Temat: Taxus - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Influence of herbivory pressure on the growth rate and needle morphology of Taxus baccata L. juveniles
Autorzy:: Kýpeťová, Marina
Walas, Łukasz
Jaloviar, Peter
Iszkuło, Grzegorz
Powiązania:: https://bibliotekanauki.pl/articles/956958.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:: taxus baccata l.
herbivory grazing
regeneration
sapling growth
Opis:: Damage by herbivore grazing negatively influences the development of subsequent forest generations. Little is known about the long-term impacts of grazing and interactions between grazing and light conditions on sapling growth after the cessation of herbivory impact. In this study, Taxus baccata saplings were grown over a period of four years in artificial shading at 2, 8, 30 and 100% of full sunlight (described as initial light). These saplings were planted in fenced and unfenced plots in a mixed forest in Poland. After six years with no protection from grazing, deer pressure was eliminated by fencing. In this study, we analysed sapling growth and needle morphology five years after deer suppression. Overall, grazing had a negative significant impact on the growth rate and needle morphology of T. baccata saplings. Saplings damaged by herbivores had a height increment approximately one-third that of non-grazed saplings. The grazed yew saplings had a lower needle area and length and a higher specific leaf area (SLA) than non-grazed saplings. Initial and current light conditions did not influence tree growth rates and needle morphology. However, we found positive correlations between sapling height and both leaf area and leaf length and a negative correlation between sapling height and SLA. Browsed yews also had a greater tendency to form polycormic (multi-stemmed) individuals. Lower growth rates, smaller needles and polycormic stems indicate a strategy of “escaping” herbivory pressure even five years after elimination of deer pressure.
Źródło:: Dendrobiology; 2018, 79; 10-19
1641-1307
Pojawia się w:: Dendrobiology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Cadmium and Lead Accumulation Patterns in Organs of Chosen Urban Tree Species
Akumulacja kadmu i ołowiu w organach wybranych gatunków drzew miejskich
Autorzy:: Steindor, K.
Palowski, B.
Powiązania:: https://bibliotekanauki.pl/articles/389433.pdf
Data publikacji:: 2011
Wydawca:: Towarzystwo Chemii i Inżynierii Ekologicznej
Tematy:: metale ciężkie
Aesculus hippocastanum
Taxus baccata
Fraxinus excelsior
heavy metals
Opis:: The concentration of Cd and Pb in leaves/needles, twigs, seeds and fruit coverings of: horse-chestnut (Aesculus hippocastanum L.), yew-tree (Taxus baccata L.), European ash (Fraxinus excelsior L.), and in the soil at the base of the same trees was investigated. The ability of metal accumulation was determined in all investigated tree species as well as different partitioning in examined plant tissues. The lowest Pb concentration was found in fruit parts of all tree species: in seeds or fruit covering. The lowest Cd concentration in unpolluted regions was determined in leaves/needles or twigs. The highest Cd and Pb concentration in investigated tissues depends on the species and the pollution level of the place where plants were growing. The obtained results could be used to determine the most suitable organs for Pb and Cd biomonitoring in the environment.
Oznaczono stężenie Cd i Pb w liściach, pędach, nasionach oraz częoeci płonej owocu trzech gatunków drzew popularnie nasadzanych w miastach: kasztanowcu zwyczajnym (Aesculus hippocastanum L.), cisie pospolitym (Taxus baccata L.) i jesionie wyniosłym (Fraxinus excelsior L.) oraz w materiale glebowym zebranym pod wybranymi osobnikami. Stwierdzono zdolność do akumulacji metali przez badane gatunki oraz zróżnicowane stężenie metali w poszczególnych organach. Najniższe stężenie Pb oznaczono u wszystkich trzech badanych gatunków w częściach owocu – nasionach lub części płonej, w przypadku Cd dla drzew z rejonów stosunkowo słabo zanieczyszczonych niższe zawartości kadmu notowano w liściach/szpilkach lub pędach. Organy o najwyższym stopniu koncentracji Cd i Pb w tkankach różnią się w zależności od gatunku drzewa, badanego metalu oraz stopnia zanieczyszczenia środowiska, z którego pobierano próbki. Uzyskane dane mogą posłużyć do wytypowania organów przydatnych w biomonitoringu kadmu i ołowiu w środowisku.
