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AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian

agrosainstek
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Published by Universitas Bangka Belitung

ISSN : 26152207 EISSN : 2579843X DOI : -

Core Subject : Science, Agriculture, Social,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian (AGROSAINSTEK: Journal of Agricultural Science and Technology) is a journal that publishes research articles, review articles, and research notes related to agrotechnology in both Bahasa and English. The published fields consist of plant cultivation, plant breeding, plant ecophysiology, seed science, land agriculture, post-harvest, plant pests and diseases, weeds, agricultural technology, and agricultural biotechnology.

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Articles 202 Documents

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Ameliorasi Media Tailing Pascatambang Timah dengan Sabut Kelapa pada Budidaya Pakcoy (Brassica rapa L. chinensis) dengan Sistem Irigasi Growick Inonu, Ismed; Apriyadi, Rion; Utari, Dera
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 5 No 1 (2021): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Post-tin mining is mostly in the form of sand tailings, with a texture dominated by the sand fraction, so that the water holding capacity is low. The growick irrigation system was developed for plant cultivation in post-mining land, by utilizing a capillary axis to maintain the water content of the planting medium, it is necessary to ameliorate it with coconut husk. This study aims to determine the effect of the dose of coconut husk added to the sand tailings medium on the growth and yield of pakcoy with growick tailings irrigation system. Research held in the experiment and research Station of Universitas Bangka Belitung, Balunijuk Village, Merawang District, Bangka Regency from January to April 2020. The study used a single completely randomized design (CRD) with 3 replications. The treatment dosage of coconut husk studied was 0; 200; 400; 600; 800, and 1000g per polybag. The data obtained will be analyzed statistically using the Analysis of Variance and Duncan's Multiple Range Test (DMRT) Î± = 5%. The results showed that the growth and production of pakcoy were affected by the dose of coconut husk ameliorant, and the best growth and production was obtained at a dose of 600 g. Efficient use of water by plants at a dose of 600 g is the most efficient.

Isolasi dan Seleksi Cendawan Rhizosfer dan Endofit asal Tanaman Kelor sebagai Agens Penginduksi Perkecambahan pada Benih Padi Mirsam, Hishar; Masluki, Masluki; Mutmainnah, Mutmainnah
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 5 No 1 (2021): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v5i1.227

Rhizosphere and endophytic fungi are functional types of microbes capable of producing secondary metabolites that can affect plant growth directly or indirectly. This study aims to isolate and test the rhizosphere and endophytic fungi' ability from Moringa (Moringa oleifera L.) against rice seeds' viability and vigor. Fungus exploration was carried out on soil samples in the rhizosphere and stem and leaf tissue of healthy Moringa plants. Isolation of fungi from the rhizosphere was carried out using 10-2 and 10-3 dilution techniques, while the isolation of endophytic fungi was carried out on the leaf and stem tissue of Moringa, then cultured on potato dextrose agar (PDA) medium. The pathogenicity test of fungi and its effect on in-vitro rice seed germination using the blotter test method, namely growing 25 rice seeds on seven-day old fungal isolates. Nineteen fungal isolates were isolated and collected from the parts of the Moringa plant. Pathogenicity observations showed that there were five fungal isolates as potential pathogens, namely isolates RF2, RF5, RF6, RF8, and EDF6. A total of four fungal isolates tested consistently showed a positive effect on seed viability and vigor with a value of â‰¥90%, namely isolates RF4, EDF1, EDF2, and EDFbt3.

Stabilitas Hasil Calon Varietas Jagung Hibrida Toleran Nitrogen Rendah Priyanto, Slamet Bambang; Wicaksana, Noladhi; Rachmadi, Meddy
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 5 No 1 (2021): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

The improvement of low nitrogen tolerant hybrid maize face on genotype x environment the genotype x environment interaction caused a genotype unable to maintain its appearance under suboptimal conditions. it caused the breeders difficult to choose varieties that are stable at optimal and suboptimal conditions. The using of simultaneous stability analysis methods can provide more authentic stability information. This study aims to 1) determine the yield stability of the promising low N tolerance hybrid maize varieties, 2) to obtain varieties that have high yield and stability and under optimal and sub-optimal conditions. This research was conducted at Bajeng Experimental farm, Gowa, South Sulawesi. The research was arranged in a split-plot design with two replications. Three levels of fertilizer N (N0 = 0 kg N ha-1, N1 = 100 kg N ha-1 and N2 = 200 kg N ha-1) as the main plot and 39 genotypes of maize (36 hybrids resulting from crosses of low N and 3 checks varieties Nasa 29, Bisi 18 and Jakorin 1) as the subplot. The variable measured was grain yield. The yield stability analyses were performed by Francis and Kannenberg, Finlay and Wilkinson, Eberhart and Russel, and GGE Biplot methods. The results showed that there were no genotypes stable in overall the four methods, but three genotypes considered as stable genotype based on two methods. H5, H6 and H15 genotype were the genotypes with high stability and high yield. The three genotypes had the opportunity to be released as a low Nitrogen tolerant maize hybrid.

