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Darwin H. Pangaribuan
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Journal of Agriculture and Applied Biology
Published by Future Science
ISSN : -     EISSN : 27235106     DOI : http://dx.doi.org/10.11594/jaab
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education
Journal of Agriculture and Applied Biology (J. Agric. Appl. Biol.) is striving to disseminate recent techniques and applications in agriculture and applied biology for researchers, students, and scholars in research institutes and universities worldwide. Journal focuses on crops, from seed to quality, growing under the tropical zones The journal publishes articles that report recent findings in the following areas: Seed Science and Technology Agronomy & Horticulture Agrotechnology Ecophysiology Crop Protection Soil Fertility & Organic Farming Land Use & Land Evaluation Sustainable Agriculture. Plant-Microbe Interactions Plant Biology Plant Biotechnology Agrobiodiversity Agroforestry Biosciences Biopharmaca Agroindustry Agricultural Engineering Postharvest Physiology & Technology Product Quality
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 118 Documents
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Use of GIS in soil fertility mapping of Rapti Municipality, Chitwan, Nepal Oli, Biplov; Lamichhane, Sushil; Oli, Khem
Journal of Agriculture and Applied Biology Vol 1 No 2 (2020): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.01.02.04

Abstract

Mapping the spatial distribution of soil fertility in a particular area gives an idea about the nutrient content in the soil which plays an im-portant role in fertilizer recommendation, sustainable soil manage-ment, integrated plant nutrient management, land use planning, and site-specific nutrient management (SSNM). A study was carried out to assess the soil fertility status of the Rapti Municipality, Chitwan, Ne-pal. A total of 120 soil samples was collected based on land use, slope, and aspects with the use of Google Earth Pro (GEP) and ArcGIS. Based on the soil test report spatial variation of soil texture, soil pH, total nitrogen, available phosphorous, and potassium of the study area was prepared. The majority of the study area (57.11%) has sandy clay soils. The soil pH was very strongly acidic to slightly alkaline with pH values ranging from 4.8 to 8.0. Soil organic matter (1.94-3.75%), total nitrogen (0.097-0.187%), available phosphorous (51.03-270.10 kg ha-1), and available potassium (169.87-358.68 kg ha-1) in the soil are within the range of medium to high in the study area. To maintain this nutrient status, the use of organic manure, reduced use of chemical fertilizers, and different soil management practices should be adopted in this area.
Effect of silver nanoparticles, synthesized from fleshy stem and leaves extract of Brassica campestris L., on Alternari lini inhibition Shah, Syed Awais Hussain
Journal of Agriculture and Applied Biology Vol 1 No 2 (2020): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.01.02.06

Abstract

Several fungal pathogens showed resistance against pesticides, plant mediated synthesized silver nanoparticles have been recognized as effective against them. The present research work was an attempt to synthesize silver nanoparticles by using fleshy stem and leaves ex-tract of Brassica compestris L. from silver nitrate, which reduces it to synthesized silver nanoparticles. Biosynthesized AgNP’s were char-acterized by different techniques like UV-visible spectrophotometry and Field Emission Scanning Electron Microscopy and fungal inhibi-tory activity by well diffusion method. The colour change of solution indicated the synthesis of silver nanoparticles. UV-visible spectro-photometer showed the peak between 415 to 455 nm for fleshy stem and leaves extract of B. compestris and Field Emission Scanning Elec-tron Microscope analysis revealed that spherical shaped nanoparti-cles with size 20-65 nm. These synthesized nanoparticles showed in-hibitory activity against fungi, Alternaria lini, a linseed blight patho-gen which causes linseed blight disease in Linum usitatissimum L. The 30 μl concentrations of silver nanoparticles had showed significant inhibition to growth of A. lini. These findings may suggest AgNP’s syn-thesized by B. compestris used against plant pathogenic fungi.
Morpho-physiological responses in wheat (Triticum aestivum L) influenced by normal and water stress conditions Piar Ali Shar; Akhtar Hussain Shar; Shabana Memon; Ayaz Ali Soomro; Saleem Ahmed Naich; Nadir Ali Rind; Asadullah Laghari; Khalid Hussain Rind; Parkash Meghwar; Sohail Ahmed Otho
Journal of Agriculture and Applied Biology Vol 2 No 1 (2021): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.02.01.01

