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Wyświetlanie 1-11 z 11
Tytuł:
Acaricidal, ovicidal, and repellent effects of Tagetes patula leaf extract against Tetranychus urticae Koch (Acari: Tetranychidae)
Autorzy:
Ismail, M.S.M.
Tag, H.M.
Rizk, M.A.
Powiązania:
https://bibliotekanauki.pl/articles/65234.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
This study investigates the acaricidal, ovicidal, and repellent effects of the Tagetes patula Linn. (Asteraceae) leaf extract against both the adult female and egg stages of Tetranychus urticae Koch (Trombidiformes: Tetranychidae) under laboratory conditions. The Tagetes patula ethanolic leaf extract [TpEtOH70%] was screened for adulticide and ovicide bioassays in order to consider its acute toxicity. One sublethal concentration was used to assess egg-laying capacity (fecundity), repellent, and oviposition deterrent activities. The chemical characterization was conducted by gas chromatography-mass spectrometry (GC-MS) analysis to identify the TpEtOH70% bioactive components. Results showed that the LC50 value of TpEtOH70% leaf extract predicted by Probit analysis against T. urticae adult females at 24 h was 0.99%.The TpEtOH70% leaf extract showed a significant toxic effect as the highest mean mortality rates (± SE) of the treated adult females was 88.9 ± 3.7%. However, the TpEtOH70% leaf extract was insignificant in affecting the egg-laying capacity of the adult females treated with a sublethal dose of 0.5% even after 72 h. The TpEtOH70% leaf extract was classified repellent since the repellent index (RI) value was lower than 1 – SD. In addition, it had a high oviposition deterring effect based on a 100% reduction of the total number of eggs. The TpEtOH70% leaf extract had a significant ovicidal effect on T. urticae eggs, with 56.04% reduction in hatching. Five bioactive compounds from various classes of phytochemicals were identified in the TpEtOH70% leaf extract and the major compound was phytol (62.72%). This pioneering investigation reveals the adulticidal, ovicidal, and repellent activities of the TpEtOH70% leaf extract against T. urticae. A combination of multiple modes of action of different plant components may act alone or in synergism to delay the development of mite resistance.
Źródło:
Journal of Plant Protection Research; 2019, 59, 2
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conditions for Sediment Coating Microplastic in Mangrove Ecosystems in Kupang and Rote, East Nusa Tenggara, Indonesia
Autorzy:
Zandhi, Riska
Yuliadi, Lintang P. S.
Ismail, M. Rudyansyah
Yuniarti, M. S.
Powiązania:
https://bibliotekanauki.pl/articles/1076618.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
East Nusa Tenggara
Kupang and Rote
microplastics
sediment
Opis:
The observation and direct sampling, as well as laboratory tests of this research was conducted from June until October 2018. This study aims to determine the existence of microplastics in the sediment of water bodies in Kupang and Rote Districts based on the number, type, size and abundance of microplastics. The data used in this study include the type of sediment, microplastic abundance and the characteristics of the data collection area. Microplastics are plastic particles sized less than 5 mm, and in our research, were divided into 4 types: manifold fiber, fragment, film and pellets. Herein, 849 particles of microplastic were found: 635 fibers, 160 particle fragments, and 54 particle films. The primary influencing factor for microplastic deposition is the sedimentary texture itself. Sediments of a coarse type do not capture as much microplastic as do sediments of a finer texture. Data collection area characteristics also affect accumulation.
Źródło:
World News of Natural Sciences; 2019, 27; 50-58
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Delphi technique for generating criteria and indicators in monitoring ecotourism sustainability in Northern forests of Iran: Case study on Dohezar and Sehezar Watersheds
Autorzy:
Barzekar, G.
Aziz, A.
Mariapan, M.
Ismail, M.H.
Hosseni, S.M.
Powiązania:
https://bibliotekanauki.pl/articles/38399.pdf
Data publikacji:
2011
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
Delphi method
ecological indicator
monitoring
ecotourism
sustainability
forest
Iran
watershed
Opis:
Ecotourism is widely accepted as the most effective type of sustainable development. For monitoring ecotourism sustainability in the Northern forest of Iran, a study was designed to help identifying criteria and indicators (C&I) with the principle goal to ensure the objectives of forest management, and at the same time – maintain processes in a sustainable manner. Indicators act as an instrument which can be used for monitoring sustainability. Hence indicators should be multidisciplinary, and cover all aspect of social, ecological, cultural, economic and institutional factors affecting sustainability of ecotourism. In this study, C&I were identified by using the Delphi approach through multidisciplinary panel team. Three rounds of meetings were held for discussions and dissemination of research to a panel of local experts. At the end of the second round we reached a consensus on 9 criteria and 61 indicators, which include 21 indicators related to ecological aspects, 8 to economic aspects, 21 to social aspects, 6 to cultural aspects and 5 to institutional aspects. The selected indicators would be applied by the Iranian Cultural, Heritage, Handicrafts and Tourism Organization for monitoring ecotourism sustainability in the Northern forest of Iran.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2011, 53, 2
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Age, internal stratigraphic architecture and structural style of the Oligocene–Miocene Numidian Formation of northern Tunisia
Autorzy:
Riahi, S.