Źródło:: Ecological Chemistry and Engineering. A; 2011, 18, 3; 453-460
1898-6188
2084-4530
Pojawia się w:: Ecological Chemistry and Engineering. A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Zmiany roślinności w rezerwacie "Cisy Staropolskie im. Leona Wyczółkowskiego" koło Wierzchlesu w Borach Tucholskich
Changes in vegetation of the 'Cisy Staropolskie im. Leona Wyczolkowskiego' reserve near Wierzchlas in the Tuchola Forest
Autorzy:: Iszkuło, G.
Golimowski, R.
Lewandowska, A.
Wachowiak, E.
Boratyński, A.
Powiązania:: https://bibliotekanauki.pl/articles/994670.pdf
Data publikacji:: 2012
Wydawca:: Polskie Towarzystwo Leśne
Tematy:: rezerwaty przyrody
rezerwat Cisy Staropolskie
cis pospolity
Taxus baccata
dynamika roslinnosci
dynamika zmian
taxus baccata
association dynamics
seedling die−off
sex structure
Opis:: Basing on repeated analyses of vegetation of the ‘Cisy Staropolskie im. Leona Wyczółkowskiego’ reserve near Wierzchlas (N Poland) it was found that frequency of species characteristic for Querco−Fagetea association increased at the expense of species typical for acidophilous and wet sites (Vaccinio−Piceetea, Quercetea robori−petraeae and Alnetea glutinosae, Phragmitetea classes respectively). Yew population decreased in number by almost 30%, while in case of other species this rate amounted from 18 to 80%. This points to natural process of decrease in number of trees related with their growth and ageing. Sex structure of Taxus baccata population (only 29% of females) turned to be very unfavourable. Although yew seedlings occur in great number, they die in vast majority during the wintertime. Low temperature connected with over−shadowing are probably the main reason of such small survival rate.
Źródło:: Sylwan; 2012, 156, 03; 163-169
0039-7660
Pojawia się w:: Sylwan
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Wykorzystanie unikalnych walorów cisa pospolitego w edukacji przyrodniczo-leśnej studentów
Using the unique advantages of yew in nature-forestry education of sudents
Autorzy:: Kulis, A.
Wrona, A.
Gorecki, B.
Powiązania:: https://bibliotekanauki.pl/articles/880817.pdf
Data publikacji:: 2011
Wydawca:: Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Leśny Zakład Doświadczalny. Centrum Edukacji Przyrodniczo-Leśnej w Rogowie
Tematy:: drzewa lesne
cis pospolity
Taxus baccata
Nadlesnictwo Wipsowo
edukacja przyrodniczo-lesna
Źródło:: Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej; 2011, 13, 1[26]
1509-1414
Pojawia się w:: Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Postglacial migration dynamics helps to explain current scattered distribution of Taxus baccata
Autorzy:: Iszkulo, G.
Pers-Kamczyc, E.
Nalepka, D.
Rabska, M.
Walas, L.
Dering, M.
Powiązania:: https://bibliotekanauki.pl/articles/41150.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:: yew
Taxus baccata
migration dynamics
endangered species
Quaternary
human impact
competition
Opis:: Taxus baccata L. has a scattered distribution and the decline of yew woodlands is observed across the entire species range. Passively protected populations in the central and northern part of their distribution are declining without human intervention. However, the establishment of new yew populations is observed in habitats that have been significantly transformed by humans. The following question need to be answered: why do yews find better in environmental conditions that have been strongly modified by humans compared to natural systems? The Quaternary history might be the key to understand the current yew situation. As suggested by palaeobotanical studies, pollen of T. baccata was observed at optima of the interglacials, but in subsequent periods, it has been displaced by that of other shade-tolerant species. Pollen diagrams indicate that after the last glaciation, the yew did not appear earlier than other shade-tolerant species and did not have the opportunity to become common in occurrence, as in previous interglacial periods. As a result, yews occur only as relict populations within environmental islands where the competition with other shade-tolerant species is low. The negative human impact on yew is well-documented, but limitations resulting from the biology of this species are also very important. T. baccata is a species whose current scattered distribution may explain the Quaternary history. Yew situation is better in artificial conditions because people reduce competition from other trees species and deer pressure. Possible positive impact of human on yew distribution in the past is also discussed. The current biological condition of this species suggests the need for active protection.
