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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.
Arjuna Subject : -
Articles 934 Documents
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PERFORMANCE OF TOMATO (LYSOPERSICON ESCULENTUM) GERMPLASMS GROWN IN BANGLADESH FOR SALINITY TOLERANCE MPLASM Md. Alamgir Siddiky; Md. Shahabuddin Khan; Md. Mostafizur Rahman; Md Khabir Uddin
AGRIVITA, Journal of Agricultural Science Vol 36, No 2 (2014)
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.v36i2.418

Abstract

 A solution culture experiment was conducted to screen out a number of Bangladeshi tomato germplasms for salinity tolerance by exposed to control, 8, 12 dS/m NaCl (salt stress). Salinity tolerance of tomato germplasms were evaluated with respect to salinity tolerance index, shoot and root dry matter production, shoot Na+, K+, Ca2+ accumulation and their respective ratios. A tolerance index was calculated for every single germplasm in root, stem and leaf dry weights and in the K/Na and Ca/Na parameters of these organs. Tomato germplasms responded differently to salt tolerance. Based on the salinity tolerance index caused by the NaCl treatment “BT14 (BARI Tomato 14)” and “BHT5 (BARI Hybrid Tomato 5)” were found to be most tolerant germplasms to salinity with highest salinity tolerance index, root-shoot dry matter production, accumulation of K and Ca and exclusion of Na. Thus, “BT14” and “BHT5” can be regarded as a breeding material for development of new tomato varieties for tolerance to salinity.Key words: Tomato germplasms, salinity, tolerance index, dry matter, Ion concentration
DEVELOPMENT OF SUSTAINABLE CULTURAL LANDSCAPES IN WEST KALIMANTAN Karuniawan Puji Wicaksono; Nobukazu Nakagoshi
AGRIVITA, Journal of Agricultural Science Vol 34, No 3 (2012)
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.v34i3.108

Abstract

This research focuses on investigating West Kalimantan’s traditional landscapes, shifting cultivation pattern, and comparing the forest dependency of several ethnic groups.  After conducting remote sensing and geographical information system techniques based on the satellite images LANDSAT-TM in West Kalimantan from 1996 to 2006, the decrease of primary dry tropical forest from 36.4% to 15.9% and a little increase of agriculture land from 44.8% to 45.1% were detected. West Kalimantan’s traditional landscape is a combination of primary forest, shifting dry rice-field, rubber plantation, fruits garden and home garden, meanwhile new landscape managed by migrants mainly consist of permanent wet land rice-field, dry land rice, and crop fields. The decreasing forest area forces the native people to shorten the shifting cultivation cycle or to turn to permanent agriculture with the low yield. This situation is the result in the more primary forest clearing for agriculture usage by native people and migrants. It is clear that the traditional landscape of West Kalimantan is particularly dependent upon its most vital element, the forest. Yet, traditional landscape representing the regeneration cycle of forest in West Kalimantan was constrained by changes in managed and modern landscape. Keywords: Landscape, Forest, Cultural, Land-use, Ethnics group
Crossing Among Sixteen Sweet Potato Parents for Establishing Base Populations Breeding Sri Umi Lestari; Ricky Indri Hapsari; Nur Basuki
AGRIVITA, Journal of Agricultural Science Vol 41, No 2 (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.v41i2.1485

Abstract

The base - population of the controlled cross breeding is one of the important factors to develop a new improved cultivar. Since the incompatible nature of sweet potato remains a barrier for genetic improvement, therefore it requires a lot of crossed pairs. This study aimed to determine the level of incompatibility among crossing line between high yielding and micronutrient content cultivars. The field experiment conducted at Brawijaya University Research Station, Jatikerto-Malang, during February to August 2015. The North Carolina Design II was applied to sixty pairs controlled cross breeding and their sixty reciprocal pairs of six cultivars for micronutrient content enrichment with ten high yielding cultivars. The observations were made to the cross flowers number, capsules, fruit sets, and seeds number. The level of incompatibility between crossed pairs was determined by the level of fruit set. The result showed that most pairs were compatible (fruit set > 20%) and only few were incompatible (fruit set < 10%). Among six parents with micronutrient content enrichment, two of them, have a high compatibility as as female parents, to all the high yielding cultivars, i.e. BIS OP-61 and Cangkuang. Positioning as a female parent can improve the effectiveness of its selection scheme.
Rapid Somatic Embryogenesis of Citrus reticulata Blanco cv. Madu in an Air-Lift Bioreactor Culture Agisimanto, Dita; M. N., Normah; Ibrahim, Rusli
AGRIVITA, Journal of Agricultural Science Vol 41, No 2 (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.v41i2.2237