Soussi, M.
Ben-Ismail-Lattrache, K.
Powiązania:
https://bibliotekanauki.pl/articles/191220.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Numidian Formation
stratigraphy
Oligocene
Miocene
turbidites
structural analyses
Opis:
The stratigraphy of the Numidian Formation of northern Tunisia and its internal organization are updated. Planktonic foraminifera point to a mainly Oligocene–Early Miocene age of this formation in the majority of the sections studied. Some key lithological horizons are recognized within the early Miocene succession, allowing lateral correlation between the outcrops of the Mogod and Kroumirie mountains. These include: (1) a conglomeratic interval, up to 1–2 m thick and rich in reworked glauconitic boulders, limestone fragments of the Tellian (Eocene) and pectinid bivalves; and (2) a relatively continuous glauconitic level. In the new stratigraphic scheme, the Zouza, Ben Metir and Sejnene sections represent the entire Numidian Formation. A lower unit (200–700 m thick), highly pelitic with subordinate sandstone beds was distinguished, overlain by an upper unit which is sandier, especially in its uppermost part (1,000–1,500 m thick). In the present study, these have been stratigraphically dated as Oligocene–Early Miocene p.p. (Rupelian–Chattian; P19–P21 zones) to Aquitanian (N4 Zone) and Miocene (Aquitanian–early Burdigalian; N4–N5 zones), respectively. In the areas studied, the sandy succession assigned to the Kroumirie Member begins with a sandstone unit with an erosional base or a major discontinuity, locally marked by conglomerates made up of various reworked components. It rests generally on a thick shale unit that characterises the upper part of the Zouza Member. The thinner, uppermost succession of the Numidian Formation represents the Babouch Member, dated as Burdigalian (N6–N7 zones). Within the framework of the new proposal, the total stratigraphic thickness of the Numidian Formation in northern Tunisia does not exceed 2,200–2,600 m. Internally, the Numidian Formation is transected by the Intra-Numidian Thrust and back-thrust faults, associated with faulted folds that are recognized in outcrop on different scales and in seismic sections. Along these thrust and/or reverse faults, the middle to upper Eocene deposits have undergone uplift and are exposed at the surface (e.g., Dowar Larmel in Meloula-Tabarka, Gaâret Sejnene and Sidi M’chreg sections).
Źródło:
Annales Societatis Geologorum Poloniae; 2015, 85, 2; 345-370
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic characterization and analysis of the population of selected Sarawak rice cultivars using simple sequence repeat markers
Autorzy:
Razak, S.A.
Saidon, S.A.
Yusof, M.F.M.
Ismail, S.N.
Powiązania:
https://bibliotekanauki.pl/articles/79865.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
genetic characteristics
population analysis
genetic marker
SSR marker
rice cultivar
Sarawak cultivar
genetic similarity
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2018, 99, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Groundwater quality and hydrogeological characteristics of Malacca state in Malaysia
Jakość wód gruntowych i charakterystyka hydrogeologiczna stanu Malakka w Malezji
Autorzy:
Shirazi, S. M.
Adham, M. I.
Zardari, N. H.
Ismail, Z.
Imran, H. M.
Mangrio, M. A.
Powiązania:
https://bibliotekanauki.pl/articles/947218.pdf
Data publikacji:
2015
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
aquifer productivity
groundwater
Malacca catchment
pumping test
water quality
jakość wody
pompowanie badawcze
woda gruntowa
wydajność warstwy wodonośnej
zlewnia Malakka
Opis:
Groundwater quality and aquifer productivity of Malacca catchment in Peninsular Malaysia are presented in this article. Pumping test data were collected from 210 shallow and 17 deep boreholes to get well inventory information. Data analysis confirmed that the aquifers consisting of schist, sand, limestone and volcanic rocks were the most productive aquifers for groundwater in Malacca state. GIS-based aquifer productivity map was generated based on bedrock and discharge capacity of the aquifers. Aquifer productivity map is classified into three classes, namely high, moderate and low based on discharge capacity. Groundwater potential of the study area is 35, 57 and 8% of low, moderate and high class respectively. Fifty two shallow and 14 deep aquifer groundwater samples were analyzed for water quality. In some cases, groundwater quality analysis indicated that the turbidity, total dissolved solids, iron, chloride and cadmium concentrations exceeded the limit of drinking water quality standards.
