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Wyświetlanie 1-15 z 16
Tytuł:
Influence of chemical mutagens on morphological traits in kalanchoe (Kalanchoe hybrida)
Wpływ mutagenów chemicznych na cechy morfologiczne u kalanchoe (Kalanchoe hybrida)
Autorzy:
Krupa-Malkiewicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/82458.pdf
Data publikacji:
2010
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
chemical mutagen
morphological trait
kalanchoe
Kalanchoe x hybrida
mutation
plant breeding
morphological change
Źródło:
Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica; 2010, 15
2081-1284
Pojawia się w:
Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reaction of Aquatic Plants of Small Rivers of the Turkestan Region of Kazakhstan to Heavy Metal Ions
Autorzy:
Issayeva, Akmaral
Myrzabayeva, Zhanar
Kidirbayeva, K.
Ibragimov, Talgat
Baitasheva, G.
Tleukeyeva, Assel
Powiązania:
https://bibliotekanauki.pl/articles/2105284.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
hydromacrophytes
heavy metals
bioindication
morphological change
accumulation
lead content
Opis:
Heavy metals are some of the environmental pollutants that have a serious impact on the environment. The analysis of hydromacrophytes growing in small rivers of the south of Kazakhstan with different contents of heavy metal salts revealed that the morphometric indicators of the same plant species differ significantly, depending on the level of total mineralization of the aquatic environment in different rivers of the Turkestan region. It has been established that two plant species can be used to bioindicate the content of lead ions in the aquatic environment: Azolla caroliniana Willd. and Veronica beccabunga L., which must be introduced into the tested aqueous solutions in the amount of 1.0 kg/m3 and 1.5–2.0 kg/m3, respectively, to fully cover the water column at different depths. The first morphological changes in plants, in the form of destruction of the structure of chloroplasts along the edges of unfolded leaves in A. caroliniana Willd. and slight withering of the lower underwater leaves in V. beccabunga L., occur already at a 1.5 mg/l Pb2+ content in water, and a further increase in the content of lead ions in water to 600.0–800.0 mg/l leads to the death of plants.
Źródło:
Journal of Ecological Engineering; 2022, 23, 6; 43--49
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphological changes and yield of selected species of leguminous plants under the influence of seed treatment with laser light
Autorzy:
Podlesny, J.
Podlesna, A.
Powiązania:
https://bibliotekanauki.pl/articles/26631.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
seed treatment
emergence
morphological change
yield
laser light
leguminous plant
Źródło:
International Agrophysics; 2004, 18, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Plant responses to a grafting process on the example of Arabidopsis thaliana hypocotyl during in vitro culture
Autorzy:
Sala, K.
Kurczynska, E.
Powiązania:
https://bibliotekanauki.pl/articles/951223.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
micrografting
Arabidopsis thaliana
grafting
hypocotyl
in vitro culture
cotyledon
mechanical stress
morphological change
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2015, 96, 1
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Models of particle aggregation and their usefulness
Autorzy:
De Boodt, M.F.
Powiązania:
https://bibliotekanauki.pl/articles/24378.pdf
Data publikacji:
1995
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
soil structure
morphological change
soil property
physical interaction
soil aggregate
biological interaction
Źródło:
International Agrophysics; 1995, 09, 1
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tapeworms morphological changeability in the chain of Hymenolepis diminuta WMS strain generations
Autorzy:
Stradowski, M
Powiązania:
https://bibliotekanauki.pl/articles/837268.pdf
Data publikacji:
1997
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Hymenolepis diminuta
generation group
cysticercoid
morphological change
length
proglottid
distribution
infection intensity
rat
tapeworm
Opis:
The investigations covered 54 subsequent generations of Hymenotepis diminuta WMS „strain" obtained through the administration of 6 cysticercoids of tapeworm to Wistar strain rats and WAG alb. rats. The number of tapeworms at 2.5 months after the infection of rats ranged from 3 to 6, on the average 5.2. Taking into consideration the most important type 1p2a (one testis on the poral side and two testes on the aporal side), 0p3a, 1p3a and 2p1a proglottids a significant differences was found in the distribution of the numerousity of type 1p3a proglottids (P<0.05). This indicates a possibility of an unguided change of the numerousity of proglottids of this type in a period covering 54 subsequent H. diminuta generations bred in laboratory conditions.
