Temat: Allium - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The use of Allium cepa L. assay as bioindicator for the investigation of genotoxic effects of industrial waste water
Autorzy:: Rasgele, Pinar Goc
Powiązania:: https://bibliotekanauki.pl/articles/2073789.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Allium cepa assay
mitotic index
waste water
Opis:: In this study, genotoxic potential of industrial waste water (IWW) samples was investigated using Allium cepa assay. The root tips were treated with different IWW samples (A, B and C) for 48 hours. The effects of IWW on cytological effects were determined. It was found that all IWW samples significantly increased the percentage of total abnormality. Mitotic chromosomal abnormalities such as irregular metaphase, stickiness, c-mitosis, micronucleus, vagrant chromosomes and bridges were determined. Furthermore, a significant reduction for the mitotic index that is indicative of cellular toxicity was observed in root tips cells, which were treated with IWW samples. A. cepa assay can be used as useful tool for the detection of genotoxic and cytotoxic potential of IWWs.
Źródło:: Archives of Environmental Protection; 2021, 47, 4; 3--8
2083-4772
2083-4810
Pojawia się w:: Archives of Environmental Protection
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: FISH mapping of 18S-5.8S-26S rRNA genes and fluorochrome banding in the triploid viviparous onion Allium x cornutum Clementi ex Visiani, 1842
Autorzy:: Lepen, I.
Puizina, J.
Powiązania:: https://bibliotekanauki.pl/articles/19898.pdf
Data publikacji:: 2011
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: rRNA gene
fluorochrome banding
triploid
Allium cepa var.viviparum
fluorescence in situ hybridization
FISH zob.fluorescence in situ hybridisation
mapping
onion
Allium
viviparous onion
Allium cepa var.proliferum
Opis:: Triploid viviparous onions [Allium × cornutum Clementi ex Visiani 1842, syn Allium cepa L. var. viviparum Metzg. (ALEF.), auct.] (2n = 3x = 24), are known in some countries only as rare relict crops. In other parts of the world they are still traditionally or even commercially cultivated. In previous cytogenetic studies of the Croatian triploid viviparous onion Ljutika, Giemsa C-banding, chromosome pairing analysis during meiosis, and genomic hybridization in situ indicated a complex hybrid with highly heterozygous karyotype structure, with possible triparental genome organization. This study continues an analysis of the karyotype structure of Ljutika. Staining with fluorochromes CMA3 (Chromomycin A3) and DAPI (4,6-diamidino-2-phenylindole) confirmed previous results from Giemsa C-banding and revealed GC-rich heterochromatic regions associated mainly with chromosome ends and nucleolus organizing regions (NORs), and only a few interstitial bands. FISH mapping of the ribosomal 18S-5.8S-26S genes revealed two major rDNA signals on the short arms of two subtelocentric satellite chromosomes in almost all metaphase plates of Ljutika. The largest subtelocentric chromosome lacked rDNA signals. A significantly smaller rDNA signal was occasionally located on one small submetacentric chromosome. These results are in agreement with previously published results from identification of NORs by silverstaining technique, which confirmed a maximum three nucleoli in interphase nuclei. We discuss the molecular mechanisms underlying rearrangements and activity of ribosomal genes in the triploid karyotype.
Źródło:: Acta Biologica Cracoviensia. Series Botanica; 2011, 53, 1
0001-5296
Pojawia się w:: Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Morphological, cytological and embryological characterization of F1 A. cepa x A. roylei hybrids
Autorzy:: Chuda, A.
Klosowska, K.
Adamus, A.
Powiązania:: https://bibliotekanauki.pl/articles/19525.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: morphological characteristics
cytological characteristics
embryological characteristics
F1 hybrid
Allium cepa
Allium roylei
hybrid
embryo sac
interspecific hybrid
microsporogenesis
pollen viability
Źródło:: Acta Biologica Cracoviensia. Series Botanica; 2015, 57, 2
0001-5296
Pojawia się w:: Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Herbicidal efficacy of some natural products and mulching compared to herbicides for weed control in onion fields
Autorzy:: El-Metwally, I.
Shalaby, S.
Powiązania:: https://bibliotekanauki.pl/articles/2084820.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: acetic acid
Allium cepa
citric acid
onion
rice straw
Opis:: In two field experiments, the effect of some weed control treatments (citric acid at the rate of 10, 15 and 20%, acetic acid at the rate of 20, 30 and 40%, oxadiargyl, oxyflurfen, rice straw mulch, hand hoeing and an unweeded check control treatment) on weed growth and onion productivity in sandy soils at the Agricultural Experimental Station of the National Research Centre, Egypt was studied. The results indicated that all weeded treatments reduced the dry weight of broadleaf, grassy and total weeds as compared with the weedy check. Oxadiargyl, followed by two hand hoeing, rice straw mulch and acetic acid 40% recorded the greatest weed control efficiency. Insignificant differences were noticed between these treatments. Applying rice straw mulch increased bulb length, bulb diameter, bulb weight and onion yield by 67.52, 57.55, 45.74 and 66.22% over the weedy check, respectively. The highest values of N, P and K were obtained from rice straw mulch treatment followed by hand hoeing, oxadiargyl and acetic acid 40% treatments. It may be concluded that farmers can certainly depend on mulching or acetic acid at 40% instead of using chemical herbicides especially in organic farm systems for controlling onion weeds.