W artykule przedstawiono jakość wód gruntowych i wydajność warstwy wodonośnej w zlewni Malakka na Półwyspie Malajskim. Do badań zastosowano metodę pompowania badawczego z 210 płytkich i 17 głębokich odwiertów. Najbardziej wydajne okazały się poziomy wodonośne usytuowane w łupkach, piaskowcach, wapieniach i skale wulkanicznej. Na podstawie danych o podłożu i wydajności sporządzono mapę wydajności warstw wodonośnych. Wyróżniono trzy klasy wydajności warstw wodonośnych: wysoka (8%) badanego obszaru, umiarkowana (57%) i niska (35%). Analizom poddano 52 próbki z płytkich warstw i 14 próbek z głębokich warstw. W niektórych przypadkach stężenie zawiesiny, suchej masy, żelaza, chlorków i kadmu przekraczało dopuszczalne wartości dla wody pitnej.
Źródło:
Journal of Water and Land Development; 2015, 24; 11-19
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In vitro micropropagation of Acacia auriculiformis from selected juvenile sources
Autorzy:
Ismail, H.
Kumar, S.M.
Aziah, M.Y.
Hasnida, N.H.
Nor Aini, A.S.
Powiązania:
https://bibliotekanauki.pl/articles/41196.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
in vitro
micropropagation
Acacia auriculiformis
juvenile source
Opis:
The effects of 6- Benzylaminopurine (BA), different basal medium, sucrose concentration and gelling agent were investigated for shoot induction and multiplication of Acacia auriculiformis. Nodal explants derived from 5-month-old seedlings yielded the highest shoot multiplication rate in Murashige and Skoog medium (MS) with 0.44 μM BA, 30 g/L sucrose and 2 g/L Gelrite. The highest mean number of shoots (10) and mean length of shoots (5.07mm) were also obtained in this medium. Qualitative observation of the shoots cultured in 0.44 μM BA were greener and vigorous in growth as compared to shoots cultured on higher concentrations of BA (22.2 μM). MS medium produced a significantly higher number of shoots (18) compared to Woody Plant Medium (WPM) (11) and B5 medium (10). Media solidified with different gelling agents also produced a significantly different number of shoots with 2 g/L Gelrite produced the highest number of shoots (23). The highest percentage of shoots rooted was found in the MS medium without any growth regulators (40.0%) followed by medium supplemented with Indole-3-butyric acid (IBA) at 9.84 μM and the combination of 9.84 μM IBA with 5.37 μM α-naphthalene acetic acid (NAA) (33.3%). MS medium without any plant growth regulators produced the highest mean root length (84.33mm), whereas medium supplemented with 9.84 μM IBA produced the highest mean number of roots per shoot (4.33). Out planting of in vitro rooted shoots in shredded coconut husk as the substrate gave the highest percentage of survival (90%) during acclimatization in the greenhouse.
Źródło:
Dendrobiology; 2016, 75
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Serum and milk concentrations of oxidant and anti-oxidant markers in dairy cows affected with bloody milk
Autorzy:
Bani Ismail, Z.
Abutarbush, S.M.
Al-Qudah, K.
Omoush, F.
Powiązania:
https://bibliotekanauki.pl/articles/2087303.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
dairy cows
oxidative stress
anti-oxidants
dietary supplements
bloody milk
Źródło:
Polish Journal of Veterinary Sciences; 2020, 23, 3; 341-347
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fusaria and other fungi taxa associated with rhizosphere and rhizoplane of lentil and sesame at different growth stages
Autorzy:
Abdel-Hafez, S.I.I.
Ismail, M.A.
Hussein, N.A.
Abdel-Hameed, N.A.
