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Journal of Agriculture and Applied Biology ( JAAB)
Published by Future Science
ISSN : -     EISSN : 27235106     DOI : https://doi.org/10.11594/jaab
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
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) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 118 Documents
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Morphological characterization and ecotypic classification of olive varie-ties in Bordj Bou Arreridj, Algeria Ahmed, Saad; ElHouda, Sebbane Nour; Madjid, Seghiri Abdel; Djamila, Madani
Journal of Agriculture and Applied Biology Vol 6 No 1 (2025): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.06.01.05

Abstract

The aim of this research is to establish the phenotypic variation that exists in the olive varieties of Olea europaea L. in the Bordj Bou Arreridj region of Algeria. The study examined 18 olive varieties from 20 farms, focusing on the morphological characterisation of fruits, leaves, and endocarps using standard descriptors and precise measurement tools. Significant coefficients of variation were ob-served for the traits studied, indicating substantial differences among the varieties. The highest variability was found in fruit weight, with a coefficient of variation (CV) of 48.60%, while leaf length demonstrated the lowest CV at 9.77%. Principal Component Analysis (PCA) primarily distinguished three different ecotypic groups based on fruit and endocarp size and shape parameters. The Bray-Curtis similarity analysis revealed compositional similarities among some of the local variants, providing insights into their po-tential genetic relationships. Notably, the study reports the presence of the rare Leucocarpa variety, which had not been previously doc-umented in Algeria. This discovery highlights the importance of thorough regional surveys in uncovering hidden biodiversity. The findings reveal a rich agro-morphological genetic variation in olive ecotypes in the region, which is valuable for genetic conservation efforts and breeding research. This diversity could potentially be exploited to develop cultivars with improved traits such as disease resistance, oil quality, or adaptation to specific environmental condi-tions. Our classification enables targeted breeding, prioritized conser-vation, and optimized cultivation practices, supporting the devel-opment of resilient, locally-adapted varieties and the preservation of valuable genetic resources in the region's olive industry.
Intraspecific polymorphism of pollen grains in Artemisia herba Alba Asso in the Tiaret region (West of Algeria) Maghni, Benchohra; Hammou, Mohammed Ait; Maghni, Anfal Bochra; Baghdache , Wahiba; Belkilali , Nebia; Khanfer , Imane
Journal of Agriculture and Applied Biology Vol 6 No 1 (2025): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.06.01.04

Abstract

This study allowed us to determine the appearance and pollen apertures of 200 individuals of Atrémesia herba alba from three areas in Algeria. The pollen morphology determined at the three stations studied is Tricolorpé, of which two grain shapes were encountered, spherical and elongated with three aper-tures and distinct diameters. Results obtained from pollen di-ameter measurements revealed a significant effect, which con-firms a very marked intra- and inter-population variability of this character. Indeed, the spherical pollen diameters vary be-tween 13.20 and 20 µm (Ain Dheb area) and between 16.56 and 29.90 µm in individuals from the two Chellala areas. The elon-gated pollen diameters from the Chellala region have diameters fluctuating between 34.31/25.46 to 29.90/16.56 µm and have diameters between 19/14.81 and 28.55 /18.54 µm for the Ain Dheb area.
Influence of pH on bioplastic production from Sweet Potato Starch (Ipomea batatas L.) Salah, Roumaissa Ahmed; Alia, Zeid; Gahtar, Abdelouahab; Belahcene, Samira; Khechekhouche, El Amine; Amara, DjilaniGhemam
Journal of Agriculture and Applied Biology Vol 6 No 1 (2025): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.06.01.06