Potensi Bakteri Asal Bambu dalam Memproduksi Asam Indol Asetat (IAA) Al Banna, Maisya Zahra; Arifuddin, Widiastini
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 5 No 1 (2021): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v5i1.233

Bamboo are known having a high adaptive ability to tolerate environmental changes or stresses. Endogenous microorganisms in several parts of bamboo have been reported used as organic fertilizer and biocompost. However, bacterial potential as auxin (IAA) producer has not been widely report, especially for Torajasâ€™ local bamboo. In this study, rhizosphere and endophytic bacteria were isolated from six different bamboo. Bamboo samples were obtained from the bamboo forest station area of North Toraja. Rhizosphere bacterial isolates were obtained from the area around the roots of bamboo plants, while endophytic bacterial isolates were obtained from roots and shoots bamboo tissue. Six rhizosphere isolates and 12 endophytic isolates were obtaind. All isolates were indentified for morphological, physiological, biochemical tests and IAAâ€™s activities. There are 12 IAA-producing isolates, which where dominated by endophytic bacterial isolates. Based on 16S molecular identification, it was found that K12 isolates were similar to Bacillus cereus, with an IAA concentration value was 1.301 mg L-1. While K14 isolated has similiarities with Stenotrophomonas maltophilia with the abiliy to produce IAA was 2.737 mg L-1. The reconstruction of the phylogeny tree showed that K12 isolate had similiarity with Bacillus wedimannii, and K14 isolate was related to Stenotrophomonas sp.

Effect of Microwave Treatment on the Profile of Volatile Compounds and Characteristics of White Pepper (Piper nigrum L.) Essential Oil Elfahdi, Atma
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 5 No 1 (2021): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Microwave treatment on white pepper was conducted to damage cell tissue to facilitate the distillation and increase the yield of essential oils. The research objective was to determine the effect of pepper varieties and microwave treatment on the profiles of volatile compounds and the characteristics of white pepper essential oils. The research was conducted with 50 grams of white pepper placed into a 15 cm diameter petri dish and put in a microwave oven at the power of 600 watts for 90 seconds then white pepper milled by hammer mill. Essential oils were obtained using the water distillation method then were tested for their characteristics and compounds using Gas chromatography-Mass Spectrometry (GC-MS). White pepper was analyzed using the water content, piperine content, and its cell tissue microstructure was analyzed using Scanning Electron Microscope (SEM). The results showed that different pepper as accession produced different profiles of volatile compounds, characteristics, and antioxidant activity (p<0.05). The number of volatile compounds of white pepper essential oils identified by GC-MS was 42, where the largest compound was Î²-caryophyllene (50.51%). Microwave treatment damaged the cell wall of white pepper, lowered water content (17.43%), increased piperine content (10.57%) and essential oil yield (25%), and changed the profiles of volatile compounds of essential oils of Lampung daun lebar accession. Color became bluer (b*value rises by 201.99%), increased specific gravity (1.27%) and antioxidant activity (7.4%), decreased solubility in 95% ethanol (17.95%) and acid number (20.8%) while the refractive index was not affected by pepper accessions and microwave treatment.

Pengaruh Teknik Pengendalian Gulma dan Frekuensi Aplikasi Insektisida terhadap Kelimpahan Populasi dan Intensitas Serangan Hama Utama pada Tanaman Lada (Piper nigrum L.) Apriyadi, Rion; Lestari, Tri
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 5 No 1 (2021): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

The control of pepper stem borer Lophobaris piperis Marsh (Coleoptera: Curculionidae) and berry sucker Dasynus piperis China (Hemiptera: Coreidae) is using insecticide application and culture technique. The objectives of the research was to asses the effect of weed control techniques and the frequency of insecticide application to the abundance and damage intensity caused by L. piperis and D. piperis on pepper plant. The research was conducted in local farmer pepper plantation with combination of weed control technique (weeding, herbicide, and Arachis pintoi) and frequency of insecticide application (2 and 4 times a year). The abundance of pepper plant pests has discovered in pepper plantation with weed control using weeding and herbicide application combined with frequency of insecticide application 4 times a year. The highest absolute damage intensity and relative damage intensity were found in pepper plantations with a frequency of insecticide applications 2 times a year. The damage intensity tended to decrease in pepper plantation that applied weed control techniques using A. pintoi.