Źródło:: Dendrobiology; 2016, 76
1641-1307
Pojawia się w:: Dendrobiology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Zmienność genetyczna cisa w wybranych rezerwatach Polski
Genetic variability of yew in the selected Polish nature reserves
Autorzy:: Nawrocka-Grześkowiak, U.
Skuza, L.
Szucko, I.
Powiązania:: https://bibliotekanauki.pl/articles/989813.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Leśne
Tematy:: lesnictwo
drzewa lesne
cis pospolity
Taxus baccata
zmiennosc genetyczna
rezerwaty przyrody
populacje roslin
zroznicowanie genetyczne
markery genetyczne
markery RAPD
genetic diversity
molecular markers
taxus baccata
nature reserv
Opis:: Genetic variability of yew (Taxus baccata L.) trees in seven nature reserves (Jasień, Czarne Człuchowskie, Choczewo, Wierzchlas, Wirty, Rokita and Mogilno/Stary Sącz) in Poland was investigated by RAPD methods. The results showed high genetic differences between populations ranging from 22.7% among the population of Stary Sącz and hedge (+) to 86.1% between Wierzchlas and Rokita (+). Based on the results of RAPD analyses, the studied populations were divided into three groups of similarity. The first include Jasień and Choczewo the populations, the second Rokita (+), hedge (–) and Stary Sącz, and the third remaining populations. High level of genetic diversity was showed among the studied populations, is essential to the adaptability of the population of yew. This theoretically increases the chances of survival species thanks to the possibility of passing to preferred combinations of genes to the future generations.
Źródło:: Sylwan; 2015, 159, 06; 491-497
0039-7660
Pojawia się w:: Sylwan
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Seasonal fluctuations of photosynthetic pigments content in Taxus baccata needles
Autorzy:: Zarek, M.
Powiązania:: https://bibliotekanauki.pl/articles/41084.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:: seasonal fluctuation
photosynthetic pigment content
Taxus baccata
needle
pigment
sex
age
chlorophyll
Opis:: Yew is a coniferous, evergreen, dioecious species. The objective of the study was to present a comprehensive characteristic of changes occurring throughout the year in terms of the content of photosynthetic pigments and related compounds in the needles of yew, depending on the sex of individuals and age of needles. Eight compounds, particularly chlorophyll a (Chl a), chlorophyll b (Chl b), carotenoids (Car), protoporphyrin IX (PPIX), magnesium protoporphyrin IX (MgPPIX), protochlorophyllide (Pchlide), chlorophyllide a (Chlide a), and chlorophyllide b (Chlide b), were subjected to quantitative analysis. Based on the several parameters under study, significant differences between male and female individuals were observed, while most commonly, the largest differences were reported in the autumn and winter period. They were related to the content of Chl a, Chl b and Chl/Car ratio. The remaining compounds showed no significant differences according to the sex and were slightly different only in single periods. For all the studied parameters except for Chl/Car ratio, interaction between sampling dates and sex was not statistically significant. Significant differences between the needles of different age were observed only in terms of the content of Chl b, MgPPIX, Pchlide, Chlide b, and Chl a/b ratio, and these differences were always caused by the current-year needles.
Źródło:: Dendrobiology; 2016, 76
1641-1307
Pojawia się w:: Dendrobiology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Quantification of taxol by high-performance thin layer chromatography in Taxus wallichiana callus cultivated in vitro
Autorzy:: Mujib, A.
Tonk, D.
Gulzar, B.
Maqsood, M.
Ali, M.