Abstract

Scientists are exploring biodegradable bioplastic polymers as alternatives to traditional plastics to address environmental concerns. Bioplastics are derived from renewable materials such as starch, vegetable oils, and other organic sources. This study specifically focuses on using sweet potatoes to produce a bioplastic. Sweet potatoes are a versatile and nutritious crop that is widely grown around the world. The roots of sweet potatoes contain starch, which makes up a significant part of their composition. Starch is a valuable food source with industrial uses, including as a carrier medium for various substances in the food and pharmaceutical industries. The research was conducted in the Souf region of the Algerian Sahara, where sweet potato starch is obtained through a multi-step process that includes washing, peeling, filtering, and drying. This starch (5g) is mixed with 50 ml of water, hydrochloric acid, and glycerol (5 ml), then heated and dried to create bioplastics. The results show that the starch yield from sweet potatoes varies depending on the pH of the extraction medium, with the highest yield being achieved with a neutral medium (7.6±1.72 g). This study also investigates the potential of recycling industrial food waste, lovely potato peelings, for the production of bioplastics. It highlights the importance of pH in starch extraction and its subsequent use in bioplastics production, highlights environmentally friendly alternatives to traditional plastics, and contributes to the ongoing efforts to reduce plastic waste and pollution.
Development of physicochemical properties and color of Arbutus unedo L. fruit during osmotic process Refas, Ibtissem; Amiali, Malek; Belkhir, Safia
Journal of Agriculture and Applied Biology Vol 6 No 1 (2025): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.06.01.08

Abstract

Arbutus unedo L. fruit, rich in bioactive compounds with health bene-fits, experiences rapid softening and significant postharvest quality changes, affecting its consumer appeal and storage life. This study investigates the effect of osmotic dehydration (OD) on the physico-chemical composition, water loss (WL), sugar gain (SG), weight re-duction (WR) and color during drying. The fruit was subjected to OD using sucrose solutions of varying concentrations (30, 50, and 60 °Brix) and temperatures (30 and 40 °C). The fresh fruit exhibited a moisture content of 57 %, a pH of 4.37, and 16.90 % of total soluble solids (TSS). The total phenolic content of arbutus fruit was 15.62 ± 0.78 µg/mg extract and the total flavonoid content was 1.63 ± 0.06 µg/mg extract. Our findings revealed that OD at 30 °Brix enhanced the color and reduced the browning compared to untreated fruit (p < 0.05). OD using a 60 °Brix solution notably reduced the moisture con-tent by approximately 13% while simultaneously lowering the pH and increasing the TSS significantly (p < 0.05). These changes strong-ly correlated with WL, SG and sucrose concentration (R = 0.89, 0.79, and 0.82, respectively). OD prevented the color deterioration during drying with E ranging between 6.43 ± 3.37 and 19.97 ± 3.52. The study proposes that OD at 60 °Brix and 40 °C produces dried arbutus unedo fruit with reduced moisture content and minimized color dete-rioration after the application of convective drying, rendering it suit-able for industrial applications as functional food and the production of value-added dried berries.
Comparative analysis of the possible radical scavenging, antibacterial and anti-inflammatory effects of several extracts in case of Artemisia herba-alba and Juniperus communis gathered from Algeria's mountainous regions Layadi, Ikram; Tlili, Mohammed Laid; Laiche, Ammar Touhami
Journal of Agriculture and Applied Biology Vol 6 No 1 (2025): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.06.01.09

Abstract

This research reports a comparative analysis of the possible radical scavenging, antibacterial and anti-inflammatory effects of several ex-tracts in case of Artemisia herba-alba and Juniperus communis gathered from Algeria's mountainous regions. The plants extracts total phenolic acid content was ascertained using the Folin-Ciocalteu method, and their total flavonoid content was ascertained using the aluminum chlo-ride colorimetric test. By estimating their ability to remove free radi-cals using the DPPH method and the ferric reducing antioxidant power (FRAP) assay, their antioxidant capacity was assessed. Disk diffusion was used to measure the antibacterial activity against five strains of bacteria, and a protein denaturation assay was performed to examine the anti-inflammatory activity. A high polyphenol content of 104.54 ±0.35 mg GAE/g was observed in the hydroethanolic extract of Artemi-sia herba-alba, while a high flavonoid content of 17.05 ±0.13 mg QE/g was found in the hydroethanolic extract of Juniperus communis. Both species extracts showed important antioxidant activity in two separate tests, where the hydroethanolic extracts demonstrated effective action. The crude extracts showed positive antibacterial activity, especially the hydroethanolic extracts against Staphylococcus aureus and Klebsiella pneumoniae with a super inhibition on concentration 20 mg/ml. In the anti-inflammatory assay, the hydroethanolic extract of J. comminus with IC50: 23.58 ±0.02 μg/mL, has the most potent anti-denaturation effect on albumin. According to the study's findings, the hydroethanolic ex-tracts in case of Artemisia herba-alba and Juniperus communis gathered from Algeria's mountainous regions are possible sources of phenolic compounds with important natural antioxidant, antimicrobial and anti-inflammatory characteristics that may be employed in pharmaceutical products.
Assessment of agro-morphological performance of twenty-four corn (Zea mays l.,) parent lines resistant to Striga hermonthica for determining hybrid parents Annicet, N'da Huges; Dofougo, Konaté; Romaric1, Kouakou Kouakou; Laurent, N’cho Achi; Lassina, Fondio; Kouabenan, Abo
Journal of Agriculture and Applied Biology Vol 6 No 1 (2025): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.06.01.10