Abstract

Drought is a disaster around the world accumulating salt and erosion in lands. Presently, a research was conducted to determine the mor-pho-physiological response in bread wheat under normal and stress irrigations. This experiment was conducted at the experimental field of Sindh Agriculture University, Tandojam, Hyderabad, Pakistan, for two consecutive years during the Rabi season of the year 2011-12 and 2012-13. Stress was imposed by withholding irrigations at three dif-ferent growth stages of the plant, i.e. T1: normal irrigations applied, T2: stress at tillering stage, and T3: stress at the booting stage. The progenies Sarsabz x Khirman and Sarsabz x TD-1 contributed the highest heritability% (81.0% and 85.5%) for osmotic potential (-MPa) at stress at booting stage. For grain yield spike-1(g), the progeny Kiran-95 x Khirman showed maximum heritability as 84.37 in T3. However, the progeny TD-1 x Imdad proved to be the best combiner progeny indicating highest heritability percentage (91.0%) among the progenies for grain yield at booting stress.
Effects of botanical extracts and antibiotic on incidence and severity of bacterial blight of cotton incited by Xanthomonas axonopodis pv. Malvacearum Iliya Bawa; H. Nahunnaro; Luka Yelwa Barde; Tabita Sule Gaba; Alhaji Musa
Journal of Agriculture and Applied Biology Vol 2 No 1 (2021): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.02.01.03

Abstract

A multilocational field trial was conducted to investigate the effect of some plant extracts (Bolanite aegyptica, Eucalyptus camaldulensis and Citrus aurantium) and a synthetic antibiotic (Streptomycin) on the incidence and severity of angular leaf spot on five cotton genotypes namely SAMCOT-8, SAMCOT-9, SAMCOT-10, SAMCOT-11 and SAMCOT-12 in Yola and Jalingo, both located in the northern guinea savannah zone of Nigeria. The experiment was carried out on a split-plot design having three replications with cotton genotypes on the main plots and plant extracts on the sub-plots. Data collected on the incidence and severity of the disease were analysed using the Generalized Linear Model procedure and means separation at 5% level of probability by Duncan Multiple Range Test. Findings of the study revealed that Streptomycin and Bolanite aegyptiaca were able to reduce the disease incidence by 18.12% from 58.69% in Yola at 13 WAS. In Jalingo however, B. aegyptiaca was found to have reduced the disease severity from 52.12% to 19.69% at 13 WAS. SAMCOT-8 consistently recorded lower incidence and severity means in Yola and Jalingo of 47.96%; 59.12% and 40.82%; 39.70% while SAMCOT-12 recorded higher means of 53.29%; 59.82% and 48.03%; 46.70% respectively.
Inventory of herbs plants at three different locations in forest education of Mulawarman University, Samarinda, East Kalimantan, Indonesia Rita Diana; Yasfini Hurum Mercury; Sutedjo
Journal of Agriculture and Applied Biology Vol 2 No 1 (2021): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.02.01.02

