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Agrotechnology Study Program Secretariat of Universitas Prof Dr Hazairin SH Jl. Jend. Sudirman No. 185, Kelurahan Kebun Ros, Kecamatan Teluk Segara Kota Bengkulu, 38000 Bengkulu, Indonesia
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Buletin Agroteknologi
Published by Universitas Prof. Dr. Hazairin, SH
ISSN : -     EISSN : 27227235     DOI : https://doi.org/10.32663/ba.v%vi%i.%a
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Buletin Agroteknologi is an international peer-reviewed scientific journal published by Universitas Prof Dr Hazairin SH and managed by the Agrotechnology Study Program of Universitas Prof Dr Hazairin SH. This journal is aimed to publish or disseminate research articles or review articles in the field of agriculture especially related to agrotechnology namely the cultivation/production technology of agriculture. The scope of research or topics discussed in this Buletin Agroteknologi are plant cultivation, plant breeding, plant diversity, soil science related to crop production, science and technology of plant protection, economic analysis of crop cultivation technology, and other topics related to plant production technology. Buletin Agroteknologi is a journal published twice a year (biannually). Publication schedules are in June and December of the year.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 5 Documents
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Search results for , issue "Vol 1 No 2 (2020): December" : 5 Documents clear
Comparison of Deoxyribose Nucleic Acid Purification Methods of Mangosteen (Garcinia mangostana L.) and Its Relatives Sulassih Sulassih; Edi Santosa
Buletin Agroteknologi Vol 1 No 2 (2020): December
Publisher : Universitas Prof. Dr. Hazairin SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (763.083 KB) | DOI: 10.32663/ba.v1i2.1469

Abstract

Mangosteen (Garcinia mangostana L.) and its relatives (Garcinia hombroniana, Garcinia celebica, Garcinia forbesii, Garcinia malaccensis, Garcinia porecta, Garcinia subeliptica, Chalophylum inophylum) contain polyphenol compound. The polyphenol compound makes pure deoxyribose nucleic acid is difficult to reveal. The aim of this research was to find the deoxyribose nucleic acid purification method of mangosteen leaves and its relatives. The research was conducted from January to August 2015 at the Center of Horticultural Tropical Studies Laboratory, Bogor Agricultural University. The mangosteen leaves were isolated based on cetyl trimethyl ammonium bromide (CTAB) buffer extraction added by 2X chloroform isoamyl alcohol (CIAA 24:1), 3X CIAA 24:1, and sliced gel purification using Fermentas kit extraction. The result showed that CTAB added by 2X CIAA was the best treatment for Garcinia mangostana L. and its relatives for purification of deoxyribose nucleic acid. This modified method produced an apparent amplified polymerase chain reaction using PKBT7 inter simple sequence repeat marker. It was applicable to evaluate genetic diversity interspecies.
Nutrient Uptake, Partitioning, and Production of Two Subspecies of Brassica using Different Solution Concentrates in Floating Hydroponics Systems Mercy Bientri Yunindanova; Subuh Pramono; Muhammad Hamka Ibrahim
Buletin Agroteknologi Vol 1 No 2 (2020): December
Publisher : Universitas Prof. Dr. Hazairin SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (716.805 KB) | DOI: 10.32663/ba.v1i2.1810

Abstract

In this study, we investigated nutrient uptake, partitioning, and production of two subspecies of Brassica in response to nutrient solution concentration in floating hydroponics systems. This study used a complete randomized block design factorial with two factors. The first factor was two Brassica subspecies consisting of Brassica rapa subsp. chinensis (Pak Choi) and Brassica rapa var. parachinensis (Choy Sum). The second factor was the concentration level consisting electrical conductivity (EC) 1 mS cm-1 and EC 2 mS cm-1. The results indicated the absorption rates of nitrogen (N,) phosphorus (P), and potassium (K) in leaves, roots and stems were similar in both nutrient concentrations. In general, all combination treatments resulted more accumulation of P followed by N, also K as the smallest proportion. P was mostly accumulated at the root and leaves (19.60 to 25.90 mg g-1), while majority of N was collected in leaves ranging from 18.00 to 24.30 mg g-1. The highest K content was detected in the stem (10.70 to 14.20 mg g-1). P uptake was 1.69 to 2.47 times higher than K, while N uptake was 1.44 to 2.04 times higher than K. Both two subspecies and concentrations performed no significant effects on nutrient uptake. Although same species, the plant growth parameters of Pak Choi and Choy Sum are very different including plant height, leaves number, width and length. Both two subspecies adapted well with both concentrations. However, significant differences were recorded in the combination of subspecies and nutrient concentration on plant growth and production parameters. To achieve higher market portion, Pak Choi would be more suitable to be planted on EC 1 mS cm-1, while Choy Sum was favorable at both concentrations.
Mentha arvensis, a medicinal and aromatic plant, has high nutritional value and several-uses: A review Muhammad Nazim; Qurat-Ul-Ain Sadiq; Aamir Nawaz; Shazia Anjum; Muqarrab Ali; Haseeba Maryam
Buletin Agroteknologi Vol 1 No 2 (2020): December
Publisher : Universitas Prof. Dr. Hazairin SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (594.664 KB) | DOI: 10.32663/ba.v1i2.1180