Powiązania:: https://bibliotekanauki.pl/articles/2096321.pdf
Data publikacji:: 2020
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: antioxidant enzymes
callus induction
stress
taxol
Taxus wallichiana
2
4-dichlorophenoxyacetic
acid
Opis:: In the present study, the induction of callus, callus biomass growth and the yield of taxol were investigated in Taxus wallichiana. This is the first report of a quantification study of taxol in in vitro grown tissues of Taxus obtained from Jammu and Kashmir provinces, India. For callus induction, three different explant types (leaf, cone and stem) were cultured in media supplemented with 2,4-dichlorophenoxyacetic acid (2,4-D), naphthaleneacetic acid (NAA) and 6-benzylaminopurine (BAP). The stem was most responsive to callusing, and the maximum callus induction frequency of 71.5% was noted on medium amended with 2.0 mg/l 2,4-D. The medium amended with 2,4-D and ascorbic acid (AA) showed better callus growth and the maximum biomass (0.082 g, fresh weight). The yield of taxol was quantified in the callus grown on a medium supplemented with different plant growth regulators (PGRs) by using high-performance thin layer chromatography (HPTLC). The taxol yield was maximum (1.053 μg/g dry weight) in 2,4-D-stimulated callus, followed by callus treated with NAA in which 0.896 μg/g dry weight taxol was detected. The maximum taxol yield (56.6%) was obtained in the callus grown on the medium amended with 2,4-D, and a 33.3% increased yield was noted on the NAA-supplemented medium. As a stress marker, the activities of the antioxidant enzymes superoxide dismutase (SOD) and ascorbate peroxidase (APX) and the level of proline were measured in an auxin (2,4-D and NAA)-supplemented medium. The callus grown on the 2,4-D-supplemented medium had high levels of SOD (3.91 min-1 * mg-1 protein), APX (1.61 min -1 * mg-1 protein) and proline (6.57 mg/g), thus suggesting a higher stress level; the callus grown on the NAA-supplemented medium had slightly lower levels of SOD and APX enzyme activities and proline content (3.01 min-1 * mg -1 protein, 1.04 min-1 * mg -1 protein and 5.90 mg/g, respectively). BAP had little influence on stress parameters. The present study thus indicates a good taxol yield in the callus cultured in 2,4-D, which functioned as a signalling element and a stressor. The taxol yield in response to PGRs was analysed in in vitro cultivated tissues.
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2020, 101, 4; 337-347
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Cis pospolity (Taxus baccata L.) z Henrykowa Lubańskiego – wątpliwości co do rzeczywistego wieku najstarszego drzewa Polski
European yew (Taxus baccata L.) from Henrykow Lubański – some doubts about the real age of the oldest tree in Poland
Autorzy:: Zarzyński, Paweł
Tomusiak, Robert
Powiązania:: https://bibliotekanauki.pl/articles/1186042.pdf
Data publikacji:: 2020-02-19
Wydawca:: Polskie Towarzystwo Dendrologiczne
Tematy:: European yew
Taxus baccata
Henryków Lubański
the oldest tree in Poland
Opis:: European yew (Taxus baccata) from Henryków Lubański (Lower Silesian Province) is considered to be the oldest known tree in Poland. It is assumed that it is 1284 years old. Nevertheless, many doubts arise as to its real age because of the method used to estimate the age of the tree and the unusual shape of its trunk.
Źródło:: Rocznik Polskiego Towarzystwa Dendrologicznego; 2019, 67; 49-52
2080-4164
2300-8326
Pojawia się w:: Rocznik Polskiego Towarzystwa Dendrologicznego
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Choroby cisa pospolitego
Autorzy:: Grzywacz, A.
Powiązania:: https://bibliotekanauki.pl/articles/818020.pdf
Data publikacji:: 2001
Wydawca:: Polskie Towarzystwo Leśne
Tematy:: Taxus baccata
choroby roslin
czynniki chorobotworcze
cis pospolity
lesnictwo
drzewa lesne
fitopatologia lesna
Źródło:: Sylwan; 2001, 145, 10; 5-21
0039-7660
Pojawia się w:: Sylwan
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Identification and quantitative determination of pinoresinol in Taxus x media Rehder needles, cell suspension and shoot cultures
Autorzy:: Mistrzak, P.
Celejewska-Marciniak, H.
Szypula, W.J.
Olszowska, O.
Kiss, A.K.
