtuber emergence and production. The experiment was arranged in a factorial Randomized Completely Block Design in which alar concentrations i.e. 0, 10-3, 5 x 10-3, and 10-2 mg/L, served as factor I, and dark photoperiods i.e. 16, 20, and 24 hrs/day, were used as factor II. Each treatment combination was replicated three times giving rise to 36 experimental units. Data were analyzed using ANOVA (F test) followed by Duncan Multiple Range Test (DMRT) when significant effect of the treatments existed. The results showed that alar and dark photoperiod affected individually on the date of microtuber emergence, while the best alar concentration to increase microtuber production was 10-3 mg/L with 10.67 microtubers/cutting. Dark period has no significant effect on the induction of potato microtuber. Keywords: potato microtuber, alar, dark photoperiod
Incidence of Soybean Mosaic Disease in East Java Province Andayani, Wuye Ria; Sumardiyono, Y. B.; Hartono, Sedyo; Yudono, Prapto
AGRIVITA, Journal of Agricultural Science Vol 33, No 1 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

The objectives of this study were: 1) to identify the mosaic symptom severity and the incidence the virus and relate these to soybean yield reduction is four regions of East Java; 2) diagnostic of the symptom using Indirect ELISA, RT-PCR and electron microscope observation. Results from experiments indicated that soybean plants infected with SMV and CMMV, alone or in combination produced mosaic symptom. Incidence of the virus, as judged by symptomatology, ranged from mild to severe infection the percentage of plants being from 13.42-30.10%. Soybean plants with mosaic symptom caused SMV from an early stage of development (14-28 days after planting). Soybean mosaic virus belongs to the virus family Potyviridae. Specific DNA fragment of 1687 bp was successfully amplified from soybean infected by SMV isolate Ngawi, Madiun, Magetan, and Ponorogo. Specific DNA fragment of 1385 bp was successfully amplified from SMV by CI coding region. The mosaic symptom on soybean plant (28-42 days after planting) caused CMMV. Flexious virus particle 650 nm in length was observed on electron microscope. It caused local lesions on Chenopodium amaranticolor, but not detected by I ELISA with antiserum SMV and RT-PCR with universal primer. Keywords: SMV, CMMV, I.ELISA, RT-PCR.
Seed Coat Resistance of Groudnut to Aspergillus Flavus and Their Stability Performance in The Field Kasno, Astanto; Trustinah, Trustinah; Purnomo, J.; Sumartini, Sumartini
AGRIVITA, Journal of Agricultural Science Vol 33, No 1 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

One of the weaknesses of the groundnut is the easiness to be infected by fungi, especially Aspergillus flavus that produces aflatoxin. Seed from the field experiments for all step of selection (F5 until to multilocation yield test) after processed then stored for 3 and 6 months, further tested their respons to A. flavus using a standard method. Examined for seed coat resistance to colonization of A. flavus were carried out in laboratory ILETRI (Indonesian of Legume and Tuber Crops Research Institute) since years of 2002 to 2006. Stability performance of resistance to A. flavus was analyzed with regression technique. Performance of resistance to A. flavus of selected lines tested were not consistant among 16 of testing envoronments. Among genotypes were also sigficantly different response to A. flavus invasion from location to location, indicated that those performance of some lines were not stable, except line of MHS/91278-99-C-180-5. The highest pod yield was occupied by line of J/91283-99-C-90-8 and stable, however its resistance to A. flavus did not stable. The resistance of J/91283-99-C-90-8 to A. flavus antil to three months after after seed strored similar with variety of J-11. Keywords: groundnut, Aspergillus flavus, aflatoxin
Instruction for Author Trisnadi, Rizki
AGRIVITA, Journal of Agricultural Science Vol 33, No 1 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Growth and Yield of Cassava in Agro Forestry System Using Crown Tree Management: Crown Pruning for Optimization Light Interception Saptono, Mofit; N.C.C., Hastin Ernawati
AGRIVITA, Journal of Agricultural Science Vol 33, No 1 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