Variabilitas, Korelasi, dan Analisis Kelas Sepuluh Genotipe Nilam (Pogostemon cablin Benth.) Nurmayanti, Sri; Tahir, M; Dianti, Gusti Ayu Putu
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 5 No 1 (2021): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Patchouli is a plant that produces essential oils that cannot be substituted with other essential oils. The genetic diversity of patchouli is low, because in Indonesia there are only five superior clones, and this is caused a limitation for cultivation. Therefore it is necessary to produce new superior clones filled by national standards. This study tested nine patchouli superior genotypes resulting from mutations. The main objective of this research were to obtain the results stability, wide variability, to determine the correlation of each parameter and class closeness among ten patchouli genotypes. The study used nine plant clones of patchouli from the collection and one patchouli variety released in Indonesia as a comparison, namely Lhoksemauwe. The treatments were arranged in a completely randomized block design with three replications. Based on the results of the study, there was no significant difference in almost all observed parameters except for the stem diameter parameter. The genotype used has shown the stability of the results at the Rajabasa location in South Lampung. The variability in almost all parameters showed broad criteria, except for the parameters of cell turgidity and oil yield. Significant positive correlations occurred between several observed parameters. There are four classes formed and three of it have more than 90% closeness.

Karakterisasi Morfologi dan Potensi Hasil Durian Lokal Bangka: Karakterisasi Morfologi dan Potensi Hasil Durian Lokal Bangka Eries Dyah Mustikarini; Nyayu Siti Khodijah; Yulistia Yulistia
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 1 No 1 (2017): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Durian is a plant that susceptible to genetic erosion. Exploration and characterization of Bangka local durian need to be protected germplasm of Bangka local durian. This research aims to characterize the morphology, determine the relationship, and yield of Bangka local durian. The research had been conducted in December 2011 to February 2012 in West Bangka, Central Bangka, and South Bangka regency. The research methods were exploration, identification, and characterization. The result shows there are 11 accessions from West Bangka, 11 accessions from South Bangka and 5 accessions from Central Bangka. Similarity analysis using quantitative and qualitative characteristics divides into five groups at 60% similarity level. The average yield of Bangka local durian about 40-250 fruits/year. Sigajah accession has the highest yield potency with average fruit weight of 2.3 kg and 60-140 fruits/plant.

Hasil dan Komponen Hasil Kedelai (Glycine max L. Merr) yang Diberi Pemupukan Nitrogen Lanjutan pada Fase Reproduktif (R1) Helmi Salim; Sosiawan Nusifera; Nyimas Myrna Elsa Fathia
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 1 No 1 (2017): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

This research aim to determine the effect of continued nitrogen fertilization to reproductive phase on yield and yield components of soybean. The experiment conducted in teaching and research farm, Faculty of Agriculture, University of Jambi from April to September 2014. The experiment arranged in factorial randomized block design with two replications. First factor were four soybean varieties and second factor were dosages of continued nitrogen fertilization consist of 0 kg ha-1 (n0), 40 kg ha-1 (n1), 50 kg ha-1 (n2) and 60 kg ha-1. Measured variables observed were the length of reproductive phase, number of pods per plant, number of filled pods, weight of 100 seeds, and weight of seed per plant. The result showed that nitrogen did not have effect on evaluated varieties. There were differences in length of reproductive phase, number of pods per plant, number of filled pods, and weight of 100 seeds among soybean varieties. The second nitrogen fertilization with different dosages gave significant effect in number of pods per plant, number of filled pods and weight of seed per plant. Four varieties had same yield potential if developed around research area, but to get larger seed size, Anjasmoro variety was highly recommended. The best dosage to increase yield between varieties was n2 (50 kg N ha-1).

Uji Efikasi Ekstrak Daun Mengkudu, Kemangi dan Jambu Biji dalam Menghambat Pertumbuhan Cendawan Colletotrichum gloeosporioides pada Buah Pepaya Sari Susanti; Riwan Kusmiadi; Sitti Nurul Aini
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 1 No 1 (2017): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Anthracnose disease is a crucial problem in the cultivation of papaya. It is caused by C.gloesporioides. one way to overcome this problem was by using natural fungicides. Some of the natural substances that have natural fungicides as their property are noni, basil, and guava. The research was conducted at the Microbiology laboratory of the Faculty of Agriculture, Fisheries, and Biology of Universitas Bangka Belitung January to April 2016. The research utilizes Randomized Analysis Complete Design with Factorial structure. The first factor are the extracts (E), consists of noni leaves (E1), basil leaves (E2), and guava leaves (E3). The second factor are the concentrations of the extract, consists of 0% (K0), 10% (k1), 20% (K2), 30% (K3), 40% (K4), 50%(K5), and 60% (K6). The data was analysed using analysis of variance at α 5%, with the used of SAS Program (Statistical Analytic System), if the effect was found significant, the data was further analysed using DMRT (Duncan Multiple Range Test). The research result showed that the extract of guava leaves at 30% concentration provided the best result in inhibiting the growth of C.gloesporioides in papaya.

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