Abstract

The data available on the study of corn parental lines against weeds in Côte d'Ivoire is still limited. The principal objective of the present study was to assess the agro-morphological performance of those resistant to Striga hermonthica. Specifically, the objective was to as-certain the hybrid parents of twenty-four individuals from IITA under conditions of artificial Striga infestation. The trials were conducted at the CNRA research station in Ferkessédougou, located in northern Côte d'Ivoire. The experimental design was a randomized complete block with three replications. Nine CIMMYT/IBPGR were used. Analy-sis of variance revealed significant differences between the lines about the different agro-morphological traits. Hierarchical ascending classification (HAC) revealed variability structured into four groups of morphological diversity. Group 2 and Group 4, respectively, con-tained the earliest (FM = 57.93 +- 1.72 and 58.62 ± 3.15) and most productive (NER = 21.25 +- 4.57 and 13.70 +- 2.77) lines, which also exhibit very good emergence density (DL = 28.25 ± 5.13 and 25.00 +- 7.50). Group 3 contained the intermediate lines (FM = 61.50 +- 1.88; FF = 63.18 +- 2.64; NER = 10.81 +- 5.27; DL = 23.12 +- 8.09). Group 1 contained the late lines (FM = 66.50 +- 2.82; FF = 68 ± 0.00), which demonstrated reduced productivity (NER = 3.75 +- 1.76) and exhibit-ed a low emergence density (DL = 9.25 +- 10.25). Discriminant factor analysis (DFA) identified nine parental lines in groups 2 and 4 that exhibited favorable characteristics about early maturity and produc-tivity. These lines may be used as hybrid parents in a program de-signed to enhance corn productivity in Côte d'Ivoire.
Field efficacy of different insecticides against jassid (Amrasca biguttula biguttula) in brinjal at Gauradaha, Jhapa, Nepal Tamang, Asmita; Chaudhary, Pratima; Acharya, Manju; Pokharel, Mikun; Soti, Ankit
Journal of Agriculture and Applied Biology Vol 6 No 2 (2025): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.06.02.01

Abstract

Jassid (Amrasca biguttula biguttula) is regarded as the most harmful sap-sucking pest affecting the brinjal crop. This research evaluated the efficacy of insecticides against Jassid in seasonal brinjal in open fields at Gauradaha, Jhapa, Nepal, from January to April 2023. We selected a registered hybrid variety and designed the experiment with seven treatments, each replicated three times. The treatments were: T1: Emamectin benzoate 5% WDG-0.625 g/plot, T2: Spinosad 45% SC-0.5 ml/plot, T3: Neem oil 5000 ppm-8 ml/plot, T4: Fipronil 0.3% GR-40 g/plot, T5: Beauveria bassiana-1.3 g/plot, T6: Imidacloprid 70% WG-0.14 g/plot, and T7: Untreated or Control (water spray)-2 l/plot. Treatments were applied 3 times using a foliar spray method. Data regarding the Jassid population before spraying insecticides and after the 2nd, 4th, and 6th days of spraying were recorded. Data were collected, log10 transformed, and analyzed using ANOVA in GenStat (15th edition), with mean separation by Duncan’s Multiple Range Test (DMRT). The results show that Imidacloprid was the most effective against Jassid, with mean mortality of 82.04%, 40.35%, and 42.13% followed by Fipronil with 33.12%, 12.56%, and 17.86%. The highest yield (14.32 Mt/ha) was recorded from Imidacloprid 70% WG followed by Beauveria bassiana (13.82 Mt/ha). Regarding the B: C ratio, Imidacloprid 70% WG was the superior treatment with the highest value (2.5) followed by Fipronil 0.3% GR (2.1). The highest length (20.48 cm) and diameter (4.5 cm) were observed in Imidacloprid and Fipronil, while the lowest was recorded in Emamectin benzoate (12.14 cm) and Control (3.6 cm), respectively. These findings demonstrate that Imidacloprid significantly reduces Jassid populations and enhances brinjal productivity and economic returns, making it a superior choice for pest management in brinjal cultivation in Jhapa, Nepal.
Comparatif monitoring arthropod: Auxiliary-pest complex in vineyard table grapes cultivars in Boumerdes vineyards, Northern Algeria Benmokhtar, Roumaissa; Bissaad, Fatma Zohra; Marniche, Faiza; Bounaceur, Farid
Journal of Agriculture and Applied Biology Vol 6 No 2 (2025): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.06.02.02

