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Articles de revues sur le sujet « Melica »

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Auteur : Grafiati
Publié le 11 mars 2023

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1

Zielewicz, Waldemar, Barbara Wróbel et Gniewko Niedbała. « Quantification of Chlorophyll and Carotene Pigments Content in Mountain Melick (Melica nutans L.) in Relation to Edaphic Variables ». Forests 11, no 11 (13 novembre 2020) : 1197. http://dx.doi.org/10.3390/f11111197.

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The aim of the study was to identify and compare the content of chlorophyll and carotene pigments in mountain melick plants (Melica nutans L.) growing in two forest habitats in the Zielonka Forest Landscape Park in the Greater Poland region, which differed in soil properties and moisture. Leaf blades from the middle level of Melica nutans generative shoots were used as analytical material to measure the content of chlorophyll a, chlorophyll b, β-carotene and total carotenoids. The average (±SD) content of chlorophyll a in the Melica nutans plants growing in the less fertile site (Location I) amounted to 6.67 ± 0.99 mg·g−1 DM. The average content of chlorophyll b in the same plants was 2.44 ± 0.39 mg·g−1 DM. The Melica nutans plants growing in the more fertile site (Location II) had a higher content of chlorophyll a, i.e., 7.76 ± 0.96 mg·g−1 DM, and lower content of chlorophyll b, i.e., 2.36 ± 0.26 mg·g−1 DM. The plants collected from both sites had similar content of β-carotene, i.e., 0.61 ± 0.11 mg·g−1 DM Location I and 0.62 ± 0.07 mg·g−1 DM Location II. The plants growing in the less fertile site (Location I) had significantly higher total carotene content than the plants in the more fertile site (Location II). The content of pigments in the Melica nutans plants was significantly differentiated by the meteorological conditions in the subsequent years of the research. In the first year of the research, the average content of all chlorophyll pigments in the plants was significantly higher than in the second drier year, regardless of the site.
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Hempel, Werner. « Die systematische Stellung von Melica altissima L. und des Melica minuta L.-Melica ramosa Vill.-Komplexes (Melica L. Subgen. Altimelica Hempel) (Vorarbeiten zu einer Revision der Gattung Melica L. - III) ». Feddes Repertorium 84, no 7-8 (18 avril 2008) : 533–68. http://dx.doi.org/10.1002/fedr.19730840704.

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ЦВЕЛЁВ, Н. Н. « О ВИДАХ СЕКЦИИ MELICA РОДА MELICA (POACEAE) В РОССИИ, "БОТАНИЧЕСКИЙ ЖУРНАЛ" ». Ботанический журнал, no 2 (2012) : 252–57. http://dx.doi.org/10.1134/s1234567812020103.

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Секция Melica рода Melica L. представлена в России 7 видами: M. minor Hack., M. picta C. Koch, M. smirnovii Tzvel., M. nutans L., M. grandiflora Koidz., M. amurensis (Probat.) Tzvel. и M. komarovii Luczn. Один вид - M. smirnovii Tzvel. описан как новый для науки. Дается новая комбинация в ранге вида - M. amurensis (Probat.) Tzvel. Нередко объединяемые дальневосточные виды M. grandiflora и M. komarovii приняты за самостоятельные.
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Hempel, W. « Taxonomische und chorologische Untersuchungen an Arten von Melica L. Subgen. Melica ». Feddes Repertorium 81, no 1-5 (18 avril 2008) : 131–45. http://dx.doi.org/10.1002/fedr.19700810111.

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Hempel, W. « Die systematische Stellung von Melica uniflora Retz. und Melica rectiflora Boiss. er Heldr. (Melica L. Subgen. Bulbimelica, subgen. nov.) (Vorarbeiten zu einer Revision der Gattung Melica L.-I) ». Feddes Repertorium 81, no 10 (18 avril 2008) : 657–86. http://dx.doi.org/10.1002/fedr.19710811002.