Powiązania:: https://bibliotekanauki.pl/articles/56453.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Botaniczne
Tematy:: identification
quantitative determination
pinoresinol
Taxus x media
needle
cell suspension
shoot culture
Opis:: The aim of our study was to investigate the presence and quantitative contents of lignans in the tissues of Taxus ×media. The presence of the lignans: pinoresinol, matairesinol and secoisolariciresinol was assessed in needles, shoots cultures and suspension culture. Pinoresinol was the only lignan found in the tissue of T. ×media. The total pinoresinol content in the needles and in the shoots was 1.24 mg/g dry weight (dw) and 0.69 mg/g dw, respectively. Most of the pinoresinol identified was appeared glycosidically bound. In needles, the amount of glycosidically bound pinoresinol (0.81 mg/g dw) was about twice as high as that of free pinoresinol (0.43 mg/g dw). The content of free and glycosidically bound pinoresinol showed the level of 0.18 mg/g dw and 0.51 mg/g dw, respectively in the in vitro shoot cultures. In the cell culture, no pinoresinol was found.
Źródło:: Acta Societatis Botanicorum Poloniae; 2015, 84, 1
0001-6977
2083-9480
Pojawia się w:: Acta Societatis Botanicorum Poloniae
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Influence of initial light intensity and deer browsing on Taxus baccata saplings: a six years field study
Autorzy:: Iszkulo, G.
Nowak-Dyjeta, K.
Sekiewicz, M.
Powiązania:: https://bibliotekanauki.pl/articles/957073.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:: light intensity
deer
browsing
Taxus baccata
sapling
yew
European yew
rare species
endangered plant
Opis:: European yew (Taxus baccata L.) is a rare species, but is the focus of great interest because of the species recovery attempts and its use in medicine. The aim of this study was to determine the optimum conditions for the development of the young generation of this species. Four-year old yew seedlings were grown under artificial light reduction: 2, 8, and 30%, as well as in full light. The seedlings were then planted in natural conditions in fenced and unfenced areas. The results of six years field studies indicated that the greatest impact on survival was shown by the light conditions from the period before planting under the canopy of trees. Seedlings from the 2 and 8% of light showed the greatest mortality. The reason was the sudden change in light conditions, because at the time of planting (early spring), there was no reduction of light under deciduous trees. Almost all of the unfenced yew seedlings were grazed by deer, but yew survival in the unfenced group was surprisingly high despite the permanent grazing. This was explained by the high resistance of yew to cutting and the protection of seedlings by a dense layer of Rubus. The results indicated that yew trees require protection against animals for normal development, even if animals have not previously had contact with Taxus and that yew seedlings are very sensitive to sudden changes in light. Both conclusions can be applied in the development of natural and artificial regeneration of European yew and other endangered plants.
Źródło:: Dendrobiology; 2014, 71; 93-99
1641-1307
Pojawia się w:: Dendrobiology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Struktura populacji i kondycja zdrowotna cisa pospolitego w rezerwacie "Cisy nad Liswartą"
Population structure and health conditions of European yew in 'Cisy nad Liswarta' reserve
Autorzy:: Hylla, W.
Dobrowolska, D.
Powiązania:: https://bibliotekanauki.pl/articles/989692.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Leśne
Tematy:: lesnictwo
rezerwaty przyrody
rezerwat Cisy nad Liswarta
drzewa lesne
cis pospolity
Taxus baccata
struktura populacji
struktura grubosci
struktura wysokosci
zdrowotnosc drzew
odnowienia naturalne
taxus baccata
vitality
diameter and height structure
natural regeneration
Opis:: The aim of the study was to recognise the structure (sex, height, diameter) and vitality of European yew (Taxus baccata L.) population in the ‘Cisy nad Liswartą' reserve (50°46'27,12"N 18°47'11,86"E). The field investigations were performed in years 2005−2009. We measured diameter at breast height, diameter at root collar and height of all yews in the reserve. Sex of the individuals was determined as well as their health condition was classified into one of five classes. Total number of life and dead yew specimens (with height over 0,5 m) accounted to 466. Majority of the population grew in dense stands (stand density index 0.5−0.7). Sex was described for 55% of the population. Number of female individuals was 142 (30%) and male 116 (25%). Lack of or small crown transparency was found for 30% of life yew trees. The share of high transparency crowns equalled 11%. Damage caused by the game (especially deer) was older than 10 years and found for 42% life trees. Seedlings occurred under the canopy of 47 mature trees (10% of population). 15 relevés were established in the investigated stands. Natural regeneration of yew was found on 11 of them. 5 characterised with small number of yew seedlings. The greatest number of seedlings equalled 200 individuals. It was found that the number of yews higher than 0.5 m decreased in comparison to the previous surveys. Female and male yew trees occurred in the reserve, so the generative breeding is possible. Health condition of the analysed yew population is moderate. Problems with survival of the seedlings was observed. The special treatments should be recommended – cutting of some competitors to give more light for natural regeneration and fencing the greater number of yew seedlings.
