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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 909 Documents
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LIFE-HISTORY TRAITS OF Stethorus gilvifrons (MULSANT) (Coleoptera: Coccinellidae) ON PHYTOPHAGOUS MITES Eutetranychus orientalis KLEIN (Acari : Tetranychidae) Handoko, Handoko; Affandi, Affandi
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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The research aims to know the life cycle, feeding and mating behavior of predatory beetle S.  gilvifrons, and was conducted at entomology laboratory of Assessment Institute for agri-cultural technology Malang - East Java. The treatments involved feeding behavior and capacity of the various instars and imago of S. gilvifrons. The number of mites consumed within 24 hours by each stage of beetle was also recorded. The average voracity of five individual predators for each instar was determined.  The result showed that average life cycle of S.  gilvifrons feed on E. orientalis was 4.11 + 0.78; 8 + 1.10; 3.83 + 0.41, respectively for egg, larva and pupa.  The predator caught the preys from the front side, then chewed and sucked the body contents of adult preys or consumed the whole egg.  The feeding capacity was greater in egg-laying than that in non egg-laying females and males.  The smallest size of the cage (1.5 cm diameter x 5 cm long) and clear weather were the most preferred situation for S.  gilvifrons mating, which  usually occurs on the upper leaf surface.  The male positioned itself over the female body and extended its aedeagus to reach the female.    Keywords: Life-history, Stethorus gilvifrons, phytophagous mites
AGE STRUCTURE AND SEX RATIO OF THRIPS Scirtothrips dorsalis HOOD (Thysanoptera : Thripidae) ASSOCIATE WITH MANGO AGROECOSYSTEM IN EAST JAVA, INDONESIA Affandi, Affandi; dela Rosa Medina, Celia
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

A research aimed to investigate the age structure and sex ratio of S.  dorsalis Hood in  mango agroecosystem was conducted at PT. Trigatra Rajasa farm, Situbondo, East Java, Indonesia.   The research was started from April to May 2013.  A Completely Randomized Design, Analysis of Variance and Least Significant Difference were used to design, knew the variance and significantly different among the treatment, respectively.  Thirteen mango trees set in cross section were sampled and observed for the presence of S. dorsalis including weeds under the mango canopy and four cardinal directions of border.  A weekly sample was done for four weeks. The result showed that instar one and adult were preferred to associate with weeds under the mango canopy and borders compare to mango leaves except second instar. Further, observation was presented that all the age structures were given equal male female sex ratio.   Based on total population numbers, there wasnt significantly difference of age structure and sex ratio of S. dorsalis associate with weeds inside the orchard including mango leaves and borders.   Twenty seven species of weeds were discovered associate with mango agroecosystem and comprehensively discused based on the most dominance and preferred by S. dorsalis.  Key Words: S. dorsalis, age structure, sex ratio, mango, weeds.  
EFFECT OF PRIMING ON SEED VIGOR OF WHEAT (Triticum aestivum L.) Arief, Ramlah; Koes, Fauziah; Komalasari, Oom
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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Priming is a process that controls the process of hydration of seeds for the ongoing metabolic processes before germination.  Research on   priming   was conducted  at  ICERI seed laboratory  from May to September 2009  to evaluate the  effect of different priming methods on  wheat seed vigor. Physical properties and chemical composition of seed were evaluated before seeds were treated. The priming treatment were conducted by soaking 250 g of seed in  500 mL of  solution for hydropriming and halopriming.  Two seed lots of Nias and Dewata variety were subjected to heated and unheated  distilled water for 12hours and subjected  to  KCl and CaCl2  at 10, 20, and 30 ppm and unprimed seed. The experiment were arranged in completely randomized design,  replicated thrice.  Vigor evaluation by observed  seed germination, simultaneity growth, germination rate, seedling dry weight, electric conductivity of seed  leakage and  length of primary root.   The results showed that highest  germination,  simultaneity growth, seedling dry weight, and length of primary root,  were priming treatment    with  KCl  30 ppm  and CaCl2  20 and 30 ppm.  Priming  with distilled  water for 12 hours gave  higher  germination percentage  and  simultaneity growth.   Keywords : priming, wheat, seed, vigor                                                        