The aim of this research is to measure the light intensity change under the tree due to the change of crown tree density in agro forestry system. The factorial completely randomized block design with four replications was applied on this research. The first factor were species in agro forestry system namely: mahagony (Switenia mahagony), teak (Tectona grandis), para-serianthes (Paraserianthes falcataria) and mangium (Acacia mangium). The age of the species mentioned above is five years old. Second factor were crown tree pruning including; without pruning (0%), pruning 50%, and pruning 75%. The result showed that the light intensity in open area is 1150 μmole m-2 sec-1.The average of light intensity under the crown tree of mahagoni, teak, paraserianthes and mangium were 830, 607, 443 and 403 μmole m-2sec.-1, respectively. The light intensity under the tree without pruning was 497 μmole m-2 sec-1, whereas with 50% and 75% of pruning increased light intensity up to 554 and 661 μmole m-2 sec.-1, respectively. Cassava tuber yield in agro forestry system were 5.4; 3.2; 3.7 and 1.2 Mg ha-1 respectively under mahagony, teak, paraserianthes and mangium, respectively. The yield of cassava in agro forestry system was lower than monoculture system (26.9 Mg ha-1). Keywords: crown tree, mahagony, teak, paraserianthes, mangium, cassava, agroforestry system
Feasibility of Soil and Water Conservation Techniques on Oil Palm Plantation Murtilaksono, Kukuh; Darmosarkoro, Witjaksana; Sutarta, Eddy Sigit; Siregar, Hasril Hasan; Hidayat, Yayat; Yusuf, M. Arif
AGRIVITA, Journal of Agricultural Science Vol 33, No 1 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

The objective of the study is to examine the effectiveness and feasibility of soil and water conservation techniques. The production of oil palm comprising the fresh fruit bunch, number of bunches, and average of bunch weight were recorded at every harvesting schedule. Tabular data were analyzed by logical comparison among the blocks as a result of application of bund terraces and silt-pit. Financial and sensitivity analysis of the effect of the techniques on FFB production were done. Bund terrace treatment was more effective (4.761 ton or 21.5%) in increasing FFB production than the silt-pit treatment (3.046 ton or 13.4%) when it is compared to that of the control block. The application of bund terraces and silt-pit also presents positive effects i.e. increases the average bunch weight and the number of bunch compared to that of the control. Furthermore, the financial analysis as well as sensitivity analysis shows that the bund terrace application is profitable and feasible (B/C = 3.06, IRR = 47%) while the silt pit treatment is profitable but not feasible.Keywords: Bund terrace, feasibility, production of FFB, silt-pit
Insect as Biological Indicator from Protected to The Disturb Landscape in Central Java Indonesia Wicaksono, Karuniawan Puji; Suryanto, Agus; Nugroho, Agung; Nakagoshi, Nobukazu; Kurniawan, Nia
AGRIVITA, Journal of Agricultural Science Vol 33, No 1 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

In the biological science, invertebrate (especially insect) diversity is relatively well known. Yet, little study about their interaction with specific land use or specific system function. With the rapid changes of landscape, biodiversity is also changes in response to human impact; due to each organism have the specific interaction with certain environment. In this research, the assessment of insect order in the different landscape types was conducted using several method of trapping to understand the specific pattern of insect which are inhabited the landscape. The objectives of this research were monitored the Insect diversity, its ecological importance to agro-forestry ecosystem, and compare it with other forest type in this area. Another objective was determined the insect characteristic as the indicator of environmental quality on each land-use system (forest, agroforestry, plantation and monoculture). Monoculture agriculture has the largest number of Lepidoptera and Hemiptera order (herbivore insect dominated) while in agro-forest system has the largest number of Diptera and coleoptera order. Protected forest, plantation forest and agro-forestry showed the similar index number which shows the similar ecological services for the insect as their habitat. However, in the monoculture agriculture, there was an unbalance insect composition and high dominance.Keywords: landscape, biodiversity, environment indicator index
Effects of Light Intensity and Seedling Mediaon The Growth of Reutealis Trisperma (Blanco) Airy Shaw Seedling Wardiana, Edi; Herman, Maman
AGRIVITA, Journal of Agricultural Science Vol 33, No 1 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