Powiązania:
https://bibliotekanauki.pl/articles/67219.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Fusarium
fungi
rhizosphere
rhizoplane
lentil
sesame
growth stage
Lens culinaris
Sesamum indicum
Opis:
Density and diversity of Fusarium species and other fungi associated with rhizosphere and rhizoplane of lentil and sesame plants at three different growth stages were investigated. Sixteen species of Fusarium were isolated from rhizosphere (13 species) and rhizoplane (11) of both plants studied. In lentil, 11 species were recorded from its rhizosphere (9 species) and rhizoplane (8). Fusarium species associated with lentil rhizoplane gave highest number of propagules at the first stage of plant growth while the ones of Fusarium associated with the rhizosphere produced the highest number at the second stage of growth. F. solani was the most common in the three growth stages. In addition, of two growth stages, F. culmorum and F. tricinctum were isolated from the rhizosphere while F. nygamai and F. verticillioides from the rhizoplane. The other species were recorded from only one growth stage of lentil plant. In sesame plants, rhizosphere yielded nine Fusarium species while rhizoplane gave only six from the three stages investigated. Stage I of sesame rhizosphere possessed the highest colony forming units of Fusarium. As the case for lentil, F. solani was the most common species in sesame rhizospere and rhizoplane. F. verticillioides and F. nygamai (in three different growth stages) followed by F. oxysporum and F. tricinctum (in two growth stages) were recorded using the dilution-plate and/or soil-plate methods from sesame rhizosphere soils. Rhizoplane Fusarium species of sesame plants were isolated at the three different growth stages with almost equal number of colony forming units. F. poae came after F. solani in its frequency since it was recovered from two growth stages. Several of the isolated species are well-known as pathogens to many cultivated plants. To the best of our knowledge, three species are recorded here for the first time in Egypt from the rhizosphere (F. acutatum), rhizoplane of sesame plants (F. longipes) and from rhizosphere of both lentil and sesame and rhizoplane of lentil (F. nygamai).
Źródło:
Acta Mycologica; 2012, 47, 1
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The impact of leadership traits on human resource practices, gender and transformational leadership
Wpływ cech przywództwa na praktyki zarządzania zasobami ludzkimi, płeć a przywództwo transformacyjne
Autorzy:
Habeeb, Fatima Jafar
Mostafa, M. S.
Altyar, Ahmed Rakan
Ismail, Wan Khiaruzzaman Wan
Md Nor, Khalil
Powiązania:
https://bibliotekanauki.pl/articles/405909.pdf
Data publikacji:
2020
Wydawca:
Politechnika Częstochowska
Tematy:
human resource management
transformational leadership
leadership traits
gender
zarządzanie zasobami ludzkimi
przywództwo transformacyjne
cechy przywódcze
płeć
Opis:
The purpose lined with this study is to examine the links among the human resource practices along with transformational leadership, gender and leadership traits. The data were collected from the financial institutions of Iraq and analyzed by using the SEM. The results show that positive association among the human resource practices along with transformational leadership, gender and leadership traits. These findings are suitable for the employees of financial institutions along with the policymakers that they should develop the policies related to the practices of human resource that enhance firm performance.
Celem niniejszego badania jest zbadanie powiązań między praktykami w zakresie zasobów ludzkich oraz przywództwa transformacyjnego, płci i cech przywódczych. Dane zostały zebrane od instytucji finansowych w Iraku i przeanalizowane za pomocą SEM. Wyniki pokazują, że pozytywny związek między praktykami w zakresie zasobów ludzkich a przywództwem transformacyjnym, płcią i cechami przywódczymi. Ustalenia te są odpowiednie dla pracowników instytucji finansowych wraz z decydentami, że powinni opracować polityki związane z praktykami zasobów ludzkich, które poprawią wyniki firmy.
Źródło:
Polish Journal of Management Studies; 2020, 21, 1; 135-145
2081-7452
Pojawia się w:
Polish Journal of Management Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental Analysis of Podded Propulsor on Naval Vessel
Autorzy:
Abdul-Ghani, M.P.
Yaakob, O.
Ismail, N.
Kader, A.S.A.
Ahmad-Sabki, A. F.
Singaraveloo, P.
Powiązania:
https://bibliotekanauki.pl/articles/116528.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Naval Vessel
Podded Propulsor
Marine Technology Centre
Opis:
This paper describes the effect of pod propulsor attachment to the existing Naval Vessel hull form which was designed for conventional propulsor in aspects of resistance and motion characteristics. These investigations were carried out on a 3.0 m model by experimental works in the towing tank 120m x 4m x 2.5m at the Marine Technology Centre (MTC), Universiti Teknologi Malaysia (UTM). The basis ship chosen for this study is Sealift class type MPCSS (Multi Purpose Command Support Ship). In this study, the design for the new pod propulsor is based on a proven design and scaled down to suit this type of hullform accordingly. This paper describes the resistance comparison between bare and podded hulls in calm water as well in waves. The seakeeping test for hull with and without pod in regular waves at service speed of 16.8 knots were carried out at wavelength to model length ratio, Lw/Lm between 0.2 and 1.2. The outcomes from this experimental works on hull with and without pod were compared.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8, 1; 153-156
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-11 z 11

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