Źródło:
Annals of Parasitology; 1997, 43, 1
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phenomenon of floral reversion in bolting garlic (Allium sativum L.)
Autorzy:
Winiarczyk, K.
Marciniec, R.
Tchórzewska, D.
Powiązania:
https://bibliotekanauki.pl/articles/12188524.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
plant cultivation
garlic
Allium sativum
vegetative propagation
inflorescence
morphological change
bulb
flowering
flowering reversion
Opis:
In this study, we present investigations of morphological changes in the inflorescence of bolting Allium sativum L., which forms umbel-like inflorescences with small, inconspicuous flowers, bulbils, and leaf-like membranous bracts. Particular attention was focused on the architecture of a single flower, and the full sequence of developmental events and the differentiation of flower elements and inflorescence were traced. During the several-year long investigations of the garlic species, we observed that all inflorescence elements emerged chaotically, taking a completely random place in the inflorescence receptacle and it was impossible to identify the sequence of formation of the individual inflorescence elements. The absence of regular phyllotaxis and the specific sequence of formation of inflorescence elements are characteristic for inflorescence reversion. Since domesticated garlic has lost the capacity for sexual reproduction, it has probably evolved alternative reproduction modes in its developmental strategy, which is reflected by the formation of numerous bulbils (vegetative buds, topsets) in the inflorescence. This is one of the forms of reproductive strategy of the species, which through domestication progresses from sexual to asexual reproduction.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 2; 123-134
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tapeworms morphological changeability in the chain of Hymenolepis diminuta WMS strain generations
ZMIENNOŚĆ TASIEMCÓW HYMENOLEPIS DIMINUTA „RASY” WMS W ŁAŃCUCHU POKOLEŃ
Autorzy:
Stradowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2148898.pdf
Data publikacji:
1997
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Hymenolepis diminuta
generation group
cysticercoid
morphological change
length
proglottid
distribution
infection intensity
rat
tapeworm
Opis:
The investigations covered 54 subsequent generations of Hymenotepis diminuta WMS „strain" obtained through the administration of 6 cysticercoids of tapeworm to Wistar strain rats and WAG alb. rats. The number of tapeworms at 2.5 months after the infection of rats ranged from 3 to 6, on the average 5.2. Taking into consideration the most important type 1p2a (one testis on the poral side and two testes on the aporal side), 0p3a, 1p3a and 2p1a proglottids a significant differences was found in the distribution of the numerousity of type 1p3a proglottids (P<0.05). This indicates a possibility of an unguided change of the numerousity of proglottids of this type in a period covering 54 subsequent H. diminuta generations bred in laboratory conditions.
Źródło:
Wiadomości Parazytologiczne; 1997, 43, 1; 61-68
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphological, physical and physiological changes during maturation and ripening of ash (Fraxinus excelsior L.) seeds
Autorzy:
Farcas, C
Powiązania:
https://bibliotekanauki.pl/articles/41298.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
physical change
Fraxinus excelsior
morphological change
physiological change
samara
genotype
ripening
maturation
embryo
ash
pericarp
seed
Opis:
The establishment of certain morphological, physical and physiological criteria was considered and this might allow us to determine more precisely the maturation degree as well as the optimum harvest and sowing period of seeds. The criteria for assessing the maturation degree of seeds presented earlier (the completely formed embryo, the prominent endosperm with a normal consistency) can now be completed with a new criterion, namely the one referring to the slight tendency of the seesds tegument to get yellow. This is due to the fact that the seed completes its growing sooner than the pericarp. The fact was proved both by the greater decrease the fresh mass of the pericarp than that of the seed and by the greater decrease of the moisture content of the seed than that of the pericarp during the four examined ripening phases.
Źródło:
Dendrobiology; 2002, 47 Supplement
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Leaf architecture, lignification, and tensile strength during vegetative phase change in Zea mays
Autorzy:
Balsamo, R A
Orkwiszewski, J.A.J.