Abstract

As an alternative to chemical treatments, traps are one of the most environmentally friendly ways to control pests in agricul-tural systems. The efficacy of traps can be maximized by taking adventage of the fact that arthropods, and especially pests, have preferences for certain colors and stimuli. From January to De-cember 2022, in the locality of Corso, situated in Boumerdes Province, Northern Algeria. The experimental site consisted of a three-year-old table grape plantation. A descriptive observa-tional method was employed to assess the performance of four different trap types: pitfall traps, food-based traps, and two col-or-based traps (yellow and blue). The experiment followed a completely randomized design with five replications to ensure reliable and accurate results. Yellow traps proved to be the most successful throughout the research., capturing a total of 1,925 arthropod individuals. In contrast, food-based traps were the least effective, with only 14 individuals captured. The traps re-vealed a richness of 106 species spanning 54 families, 11 orders, and 3 classes, highlighting the diverse arthropod community present in the vineyard ecosystem. The most frequently captured species was Jacobiasca lybica, which accounted for 81.6% of the total pests trapped. The timing of trap installation was also a crit-ical factor, with the morning period yielding the highest capture rates. These findings underscore the importance of using color-specific traps and strategic timing to enhance pest management in vineyards.
Corrigendum, Vol 5 No 2 page 164-177, 2024 JAAB, Editorial
Journal of Agriculture and Applied Biology Vol 6 No 2 (2025): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

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Estimation of vulnerability to pollution of groundwater of agricultural origin by application of the GOD and SI models in the Ghriss plain (North-West Algeria) Khelfi, Messaouda; Benslimane, Mohammed; Hamimed, Abderrahmane
Journal of Agriculture and Applied Biology Vol 6 No 2 (2025): Journal of Agriculture and Applied Biology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jaab.06.02.04

Abstract

Assessing groundwater sensitivity in areas contaminated by agri-cultural pollution is a complex task for groundwater resource managers. The Ghriss plain (north-western Algeria) is the basis of agricultural development based on diversified crops, irrigated from a local water table of Plio-Quaternary age, considered to be one of the country’s most important reservoirs. In recent years, the overuse of nitrogenous fertilizers and various phytosanitary products, combined with wastewater discharges, has led to the appearance of traces of chemical elements exceeding drinking wa-ter standards, and to a worrying risk of water quality deteriora-tion. This study aims to measure the different categories of vul-nerability to migration of chemical inputs through the unsaturated zone, to preserve groundwater contamination. The approach con-sists of applying two universal methods: the GOD model and the SI model (Susceptibility Index). The mapping of the two models shows that GOD represents a low concentration of measured ni-trate ions, while SI attributes a high pollution dispersion to the unsaturated zone. From this comparison, the GOD method indi-cates the presence of four classes of vulnerability: high 1%; medi-um 70%; low 28% and very low 1%. On the other hand, the SI comparison shows two classes of vulnerability to pollution: very high to high 72% to 23%; medium to very low 2% to 3%. From this comparative study, we deduce that SI gives us a true picture of the pollution phenomena likely to occur, taking into account the nature of the land use, hence its interest in a more accurate esti-mation of unsaturated zones' vulnerability to groundwater pollu-tion by nitrates.

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