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SHAHHOSEINI, Hajar. « Investigation of Early Vocabulary Development of a Persian Speaking Child at Age 2 Years Old in Iran ». Acta Linguistica Asiatica 7, no 2 (29 décembre 2017) : 113–26. http://dx.doi.org/10.4312/ala.7.2.113-126.

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This study investigates the development of early Persian vocabulary in the process of first language acquisition in case of an Iranian child at age 2. The child was named Melica in this paper and her speech was observed for the period of 6 months. The outcomes show that Melica could produce about 150 words and understand many more when she was 2 years old. Also she understood such meanings as “on”, “under”, and “in”. At that age, she mostly produced nouns, which represented more than half of her vocabulary. Observed for a period of six months, Melica showed a gradual development in word as well as in sentence production, though some discrepancies in the use of certain words, such as developmental errors and overextensions, were also reported.
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Ена, А. В. « НАХОДКА MELICA ALTISSIMA (POACEAE) В КРЫМУ ». Ботанический журнал 106, no 9 (2021) : 920–22. http://dx.doi.org/10.31857/s0006813621090052.

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Lazkov, G. A., et A. K. Usupbaev. « The synopsis of the genus Melica (Poaceae) in the flora of Kyrgyz Republic ». Novitates Systematicae Plantarum Vascularium 48 (2017) : 26–32. http://dx.doi.org/10.31111/novitates/2017.48.26.

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On the base of a critical review of the material kept in the Herbarium of the Laboratory of Flora, Institute for Biology and Pedology, National Aсademy of Sciences of Kyrgyz Republic (FRU), a synopsis of the genus Melica L. (Poaceae) in the flora of the Kyrgyz Republic (further KR) with a key for the species identification and short nomenclatural citations is presented. Nine species belonging to 2 sections are recognized in KR. A new species Melica chatkalica Lazkov et Usupbaev is described, differential characters from related species are given. M. schafkatii Bondarenko is newly reported for KR, and M. nutans L. for the Western Tien Shan. The hybrid origin of M. chatkalica and M. schafkatii is proposed. Maps of distribution of the species growing in KR and list of studied specimens are provided.
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Kapczyńska, Anna. « Effect of seed age and fertilisation on the growth and decorative quality of selected ornamental grasses ». Folia Horticulturae 24, no 1 (1 janvier 2012) : 73–80. http://dx.doi.org/10.2478/v10245-012-0011-3.

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Effect of seed age and fertilisation on the growth and decorative quality of selected ornamental grassesOrnamental grasses have become a popular group of plants for use in landscaping. The aim of the present experiment was to assess the influence of seed age on the germination of ornamental grasses. In the glasshouse experiment, seeds of three grass genera,Melica, PennisetumandStipa, were tested. The seeds came from the Plant Breeding and Acclimatisation Institute in Bydgoszcz. They were harvested in 2005, 2006 and 2007 (so they were three years old, two years old, and one year old, respectively). In all the genera, the youngest seeds showed the highest germination, which varied between 61% (Melica transsilvanica) and 74% (Melica ciliatassp.taurica). The germination process of the oldest seeds (three years old) proceeded at various rates, depending on the species, but the highest ability to germinate was observed inPennisetum flaccidum(39%) andStipa tenuissima(42%). After germination,Melicasp. andStipasp. plants were repotted and treated with Hydrocote (a slow-release fertiliser). The results obtained indicated that the fertilisation of the grasses significantly increased the height of the plants. Plants ofMelica altissima‘Atropurpurea’ also formed three times more inflorescences than the control plants. The application of the fertiliser had a positive effect on leaf colour (a more intense green) in all of the tested genera.
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Gudžinskas, Zigmantas. « Alien herbaceous plant species new to Lithuania ». Botanica Lithuanica 23, no 1 (27 juin 2017) : 33–42. http://dx.doi.org/10.1515/botlit-2017-0003.