Abstract

Many plants have the potential to be medicinal from the herbaceous group. Herbaceous plants have short, small steam and have a wet trunk because they contain many water and non-woody. This research aims to inventory species of herbaceous plants that can be medicinal plants and other uses in three different locations. The results showed that 12 species were found in the slope area, 340 individuals. The highest number of SDRn of 29.26% was Nephrolepis biserrata (SW.) Schott. In the ramp, the area has been found of 11 species of herbaceous, 215 individuals. The highest number of SDRn of 34.81% was Phrynium pubinerve Blume. In a hill, area has been found 16 species of herbaceous, 542 individuals. The highest number of SDRn of 38.72% was Phrynium pubinerve Blume. Dominance index (C) in three locations research was 0.26, 0.23 and 0.31. Similarity index (ISs) in three locations was 60.87% (slope-ramp: high), 59.26% (slope-hill: medium) and 57.14% (ramp-hill: medium). There were 11 species as medicinal plants, 17 species as ornamental plants, and 2 species as crafts.
Use of neem (Azadirachta indica A. Juss) as a biopesticide in agriculture: A review bhandari, sudip; Adhikari, Kripa; Niraula, Dikshya; Shrestha, Jiban
Journal of Agriculture and Applied Biology Vol 1 No 2 (2020): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.01.02.08

Abstract

Neem (Azadirachta indica A. Juss) is a member of Meliaceae family, a fast-growing tropical evergreen plant whose products were found effective against economically important insect pests and diseases. All parts of this plant particularly leaf, bark, and root extracts have the biopesticidal activities. Azadirachtin, a biopesticide obtained from neem extract, can be used for con-trolling various insect pests in agriculture. It acts on insects by repelling them, by inhibiting feeding, and by disrupting their growth, and reproduction. Neem-based formulations do not usually kill insects directly, but they can alter their behavior in significant ways to reduce pest damage to crops and reduce their reproductive potential. The neem is considered as an eas-ily accessible, eco-friendly, biodegradable, cheap, and non-toxic biopesticide which control the target pests. Thus, this re-view highlighted the extract, byproducts and roles of neem that can be used as potential biopesticide in agriculture.
Evaluation of stored potato (Solanum tuberosum L.) for soft rot bacteria in Ibadan, Nigeria Durojaye Hammed Abiodun; Owoeye Tolulope Abisola
Journal of Agriculture and Applied Biology Vol 2 No 1 (2021): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.02.01.07

Abstract

Potato (Solanum tuberosum L.) is a tuberous crop from the Solanaceae family which is a source of starch and food to many in Nigeria, however, its production is being hampered in field and storage by bacterial pathogen which causes rot of the stored tubers. To this end, the study aimed at screening potatoes from different stores within Ibadan for the evaluation and diversity of bacteria pathogens responsible for rot in potatoes. Damaged stored potato samples were collected from different locations in Ibadan for studies, these samples were isolated for bacterial pathogen and characterized biochemically and observed under the microscope for identification. Three genera of bacteria were observed to be responsible for potato rot in the study and they include Pectobacterium carotovorum, Pseudomonas syringae and Ralstonia solanacearum. Of all the isolated bacteria, Pectobacterium carotovorum has the highest occurrence with a frequency of 60%, while Pseudomonas syringae has a frequency of 33% and Ralstonia solanacearum has a frequency of 27%. The pathogenicity of the isolates were tested and this revealed that Pectobacterium carotovorum is the most virulent with a severity score of 4.3, while Ralstonia solanacearum follows with a score of 3.3 and a score of 2.7 was recorded for Pseudomonas syringae, while the control had a score of 0. The diversity and differences shown in the isolated bacteria indicated that potato rot is a serious disease which is caused by different bacteria and need an integrated approach for its control from the field of harvesting to the storage house.
Strip planted mechanical seeding of mustard and mungbean with crop residue retention is more profitable than conventional practice M. M. Hossain; M. Begum; M. M. Rahman
Journal of Agriculture and Applied Biology Vol 2 No 1 (2021): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.02.01.04