Humic and Fulvic Acids of Gliricidia and Tithonia Composts for Aluminium Detoxification in an Ultisol Wahyudi, Imam; Handayanto, Eko; Sykehfani, Sykehfani; Utomo, Wani Hadi
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

A laboratory experiment was conducted to elucidate roles of Gliricidia sepium and Tithonia diversifolia composts and their extracted humic and fulvic acids on aluminum concentration in an Ultisol. Those composts and humic and fulvic acids extracted from them mixed with soil were arranged in a complete randomized design with three replicates, and incubated for 90 days. Al concentration and pH of the soil were measured at 0, 3, 10, 20, 30, 45, 60, 75 and 90 days after incubation. Results of the study showed that the highest decrease in exchangeable Al concentration (90.5%) was observed for Tithonia fulvic acid treatment during 90 days, followed by Tithonia compost (88.4%), Gliricidia fulvic acid (82.3%), Gliricida compost (82.2%), Tithonia humic acid (75.66%), and Gliricidia humic acid (73.46%) treatments, whereas control only decreased exchangeable Al concentration by 0.9%. The rate of change in exchangeable Al concentration was fast for the first 45 days, but it then slowed down for the second 45 days (45-90 days). This was particularly observed with organic acid treatments, whereas compost treatment still showed a subsequent decrease. Patterns of Al chelate and pH were very similar to that of exchangeable Al. It was thus concluded that roles of humic and fulvic acids in reducing exchangeable Al was only short term, whereas compost played roles in the long term.Keywords: Ultisol, aluminium, humic acid, fulvic acid, gliricidia sepium, tithonia diversifolia
EFFECTS OF BIOFERTILIZER “M-STAR” ON LAND PRODUCTIVITY AND GROWTH OF SWEET CORN IN ACID SULPHATE SOIL OF SWAMPLAND Mukhlis, Mukhlis; Lestari, Yuli
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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This research aims to test the effectiveness of biofertilizer “M-Star” in increasing land productivity, growth of sweet corn and the efficiency of inorganic fertilizer used in acid sulphate soil of swampland. Research was conducted from May – July, 2012 in acid sulphate soil of Barambai, Barito Kuala Regency, South Kalimantan. The treatments involved (B1) Biofertilizer 25 kg/ha, (B2) Biofertilizer 15 kg/ha, (P1) NPK (recommendation dose), (P2) NPK (1/2 recommendation dose), (B1P1) Biofertilizer 25 kg/ha + NPK (recommended dose), (B1P2) Biofertilizer 25 kg/ha + NPK (1/2 recommended dose), (B2P1) Biofertilizer 15 kg/ha + NPK (recommended dose), (B2P2) Biofertilizer 15 kg/ha + NPK (1/2 recommended dose), and (K) No fertilizer. The treatments were arranged by randomized completely block design with 3 replications. Recommended dose of NPK fertilizer was at 90-60-50  NPK kg/ha. Observations were conducted on soil pH, soil and plant nutrients, growth of sweet corn (plant height and biomass weight), and microbial population. Research results showed that 15 kg/ha biofertilizer “M-Star” combined with inorganic NPK fertilizer could increase soil nutrients and sweet corn growth. This biofertilizer also increased the efficiency of inorganic fertilizer by 50%.Keywords: biofertilizer, sweet corn, swampland
STABILITY OF WHEAT GENOTYPES ADAPTED IN TROPICAL MEDIUM AND LOWLAND Ashari, Sumeru; Waluyo, Budi; Yulianah, Izmi; Kendarini, Niken; Jusuf, Mohammad
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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The research objective was to select wheat genotypes that can adapt on the medium and low plains. Twenty-seven genotypes and three varieties of wheat were grown in four locations in the medium and low plains since June-October 2009. The experiments were arranged using a randomized complete block design repeated three times. Analysis of variance performed at each location followed by a test of homogeneity of error range, the combined analysis of variance and yields stability analysis. Genotype x environment interaction significantly affecting yield. Stable genotypes and widely adaptable across locations were G-1 (1.94 t.ha-1), G-20 (1.24 t.ha-1), H-14 (1.85 t.ha-1), H-19 (1.59 t.ha-1), H-20 (1.69 t.ha-1), H-21 (1.48 t.ha-1), 162 (1.62 t.ha-1), 80 (1.63 t.ha-1), 82 (1.78 t.ha-1), 91 (1.49 t.ha-1), and 142 (1.45 t.ha-1). Genotypes adapted in productive environment were G-18 (1.23 t.ha-1), G-19 (1.63 t.ha-1), 185 (1.30 t.ha-1), 40 (1.33 t.ha-1) and 42 (1.52 t.ha-1). Genotypes adapted in marginal environments were 28 (2,22 t.ha-1), H-1 (1.61 t.ha-1), H-8 (1.65 t.ha-1) and H-16 (1.68 t.ha-1). Genotype was selected as an improvement material in the wheat breeding in medium and lowland of tropical regions.   Keywords: wheat selection, tropical, yield stability and adaptability
Response of Sesame Promising Lines (Sesamum Indicum L.) to Nitrogen in Irrigated Wetland After Paddy Hariyono, Budi; Romli, Moch.