Abstract

Embryogenic cell (EC) growth and proliferation as well as somatic embryo induction were examined in a bioreactor culture using Murashige and Skoog basal medium particularly for the influence of 6-benzyladenine (BA) concentration, initial cell density and aeration rate. Embryogenic callus was induced from seeds of Citrus reticulata Blanco cv. Madu. The cell suspension in a 3-L bioreactor exhibited maximum cell growth following the addition of 1.5 mg/l of BA. The fresh weight (FW) of the cells after 28 days of growth was found to increase from an initial of 5.5 g cell culture to 57.3 g, a 10.4-fold increase and the maximum growth rate (GR) of the cells (0.33 g/day) was attained by the 7th day of culture. In the cell density experiment, ECs at a concentration of 5.5 g/l constituted the most effective inoculum, reaching the highest GR of ECs (0.52 g/day), again by the 7th day of culture. In the aeration experiment, the highest EC GR of 2.6 g/daywas obtained at the maximum aeration rate of 1.5 vvm (air volume medium/ volume/min). After 28 days of somatic embryogenesis, 79% of ECs became somatic embryos, of which 29% were at cotyledonary stage.
Detecting Potential Biodiversity Hotspots for Development of REDD+ Safeguards Based on Analyses of Land-Cover Complexity in East Java, Indonesia Yasa Palaguna Umar; Satoshi Ito; Yasushi Mitsuda; Ryoko Hirata; Tsuyoshi Kajisa; Hagus Tarno; Karuniawan Puji Wicaksono; Arifin Noor Sugiharto
AGRIVITA, Journal of Agricultural Science Vol 41, No 2 (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.v41i2.2010

Abstract

We examined a new method to detect the biodiversity hotspots in terms of complex patch mosaics at a regional scale in East Java, Indonesia, in order to develop the safeguard against further expansion of monocultures by REDD+. A land-cover map consisting of five major land-cover types (forest, agricultural land, bare land, water, and residential) was generated with a 30 m x 30 m resolution by the unsupervised classification of a Landsat8-OLI image. Shannon’s diversity index (H’) was calculated for each of 10.98 ha (11 x 11 pixels) landscape throughout the study area based on the dominance of the land-cover types by five calculation methods with different combinations of land-cover types. Then, the landscapes of upper 5 % in H’ was selected as the potential hotspots in terms of highly complex patch mosaics. Among the five potential hotspots, the calculation of H’ with four land-cover types (forest, agriculture, water, and bare land) was thought to be most suitable to set conservation targets at a regional scale, because the potential hotspots by this method showed aggregated distribution patterns, and was less sensitive to the small residential patches. While, no clear distribution trend was observed along the environmental gradients.
Phenomenon of Inbreeding Depression on Maize in Perspective of The Quran Ali, Mudzakkir; Kuswanto, Kuswanto; Kustanto, Heri
AGRIVITA, Journal of Agricultural Science Vol 41, No 2 (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.v41i2.2022

Abstract

The objectives of this study were to learn and prove the truth and scientific miracles of The Quran, specifically the prohibition of incest for humans, also applies and affects especially on the growth and yieldin particularly open pollinated plants such as maize through the process of inbreeding depression. The results of yield of each genotype of the tested inbred line showed yield reduction in all inbred lines tested from generation of S1 to S5. Lamuru and Bisma which were generated with an open pollinated breeding produced relatively stable yield from generation of S1 to S5. The entire tested inbred lines showed some trait changes, such as height of crop (cm) and yield of grains (t/ha) that tended to decline and die, while Lamuru and Bisma tended to be stable. It is implied in letters of The Quran, which forbid inbreeding for human that is very detrimental, not only on life sustainability of human beings and animals, but also on plants, particularly on the cross-pollinated plants. The scientific truth of The Quran which prohibits incest for humans are proven to be identical and also apply in maize.
Application of Coastal Sediments and Foliar Seaweed Extract and Its Influence to Soil Properties, Growth and Yield of Shallot in Peatland Sulakhudin, Sulakhudin; Hatta, Muhammad; Suryadi, Urai Edi
AGRIVITA, Journal of Agricultural Science Vol 41, No 3 (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.v41i3.939