Abstract

Smallholder agriculture of the Asian continent faces a significant challenge of declining soil productivity and an acute shortage of agricultural labor. Reduced tillage and crop residue mulch application is an integrated approach to preserving soil health and addressing the labor crisis to maintain farm sustainability. We undertook this study to evaluate the effect of strip planting and increased residue mulching on mustard and mungbean's productivity and profitability in northern Bangladesh during 2015 and 2016. Mustard cv. BARI Sharisha 14 and mungbean cv. BARI Mungbean 6 was grown following (i) Conventionally Tilled broadcasting method (CT) and (ii) Strip Planted line seeding (SP) with two levels of crop mulch (i) no-mulch and (ii) 50% mulch. The CT was done by a two-wheel tractor with four plowings and cross plowing followed by leveling. In SP, single tillage, seeding, fertigation, and field leveling were done simultaneously by a Versatile Multi-crop Planter machine. Results reveal that mechanized seeding of mustard and mungbean in SP with 50% residue mulching fetched 62% higher profit than broadcasted CT without residue through producing 24% higher seed yield. This practice reduced the land preparation costs by 68%, in association with reducing the labor and fuel requirements by 30%. Hence, it could be concluded that the mechanized seeding of mustard and mungbean with the retention of 50% of crop residue is profitable to the conventionally broadcasted seeding process.
Estimation of avoidable losses caused by Meloidogyne incognita infecting cucumber in poly-house Dr. Shakti Singh Bhati Bhati; B L Baheti
Journal of Agriculture and Applied Biology Vol 2 No 1 (2021): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.02.01.05

Abstract

Cucumber (Cucumis sativus L.) is a high nutritious and mineral-rich vegetable, which occupies a prominent place as a salad and vegetable. It is being used in many ways in the daily diet of humans and widely cultivated worldwide. The decrease of agricultural land, adverse environmental conditions and continuous increase of population, the demand of nutritious food is a matter of great concern to the world. Protected cultivation is a very effective tool to solve this problem because in this cultivation the productivity of crops is very high as compared to open field conditions. High value crops successfully grown in protected cultivation, specially vegetables (cucumber, tomato, Capsicum etc.) which are highly susceptible to the numerous pests and pathogens, including phyto-parasitic nematodes (specially root-knot nematode, Meloidogyne spp.). With this view, present trial was taken to estimate the avoidable losses caused by Meloidogyne incognita infecting cucumber in poly-house situated on farmer’s field with the application of phorate at 2 kg a.i. ha-1 over check. Results exhibited that application of chemical treatment significantly reduced number of galls per 5 g roots, egg masses per 5 g roots, eggs & juveniles per egg mass and final nematode population 79.03, 81.10, 30.91 and 56.54%, respectively. Avoidable yield losses were recorded to the tune of 66.84% on cucumber by M. incognita in poly-house.
Assessing impact of saline intrusion on rice cultivating area in Ke Sach district, Soc Trang province, Vietnam Thanh Giao Nguyen
Journal of Agriculture and Applied Biology Vol 2 No 1 (2021): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.02.01.06

Abstract

This study was carried out to evaluate the effects of saline intrusion on agricultural activities, thereby proposing adaptation and mitigation measures for local people. Salinity was measured at 15 locations on the main and tributary rivers in Ke Sach district, Soc Trang province, Vietnam from January to September 2020. The method of direct interview with farmers was used to evaluate the knowledge and effects of saline intrusion on agricultural production. Salinity measurement results showed that salinity intrusion occurred and lasted from February to the end of May during the dry season (the Winter-Spring rice crop). During the rainy season (June-September), due to the large amount of water, salinity was only between 0.01 and 0.1‰. However, the research has found significant effects in the Summer-Autumn rice crop due to the accumulation of salinity in the soil from the Winter-Spring rice crop, which reduces the rice yield by 10-30%. The interview results revealed that more than 80% of the farmers were aware of the effects of saline water intrusion. Local authorities also regularly organize seminars to disseminate basic knowledge to the community to minimize the risks and impacts of saltwater intrusion. The proposed temporary solutions include rainwater storage, maintenance of saline prevention sluices, construction of more water regulation canals, financial support, and strengthening of salinity monitoring stations. In order to adapt to the long-term salinity conditions, local authorities need to focus on researching changing cropping patterns, crop structure, using new rice varieties that are able to adapt to drought and salty conditions. Besides, there will be technical assistance, capital for people to adapt well to the saline intrusion situation.

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