Abstract

Mentha arvensis or mint is a renowned medicinal and aromatic plant. It is annual plant and cultivated in the tropical and sub-tropical regions under irrigation. Its cultivation has significant importance, such as for food flavoring, medicinal applications, essential oil applications, and also using in traditional purposes. Its essential oil contains many components phenolic, aldehydes, ketones, and carbohydrates. Menthol is a fundamental component of Mentha arvensis essential oil. Menthol has also several industrial applications, especially in food, cosmetics, pharmaceuticals, and by-products. There are many types or variations of menthol found in Mentha arvensis depending on the species or cultivars as well as cultivation conditions, such as weather, irrigation, soil type, pruning, and other agronomical practices. It has interesting and valuable botany, morphology, and ecology. Its growth rate is strongly affected by the change of variables, such as pH, temperature, and nutritional values of soil. The extraction of essential oil and the post-harvest analysis are done by using traditional methods for Mentha arvensis oil production in developing countries. Research on oil extraction methods, maximizing yield per hectare, and optimum preservation are needed for the further, especially in post-harvest of mint leaves and roots.
Variation in chemical composition and microbial contamination of Maize (Zea mays, L.) seedlings collected from different locations of Buner, Khyber-Pakhtunkhwa, Pakistan Usman Usman; Hafeez Ur Rahim; Saleem Ullah; Iftikhar Jan; Sajjad Ahmad
Buletin Agroteknologi Vol 1 No 2 (2020): December
Publisher : Universitas Prof. Dr. Hazairin SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (662.326 KB) | DOI: 10.32663/ba.v1i2.1355

Abstract

The current study was aimed to investigate the proximate composition, mineral profile, total bacterial count (TBC), and total fungal count (TFC) in the maize seedlings of “Azam variety” collected from 14 different locations of “District Buner” namely: Agarai, Ambela, Bashkata, Dagger, Elai, Jangai, Karapa, Khanano Derai, Koga, Makhrani, Nawagi, Pir-Baba, Shalbandai, and Sultanwas. The laboratory analysis of maize seedlings revealed that the highest moisture content (13.16 %) was recorded in the samples from Sultanwas, crude fiber (2.55 %) and crude protein (12.38 %) were recorded in Agarai, while ash (3.48 %), crude fat (3.46 %), and NFE (79.94 %) were found maximum in Koga. The lowest value of the moisture (7.66 %) was found in the sample of Shalbandi, crude fiber (0.68 %) was found in Bashkata, NFE (67.28 %) was found in Khanano Derai, whereas ash (1.30 %), crude fat (1.36 %), and crude protein (7.25 %) were reported in Makhrani. In the case of mineral, the maximum Na (71.55 mg 100 g-1), K (415.67 mg 100 g-1), and P (405.41 mg Kg-1) were found in Shalbandai, Daggar, and Sultanwas while the lowest was observed in Elai and Makhrani. Likewise, maximum Fe (6.85 mg 100 g-1) was recorded in Koga, Zn (5.48 mg 100 g-1), and Mn (2.9 mg 100 g-1) in Makhrani, while Cu (2.96 mg 100 g-1) and Mg (175.4 mg 100 g-1) were found in Dagger. However, the minimum concentration of Zn (4.08 mg 100 g-1) and Cu (0.05 mg 100 g-1) were found in Agarai, Mn (0.4 mg 100 g-1) in Sultanwas, Fe (0.45 mg 100 g-1) in Pir-Baba and Mg (111.1 mg 100 g-1) in Jangai. The TBC and TFC were highest in Elai (3.94 ×104) and Pir-Baba (4.46×103) samples while the lowest value was observed in Karapa (3.6×103) and Makhrani (1.3×102), respectively. Besides, some fungal genera were also identified in the collected samples including Aspergillus spp., Fusarium spp., Pencillium spp., and Rhizopus spp. Overall, It was concluded that geographical and environmental conditions are the major contributing factor that impacts the chemical composition and micro-flora of maize variety in different locations.
Effects of coffee management on Bee Floral Diversity, Honey Yield and Quality: The Case of Gera District, Jimma Zone, South West Ethiopia Shabu Jemal Abakorma; Kitessa Hundera; Zerehun Kebebew
Buletin Agroteknologi Vol 1 No 2 (2020): December
Publisher : Universitas Prof. Dr. Hazairin SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1025.33 KB) | DOI: 10.32663/ba.v1i2.1163

Abstract

This study was conducted to assess the effect of forest management for coffee cultivation on bee flora diversity, honey yield and quality as forest crop products in Gera district. Forest coffee (FC) and Semi-forest coffee (SFC) plots were selected for bee flora assessment. Total of 34 plots (FC = 17, SFC = 17) with plot size 20 m x 20 m (400 m2) were assessed. Sixty bee flora species belonging to trees (30), shrubs (21) and woody lianas (9) were identified and compared across plots. Results show that more bee flora diversity in FC (2.03) than SFC (1.09) system. Honey yield data was collected from 78 (FC = 52, SFC = 26) beekeepers. The honey yield of FC was higher than SFC system in both high and low production years. The honey production on average was 9.58 kg hive-1 for FC and 6.44 kg hive-1 for SFC in high production year while 6.5 kg hive-1 for FC and 4.24 kg hive-1 for SFC in low production year. To assess the honey quality, 6 kg honey samples (FC = 3, SFC = 3) were collected. Six honey quality parameters i.e. moisture, ash, pH, free acidity, electrical conductivity (EC) and total soluble solid (TSS) contents. The biochemical variation in the composition is significantly different (P<0.05) in ash content, pH, EC and free acidity when comparing FC with SFC honey samples while the percentage of moisture and TSS contents were insignificant (p>0.05). The study revealed that coffee management is associated with a decline in bee flora diversity, honey yields and on top of this, it has implications on honey quality deteriorations. Thus, there is an urgent need for control and monitoring on the expansion of SFC cultivation, which needs immediate conservation measures. Therefore, conservationists have to take actions for biodiversity conservation specially bee flora species diversity and ecosystem services that accompanied with coffee management and FC intensifications.

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