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AbstractThis paper presents information about ten new alien plant species recorded in Lithuania in the period from 1995 to 2014. These species belong to eight families: Cucurbitaceae (Lagenaria siceraria), Juncaceae (Luzula sylvestris), Lamiaceae (Physostegia virginiana, Sideritis montana), Poaceae (Melica altissima, Miscanthus sacchariflorus), Portulacaceae (Claytonia perfoliata), Scrophulariaceae (Digitalis purpurea), Solanaceae (Datura inoxia) and Zygophyllaceae (Tribulus terestris). Three species (Claytonia perfoliata, Sideritis montana and Tribulus terestris) were introduced accidentally, whereas other seven species were introduced deliberately and later escaped from cultivation. One species, Luzula sylvatica, is ascribed to the group of established aliens, whereas other recorded species are treated as casual. Local establishment of Claytonia perfoliata, Digitalis purpurea and Melica altissima is expected, whereas Miscanthus sacchariflorus can become established and even invasive in the future.
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Zurli, Loriano, et Paola Paolucci. « La chiusa melica dei choliambi di Persio ». Giornale Italiano di Filologia 59, no 2 (novembre 2007) : 179–211. http://dx.doi.org/10.1484/j.gif.5.101731.

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Бондаревич (Bondarevich), Евгений (Evgenij) Александрович (Аleksandrovich). « CHANGES OF CONTENT OF FREE AMINO ACIDS IN GRAINS OF FOREST GROWING EASTERS OF EASTER TRANSBAIKALIA IN PULLING IN OSMOSITIC STRESS ». chemistry of plant raw material, no 3 (12 mars 2018) : 83–89. http://dx.doi.org/10.14258/jcprm.2018033705.

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In the course of studying the content of free amino acids in dry and germinating grains of wild cereals, some biochemical features of their dynamics were revealed depending on the osmotic pressure. In most species, except Agropyron cristatum, a significant increase in the concentration of amino acids occurred in the control on the first day after the start of the experiment; in the subsequent period, their decrease was observed. For Agropyron cristatum, a decrease in the index and a smooth increase after the first day were observed. Under the influence of osmolyte, the tendency to mobilize amino acids has changed and in some species (Stipa krylovii, Melica virgata, Melica turczaninowiana) the maximum amounts were observed on the first day from the beginning of the experiment, in the others to the second day. The total amount of free amino acids in the control and in the test was not significantly different. There was also a rapid mobilization of proteinogenic amino acids with increasing osmotic stress for the widespread Stipa krylovii and Agropyron cristatum in the region. A similar trend was noted for the xerophyte Tripogon chinensis. For grasses with a narrow ecological niche, which are characterized by xeromesophilia, osmotic stress suppressed the rapid mobilization of free amino acids. The content of individual groups of amino acids under the influence of osmotic stress was characterized by significant differences for species of the Melica genus in the number of acidic amino acids, for Tripogon chinensis an increase in the content of basic amino acids, and for Agropyron cristatum by a decrease in their concentration.
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Angelov, G., et I. Bednarska. « ISOENZYME DIVERSITY WITHIN GENUS MELICA (POACEAE) – SYSTEMATIC IMPLICATIONS ». Visnyk of Lviv University. Biological series, no 75 (1 février 2017) : 48–53. http://dx.doi.org/10.30970/vlubs.2017.75.05.

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Yu, Jiaojun, Fei Zhao, Shisheng Li, Yuanping Fang, Jun Xiang et Hongjin Dong. « The complete chloroplast genome sequence of Melica scabrosa (Poaceae) ». Mitochondrial DNA Part B 4, no 2 (3 juillet 2019) : 2872–73. http://dx.doi.org/10.1080/23802359.2019.1660258.

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Hempel, Werner. « Zwei neue Melica-Arten aus Tibet Mit 5 Abbildungen ». Feddes Repertorium 83, no 1-2 (18 avril 2008) : 1–10. http://dx.doi.org/10.1002/fedr.19720830102.