Powiązania:
https://bibliotekanauki.pl/articles/59251.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
leaf morphology
lignification
tensile strength
vegetative phase
plant development
Zea mays
morphological change
physiological change
plant anatomy
histochemical analysis
Opis:
Background and Aims: Leaf morphology, anatomy, degree of lignification, and tensile strength were studied during vegetative phase change in an inbred line of Zea mays (OH43 x W23) to determine factors that influence mechanical properties during development. Methods: Tensometer, light microscopy, histochemistry. Key results: Mature leaf length increased linearly with plant development, peaked at leaves 7 and 8 (corresponding to the onset of the adult phase) and then declined. Leaf width was stable for leaves 1 through 3, increased to leaf 7, remained stable to leaf 10, and then declined through leaf 13. Lamina thickness was highest for leaf 1 and decreased throughout development. Leaf failure load to width ratio and failure load to thickness ratio increased with development suggesting that changes in leaf morphology during development do not entirely account for increases in failure load. Histochemical analyses revealed that leaf tensile strength correlates with percent lignification and the onset of anatomical adult features at various developmental stages. Conclusions: These data demonstrate that in Zea mays lignification of the midrib parenchyma and epidermis may be directly correlated with increased tensile strength associated with phase change from juvenility to adulthood. Failure load and resultant tensile strength values are primarily determined by the percent tissue lignification and the appearance of leaf architectural characters that are associated with the transition from the juvenile to the adult phase. Increased mechanical stability that occurs during the phase transition from juvenility to adulthood may signify a fundamental change in strategy for an individual plant from rapid growth (survival) to reproduction.
Źródło:
Acta Societatis Botanicorum Poloniae; 2008, 77, 3; 181-188
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characteristic of morphological changes of the spine in selected mammal species
Charakterystyka zmian morfologicznych kręgosłupa wybranych gatunków ssaków
Autorzy:
Jundziłł-Bogusiewicz, P.
Gruszczyńska, J.
Shuvar, I.
Papis, K.
Powiązania:
https://bibliotekanauki.pl/articles/3133655.pdf
Data publikacji:
2021
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
mammal
humans
dog
spine
degenerative change
congenital defect
inflammatory disease
proliferative process
genetic predisposition
morphological change
SLC35A3 gene
Źródło:
Acta Scientiarum Polonorum. Zootechnica; 2021, 20, 3; 77-84
1644-0714
Pojawia się w:
Acta Scientiarum Polonorum. Zootechnica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ wad zgryzu na zaburzenia artykulacji
The impact of malocclusions on phonation disorders
Autorzy:
Lisiecka, Patrycja
Piątkowska, Dagmara
Powiązania:
https://bibliotekanauki.pl/articles/1045165.pdf
Data publikacji:
2015-01-01
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
speech-language pathology
speech-language pathologist
malocclusion
phonation disorders
underbite
overbite
open bite
orthodontist
teeth
lower jaw
alveolar ridge
incisors
dyslalia
morphological change
Opis:
This article presents a review of the research conducted to date into the coexistence of malocclusions and phonation disorders, as well as the results of research conducted by the authors of the article. It is an attempt at providing answers to the following questions: are phonation disorders related to specific malocclusions, what specific phonation disorders accompany specific occlusal problems, does a single problem condition another occlusal problem?Detailed study of this subject will provide a concise compilation of knowledge for experts in many areas, including speech-language pathology, orthodontics, paediatrics, otolaryngology and phoniatrics. The article presents a specific approach to occlusion, namely from the speech-language pathology point of view. The authors have associated phonation disorders with specific malocclusions.Numerous clinical trials are necessary to investigate this phenomenon, to research the above mentioned dependence and identifying the relations between malocclusions and phonation disorders. The article presents the results of the research carried out by the authors together with results of surveys undertaken by professionals dealing with the impact of malocclusions on phonation disorders over the years.
Źródło:
Poznańskie Studia Polonistyczne. Seria Językoznawcza; 2015, 22, 2; 89-101
1233-8672
2450-4939
Pojawia się w:
Poznańskie Studia Polonistyczne. Seria Językoznawcza
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kompleksowa ocena chwastobojczych substancji aktywnych stosowanych w gorczycy bialej [Sinapis alba L.] II. Zmiany fitotoksyczne i morfologiczne w gorczycy bialej [Sinapis alba L.] traktowanej herbicydami
Autorzy:
Murawa, D
Pykalo, I.
Banaszkiewicz, T.