This experiment was conducted at Pakuwon Experimental Station with altitude about 450 m above sea level and Latosol type of soil beginning from January until June 2009. It aimed to investigate the effect of light intensity and seedling media on growth of "Sunan" candle nut (R. trisperma) seedling. Split plot design with 4 replications was used in this study. The main plots factor are percentage of light intensity (I) consisted of two levels : I1 (65%) and I2 (100%), and the split plots factor are seedling media (M) consisted of five kinds of media: M1 (50% soil and 50% sheep dung), M2 (50% soil and 50% rice husk), M3 (50% sheep dung and 50% rice husk), M4 (33.3% soil, 33.3% sheep dung, and 33.3% rice husk), and M5 (100% soil). Result showed that: (1) for better growth of R. trisperma seedling suggested to be shaded, and (2) mixed of the 50% soil and 50% sheep dung are the best media for it growth. Keywords: Reutealis trisperma (Blanco) Airy Shaw, light intensity, seedling media, organic matter
Self-Super Parasitism Behavior of Naive and Experienced Cotesia Vestalis, A Bio-Control Agent of Plutella Xylostella in Brassica Crops Khumairoh, Uma; Pandjaitan, Catlyn
AGRIVITA, Journal of Agricultural Science Vol 33, No 1 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Cotesia vestalis is one of the parasitoids of Plutella xylostella,. They do self-superparasitism to predicted as a behavior to increase the proportion of their female offspring or as a behavior resulting from their inability to recognize previously parasitized hosts. Observations were conducted to study the behavior of experienced and naive Cotesia vestalis. The age of C. vestalis females for observation was between one to three days after emerging for both experienced and naïve, but experienced C. vestalis were trained to lay eggs before real observation. The observation was done in a laboratory and included five behaviors, namely number of ovipositions and host encounters, period of grooming, walking and resting. There was no significant difference in the proportion experienced and naïve C. vestalis females that superparasitized. The number of ovipositions and host encounters, periods of walking, grooming and resting were also not significantly different between experienced and naïve C. vestalis. For further research, it is recommended to observe behavior of C. vestalis that differ in age and after longer periods of experience training. Additional behavior such as direction preferences (leaf or patches), host preference (host health and color) can additionally be important variables to study in C.vestalis behavior. Keywords: Superparasitism, C. vestalis, naive, experienced, behavior
Assessment of The Effect of Long Term Tillage on The Arbuscular Mycorrhiza Colonization of Vegetable Crops Grown in Andisols Prasetya, Budi; Anderson, Christopher
AGRIVITA, Journal of Agricultural Science Vol 33, No 1 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

In Indonesia, amount of biodiversity could be found including soil microorganism which were useful for sustainable agriculture. Everything lives in agricultural land were interacts and influences each others. Many factors of biotic and a-biotic environment such as land and climate fluctuation influences microbial expansion within the soils. For example arbuscular mycorrhiza (AM) which was formed by myches (fungus) and root of higher plant maybe fluctuated in the expansion due to the soil tillage. Land management and the present higher plant affected its growth and expansion. Mycorrhizae spores as one of the important generative form of various species in the difference host plant. The implication of different host plant often close related to the soil management and properties. Soil sample that was collected from various host plant in the fields or bare land have been found varied spores. Andisols and its properties conserve higher organic matter relatively and developed in the cold temperature, therefore very suitable for AM expansion and also as natural resources stock of AM potentially.Keywords: arbuscular mycorrhiza, andisols, soil tillage, AM colonization

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