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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An experiment on sesame was conducted in Nganjuk in 2005 to study the response of sesame promising lines to nitrogen in irrigated wetland after paddy. The experiment was arranged in factorial randomized block design with two factors and three replications. The first factor were two sesame lines (Si.25, Si.28) and Sbr.1 variety as control, whereas the second were five N dosage (0; 22.5; 45; 67.5 and 90 kg N/ha). Result showed that sesame in irrigated land after paddy was response to N. The respective optimum N dosages for irrigated  wetland after paddy were: 83.34 kg/ha for Si.28, and 42.20 kg/ha for Sbr.1. The best N dosage for Si.25 was 22.5 kg N/ha. The superior line for irrigated land after paddy is Si.28.Keywords: Sesame (Sesamum indicum L.), nitrogen, irrigated wetland after paddy
BIOCONTROL FOR RHIZOCTONIA STEM ROT DISEASE BY USING COMBINATION OF SPECIFIC ENDOPHYTE IN PADDY TIDAL SWAMP Budi, Ismed Setya; Mariana, Mariana
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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The use of combination of specific endophytic in tidal swamps to control stem root disease as biological control agents has not been done. It is expected that this combination is able to continuously protect plants from pathogen interference. The research was carried out in type C tidal swamp in Banjar regency of South Kalimantan, from March to November 2011, temperature 29-32oC, and pH 4.0-5.5.  The method used was Split Plot design. Biocontrol preparation for both types of endophytic was applied in seeds in 7 days after planting (DAP). Observation on high intensity and plant diseases of planting stage on tidal swamps (taradak, ampak and lacak) was conducted. The results showed that there was a reduction of disease ranging from 58.70 to 87.29%. The application of combination of two biocontrol agents (T. viride PS-2.1 + P. fluorescent PS-4.8), (Fusarium non-pathogenic PS-1.5 + P. fluorescent PS-4.8) and (T. viride PS-2.1+ FNP PS-1.5) isolate gave the best inhibition result, reduced disease intensity, and increased plant height. The result of soil analysis before and after application of endophytic showed that there was an increase in soil fertility with the element addition of N, P, K and pH. Keywords:  stem rot, endophytic combination, paddy, tidal swamp
DENDROBIUM AND PHALAENOPSIS GERMPLASMS CONSERVATION BY CLONING TECNOLOGY soetopo, lita; Purnamaningsih, Sri Lestari
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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The present studies were focused on regeneration of  dendrobioum and phalaenopsis species through cloning technique as a means for ex situ conservation of  protected or valuable orchids germplasms.Experimental results indicated the growth and development of adventive shoot tip explant dendrobium was as followed : high survival percentage for explant with green color was showed by D. racianum, followed by D. laxiflorum, D. pseudoconantum, D. strebloceras,  D. lineale and D. veratrifolium. But plantlets regeneration occurred only on D. pseudoconantum and D. strebloceras . Explant regeneration from seed derived protocorm-like bodies on D. spectabile occurred 40 days after inoculation and after subcultured. High survival percentage of explant from floral stalk shoot was showed by P. amabilis. There was several plantlets survived at acclimatitation. Explant regeneration from seed derived protocorm-like bodies on P. hieroglypha occurred 40 days after inoculation and after subcultured.It was suggested that for ex situ conservation on certain species of dendrobium and phalaenopsis in the category of rare or valuable germplasms, cloning technology could be applied by using explant from adventive shoot tip, floral stalk buds and seed derived protocorm-like body explant for vegetative seed multiplication.   Keywords : Orchid, conservation, germplasms in vitro culture.
Instruction for Author Trisnadi, Rizki
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

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