Źródło:: Journal of Plant Protection Research; 2019, 59, 4; 479-486
1427-4345
Pojawia się w:: Journal of Plant Protection Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Evaluation of freshly prepared juice from garlic (Allium sativum L.) as a biopesticide against the maize weevil, Sitophilus zeamais (Motsch.) (Coleoptera: Curculionidae)
Autorzy:: Nwachukwu, I.D.
Asawalam, E.F.
Powiązania:: https://bibliotekanauki.pl/articles/66428.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: juice
garlic
allicin
biopesticide
Allium sativum
maize weevil
Sitophilus zeamais
Coleoptera
Curculionidae
Opis:: Freshly prepared garlic (Allium sativum L.) juice, containing the antimicrobial allicin, was evaluated as a possible grain pro-tectant against the maize weevil, Sitophilus zeamais (Motsch.). Each experiment was set out in Completely Randomized Design (CRD) with four replications, and there was a control treatment. Adult mortality and weight loss percentage were investigated. There was an observed increase in adult mortality following days of exposure in all treatments. Statistically significant (p < 0.05) reduced grain loss was also observed in all the treatments when compared with the control. The juice samples were freshly prepared from an indigenous Nigerian garlic cultivar (GUN) and a cultivar purchased from a supermarket in Germany (GAG). These garlic juice samples exhibited lethal effects causing at least 90% adult mortality in contact toxicity tests. The amount of allicin in GUN was 1.88 mg/ml according to High Pressure Liquids Chromatography (HPLC) analysis, while the amount of allicin in GAG was 3.50 mg/ml. This study highlights the potential of A. sativum containing allicin for biorational control of maize grains against S. zeamais infestation and damage.
Źródło:: Journal of Plant Protection Research; 2014, 54, 2
1427-4345
Pojawia się w:: Journal of Plant Protection Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: DNA replication stress-induced biphasic nuclear structures in Allium cepa root meristem cells
Autorzy:: Zabka, A.
Polit, J.T.
Maszewski, J.
Powiązania:: https://bibliotekanauki.pl/articles/951326.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: conference
DNA replication
cyclin-dependent kinase
cell division
biphasic nuclear structure
Allium cepa
root meristem cell
premature chromosome condensation
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Effects of arbuscular mycorrhizal fungal inoculations on the growth and polyphenol levels of garden leek (Allium porrum)
Autorzy:: Nasir, M.S.A.
Nunez, A.
McKeever, L.C.
Olanya, O.M.
Powiązania:: https://bibliotekanauki.pl/articles/66601.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: plant height
polyphenol content
root colonization
shoot weight
root weight
fungi
fungal spore
Rhizophagus intraradices
Gigaspora margarita
Glomus geosporum
Paraglomus occultum
Claroideoglomus claroideum
arbuscular mycorrhizal fungi
inoculation
garden leek
Allium porrum
Opis:: Arbuscular mycorrizal (AM) fungi may enhance plant growth and polyphenol production, however, there have been limited studies on the relationships between root colonization of different fungal species and polyphenol production on cultivated Allium porrum (garden leek). The effects of inoculation of AM fungi spores from Rhizophagus intraradices, Giga -spora margarita, Glomus geosporum, Paraglomus occultum, Claroideoglomus claroideum, and Glomus species on colonization of garden leek roots and symbiotic changes in polyphenol production and plant growth were evaluated in greenhouse experiments. There were significant differences (p < 0.05) in colonization of leek roots by AM fungi species. The greatest level of root colonization was recorded on plants inoculated with R. intraradices (73%) and the lowest level on C. claroideum (3.2%). Significant differences (p < 0.05) in plant height were recorded between AM inoculated plants and the controls. Polyphenol levels differed significantly (p < 0.05) between garden leek plants inoculated with AM fungi and the non-inoculated controls. The percentage increases in polyphenol (a derivative of kaempferol) on garden leeks inoculated with G. geosporum relative to the untreated controls ranged from 28 to 1123%. Due to symbiosis with different AM species, other polyphenols decreased in some instances (negative values) and increased in others for values of up to 590%. Results showed that AM fungi species exhibited remarkable differences in polyphenol levels in garden leeks. The high polyphenol production by garden leek plants inoculated with G. geosporum, and Glomus species could be exploited for enhanced resistance of garden leeks to insects and diseases. This research highlights an understudied area, notably the relationships between AM fungal inoculations, root colonizations and polyphenol production in garden leeks. The findings can be utilized to improve pest resistance and the quality of garden leek plants.
Źródło:: Journal of Plant Protection Research; 2018, 58, 1
1427-4345
Pojawia się w:: Journal of Plant Protection Research
Dostawca treści:: Biblioteka Nauki

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