Abstract

The high soil acidity and low nutrient content in the peatland may inhibit the growth and yield of shallot and result low productivity. As consequence, the use of peat as a growing medium needs soil fertility improvement. One alternative to improve soil fertility, growth and yield of shallot is by applying coastal sediment and foliar seaweed extract which are easy to obtain and relatively inexpensive in West Kalimantan. This study aimed to investigate soil chemical properties, growth and yield of some shallot variety after the application of coastal sediment and foliar seaweed extract (Eucheuma cottonii). A field trial was carried out through the wet period of 2014 in West Kalimantan, Indonesia. The foliar seaweed extract was applied as the foliar fertilizer (0 and 3%), meanwhile the addition of coastal sediment was done at doses of 0 and 40 t/ha. The application of coastal sediment of 40 t/ha improved some chemical properties i.e. pH and the availability of K, Ca, Mg and Na of peat soil. The combination of foliar seaweed extract with 3% and 40 t/ha of coastal sediment increased growth and yield of all shallot variety in peatland compared to using foliar seaweed extract or coastal sediment only.
Improvement Chemical Properties of Oxisols and Rice Production with Humic Substances from Sub-bituminous Coal Indonesia Herviyanti Herviyanti; Gusnidar Gusnidar; M. Harianti; A. Maulana
AGRIVITA, Journal of Agricultural Science Vol 41, No 3 (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.v41i3.1106

Abstract

Humic Substances (HS) sources of  Sub-bituminous can be used as soil amandement. The purpose of this research was to examine the residual effects of HS combined with P-fertilizers and the method of  incubation to improve Oxisols fertility and rice production. The experiment consisted of 2 factors, including: 1) incubation methods (i.e. I1 = HS incubated 1 week, then incubation of P fertilizers 1 week; I2 = HS and P- fertilizers directly incubated into the soil  2 weeks; and I3 = HS and P-fertilizers mixed 1 week, then incubated to soil 1 week), and 2) residual effect of HS with P-fertilizers combinations (i.e. H1 = 800 ppm + 100%; H2 = 800 ppm + 75% R; H3 = 400 ppm + 100% R; and H4 = 400 ppm + 75% R). All treatment was compared to the tradition of fertilization by the local farmers and control. The results showed that the combination of residual effects (HS and P-fertilizers) with the incubation method decreased exchangeable Al, as consequently increased the available P in Oxisols. The HS addition increased the efficiency of P fertilizers up to 25%, as well as increased rice production in averaged 3.9 t/ha (i.e. treatment H4).
Feeding Preference and Development of Sitophilus oryzae L. on Organic and Inorganic Rice Cultivation Ludji Pantja Astuti
AGRIVITA, Journal of Agricultural Science Vol 41, No 3 (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.v41i3.2362

Abstract

This study examined the preferences and development of Sitophilus oryzae on different organic and inorganic rice varieties by free-choice and no-choice tests. Feeding preference was assessed by the male and female adult present and the percentage of weight loss. The development was assessed by the numbers of eggs, larvae, pupae, and adults, the period of eggs, larvae, and pupae, the total development time, larval growth index, growth index, and biotic potential. The free-choice test showed that the number of male and female present and the percentage of weight loss were higher on inorganic rice than on organic rice of either the Shinta Nur or IR-64 variety. The no-choice test showed that the numbers of eggs, larvae, pupae, and adults were higher on inorganic rice than on both varieties of organic rice. The period of eggs, larvae, and pupae and the total development time were shorter on inorganic rice than on organic rice. The larval growth index, growth index, and biotic potential were higher on inorganic rice than on organic varieties. Organic rice had high levels of phenolic, amylose, and carbohydrates, but smaller seed size and lower protein levels and ash was preferred less compared with inorganic rice of both varieties.
Size Classification of Tomato Fruit Using Thresholding, Machine Learning, and Deep Learning Techniques Robert G. de Luna; Elmer P. Dadios; Argel A. Bandala; Ryan Rhay P. Vicerra
AGRIVITA, Journal of Agricultural Science Vol 41, No 3 (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.v41i3.2435

Abstract

The size of tomato fruits is closely related to the market segment and price. Manual sorting in tomato is very dependent on human interpretation and thus, very prone to error.  The study presents thresholding, machine learning, and deep learning techniques in classifying the tomato as small, medium, and large based from a single tomato fruit image implemented using Open CV libraries and Python programming. Tomato images with different sizes are gathered where features like area, perimeter, and enclosed circle radius are extracted. The experiment shows that using thresholding, a classification accuracy of 85.83%, 65.83%, and 80% was achieved for area, perimeter, and enclosed circle radius, respectively. For machine learning, the training accuracy rates were recorded as 94.00%-95.00% for SVM, 97.50-92.50% for KNN and 90.33-92.50% for ANN. Comparison of models revealed that SVM is the most model without over fitting. The deep learning approach, regardless of the algorithm, produced low performances with 82.31%-78.21%-55.97% training-validation-testing accuracy for VGG16, 48.17%-41.44%-37.64% for InceptionV3, and 56.05%-44.96%-22.78% for ResNet50 models. Comparative analysis showed that machine learning technique bested the performance of the thresholding and deep learning techniques in classifying the tomato fruit size in terms of accuracy performance.

Page 52 of 94 | Total Record : 934

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