Powiązania:
https://bibliotekanauki.pl/articles/832834.pdf
Data publikacji:
2004
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
herbicydy
rosliny oleiste
gorczyca biala
zmiany morfologiczne
morfologia roslin
zmiany fitotoksyczne
Sinapis alba
herbicide
oil plant
white mustard
morphological change
plant morphology
phytotoxic change
Źródło:
Rośliny Oleiste - Oilseed Crops; 2004, 25, 2; 533-547
1233-8273
Pojawia się w:
Rośliny Oleiste - Oilseed Crops
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of temperature on the development of Thrips nigropilosus Uzel (Thysanoptera: Thripidae) on Mentha x piperita L. and the impact of pest on the host plant
Autorzy:
Kucharczyk, H.
Kucharczyk, M.
Winiarczyk, K.
Lubiarz, M.
Tchórzewska, D.
Powiązania:
https://bibliotekanauki.pl/articles/12682489.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
plant cultivation
greenhouse cultivation
mint
Mentha piperita
herbal plant
host plant
plant morphology
plant anatomy
morphological change
anatomical change
pest
plant pest
Thysanoptera
Thripidae
Thrips nigropilosus
foraging
life cycle
temperature effect
Opis:
Thrips nigropilosus Uzel is a polyphagous species occurring mainly in temperate climates. Its life cycle depends on photoperiodic and temperature conditions. T. nigropilosus feeds on different plant species, but it is considered one of the most serious pests of pyrethrum plants causing serious economic problems. However, several additional agricultural host plants have been affected by T. nigropilosus, including spearmint, cucumber, and lettuce, indicating that this insect can significantly widen its habitats and occurs especially frequently in greenhouses. We report that T. nigropilosus massively attacked Mentha × piperita L. cultivated in greenhouses in central Poland and destroyed the entire mint crops within a short time. The study provided insight into the harmful effect of the thrips and showed that the length of the thrips developmental cycle was reduced with temperature increases from 18 to 26.6°C. The lower threshold temperatures were 13.7, 10.2, 5.0, and 10.1 for eggs, larvae, pupae, and total development, respectively, and the thermal constant for the same developmental stages was 65.9, 90, 132.5, and 284.9-degree days. Both parameters were estimated by linear regression analysis. During our experiment, T. nigropilosus developed by thelytokous parthenogenesis. The morphological and anatomical changes in damaged plants were associated with the fact that the insect began feeding on the lower lamina surface close to the leaf midribs, but no damage to vascular bundles and glandular cells was observed.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 3; 219-233
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Composition, antioxidant and antimicrobial activities of cold-pressed and distilled essential oils of Origanum onites L. and Lavandula officinalis L. relationships evaluated by SEM microscopy
Autorzy:
Erturk, O.
Aydin, G.
Ayvaz, M.C.
Baskan, C.
Powiązania:
https://bibliotekanauki.pl/articles/2049191.pdf
Data publikacji:
2020
Wydawca:
Instytut Włókien Naturalnych i Roślin Zielarskich
Tematy:
Origanum onites
Lavandula angustifolia
essential oil
antioxidant activity
antimicrobial activity
morphological change
scanning electron microscopy
chemical component
gas chromatography-mass spectrometry
oregano
lawenda
olejek eteryczny
działanie antyoksydacyjne
analiza GC-MS
działanie przeciwdrobnoustrojowe
Opis:
Introduction: In order to prevent increased bacterial resistance, it is important to use herbal medicines with less side effects. Objective: In this study, the chemical composition, antimicrobial, antioxidant activities and SEM images of Lavandula officinalis and Origanum onites oils obtained in two different ways were determined. Methods: The antimicrobial activity of the oils was determined against reference and multiple strains of foodborne and pathogenic bacteria. The each essential oil sample were analyzed by GC–MS. Antioxidant activities of the samples were examined through DPPH• and ABTS•+ radical scavenging and FRAP assays. Results: The results indicate that the oils of obtained from Origanum onites and Lavandula officinalis exhibited relatively strong antibacterial and antifungal activity. In addition, the antioxidant activities detected were remarkable. Morphological changes in bacterial cells treated with essential oil samples were demonstrated with SEM images. In addition, the chemical components of the oil samples obtained by both water steam and cold press were revealed by GC-MS analysis and compared. Conclusion: When all the obtained results are evaluated together; these plants could be suitable for using as antimicrobial and antioxidative agents in several industries such as food, cosmetic, etc.
Źródło:
Herba Polonica; 2020, 66, 4; 43-54
0018-0599
Pojawia się w:
Herba Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
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