Źródło:: Sylwan; 2015, 159, 01; 62-70
0039-7660
Pojawia się w:: Sylwan
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Walory botaniczne rezerwatu przyrody Cisy Tychowskie
Autorzy:: Janyszek, S
Szczepanik-Janyszek, M.
Krol, S.
Powiązania:: https://bibliotekanauki.pl/articles/878123.pdf
Data publikacji:: 2002
Wydawca:: Uniwersytet Przyrodniczy w Poznaniu
Tematy:: Taxus baccata
zbiorowiska roslinne
rosliny naczyniowe
walory florystyczne
rezerwaty przyrody
cis pospolity
rezerwat Cisy Tychowskie
Źródło:: Roczniki Akademii Rolniczej w Poznaniu. Botanika; 2002, 05; 79-88
1508-9193
Pojawia się w:: Roczniki Akademii Rolniczej w Poznaniu. Botanika
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Fungi colonizing shoots of common yew [Taxus baccata L.] in the Jagiellonian University Botanic Garden in Cracow
Grzyby zasiedlajace pedy cisa pospolitego [Taxus baccata L.] w Ogrodzie Botanicznym UJ w Krakowie
Autorzy:: Mirski, W
Powiązania:: https://bibliotekanauki.pl/articles/26767.pdf
Data publikacji:: 2008
Wydawca:: Polskie Towarzystwo Botaniczne
Tematy:: needle
Taxus baccata
common yew
branch
disease symptom
fungi
yew
plant
Botanical Garden in Krakow
Opis:: The aim of the investigations was determination the reasons of dying down of needles and branches of common yew (Taxus baccata L.) in the park collection of Botanic Garden of Jagiellonian University in Cracow. The disease changes of infectious nature were observed on the examined plants’ parts. The changes’appearance, its location and extent were described in details. At fi rst the spots were brown colour with distinct hem. Then the needle and branch tissues were dying down. From end of May to July mass falling down of infesteted needles was observed. Mycological analysis of diseased tissues showed 34 fungi species. To the dominant species belonged: Alternaria alternata, Colletotrichum gloeosporioides, Fusarium spp., Pestalotiopsis guepinii, Phomopsis juniperivora and Zythiostroma pinastri. Common yew pathogens: Phomopsis juniperivora and Sclerophoma pityophila were found among the isolated fungi.
Badania miały na celu określenie przyczyn zamierania igieł i gałązek cisa pospolitego (Taxus baccata L.) w kolekcji Ogrodu Botanicznego UJ w Krakowie. Na badanych częściach roślin występowały zmiany chorobowe o charakterze infekcyjnym. Opisywano szczegółowo ich wygląd, zlokalizowanie i zasięg. Początkowo były to plamy brązowawo zabarwione z wyraźną obwódką. Następnie tkanki igieł i gałązek zamierały. Obserwowano też masowe opadanie porażonych igieł w okresie od końca maja do lipca. Przeprowadzona analiza mikologiczna chorych tkanek wykazała w nich obecność 34 gatunków grzybów, wśród których dominowały: Alternaria alternata, Colletotrichum gloeosporioides, Fusarium spp., Pestalotiopsis guepinii, Phomopsis juniperivora oraz Zythiostroma pinastri. W populacji wyizolowanych grzybów stwierdzono obecność patogenów cisa pospolitego, tj.: Phomopsis juniperivora i Sclerophoma pityophila.
Źródło:: Acta Agrobotanica; 2008, 61, 1
0065-0951
2300-357X
Pojawia się w:: Acta Agrobotanica
Dostawca treści:: Biblioteka Nauki

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