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Bartolucci, Fabrizio, Gianniantonio Domina, Simonetta Bagella, Giuseppina Barberis, Ian Briozzo, Mario Calbi, Maria C. Caria et al. « Notulae to the Italian native vascular flora : 10 ». Italian Botanist 10 (26 novembre 2020) : 47–55. http://dx.doi.org/10.3897/italianbotanist.10.60743.

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In this contribution, new data concerning the distribution of native vascular flora in Italy are presented. It includes new records, confirmations, exclusions, and status changes to the Italian administrative regions for taxa in the genera Artemisia, Chaetonychia, Cirsium, Cynanchum, Genista, Hieracium, Iberis, Melica, Misopates, Myosotis, Thalictrum, Trifolium, Utricularia, Veronica, and Vicia. Nomenclatural and distribution updates, published elsewhere, and corrigenda are provided as supplementary material.
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ÇİL, Elif, Sevda TÜRKİŞ, Melek ÇOL AYVAZ et Ceren BÖRÇEK KASURKA. « MELICA UNIFLORA YAPRAKLARININ ETANOLİK ÖZÜTLERİNİN IN VITRO BİYOLOJİK AKTİVİTESİNİN DEĞERLENDİRİLMESİ ». Eskişehir Teknik Üniversitesi Bilim ve Teknoloji Dergisi - C Yaşam Bilimleri Ve Biyoteknoloji 10, no 1 (25 janvier 2021) : 1–10. http://dx.doi.org/10.18036/estubtdc.587101.

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Hempel, W. « Melica canariensis Hempel sp. nov., eine neue Art der Kanarenflora ». Feddes Repertorium 75, no 1 (18 avril 2008) : 109–13. http://dx.doi.org/10.1002/fedr.19670750108.

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Cáceres, Natalia, Lelia Imhof, Mario Suárez, Emmanuel Hick et Leonardo Galetto. « Evaluating Native germplasm for extensive green roof systems for semiarid regions ». Ornamental Horticulture 24, no 4 (5 décembre 2018) : 466–76. http://dx.doi.org/10.14295/oh.v24i4.1225.

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Extensive green roofs (EGR) spaces constitute harsh and stressful growing environments, and consequently a limited range of plants species that can be routinely used there. The habitat template hypothesis suggests that EGR can be analogous as natural environments, what makes native plants as an alternative for these conditions. This paper aimed to assess the potential use of 15 native plants from Córdoba Province (Argentina) for green roofs, based on cover ability, survived rates and health status observations during a period of 414 days. Sedum acre L. was used as the control. Glandularia x hybrid, Phyla nodiflora (L.) Greene, Melica macra Nees, Eustachys retusa (Lag.) Kunth and Grindelia cabrerae Ariza kept up a 60% of coverage during all the period of study. The first two species had an outperformed green coverage (at 72th day; 95% and 98% respectively) in relation to the control species (Sedum acre; 87%). Eustachys retusa and Grindelia cabrerae grew progressively and kept their coverage constant proximally to 65%. Sedum acre, Grindelia cabrerae, Hysterionica jasionoides Willd, Melica macra, Phyla nodiflora, stood out in plant survival rates; but S. acre suffered changes in health status throughout the evaluation period, especially with low temperatures or at high humidity conditions. It is necessary to underline the reseeding potential of Eustachys retusa, a process that could guarantee perpetuation of the species on EGR.
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Majtkowski, Włodzimierz, Maciej Balcerek et Gabriela Majtkowska. « Porównanie zawartości związków fenolowych i aktywności antyoksydacyjnej u wybranych gatunków traw z kolekcji Ogrodu Botanicznego KCRZG w Bydgoszczy ». Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin, no 280 (30 décembre 2016) : 79–86. http://dx.doi.org/10.37317/biul-2016-0008.

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W pracy przedstawiono wyniki zawartości związków fenolowych oraz aktywności przeciwutleniającej w wybranych gatunkach traw, zgromadzonych w Narodowej Kolekcji Traw, zlokalizowanej w Ogrodzie Botanicznym Krajowego Centrum Roślinnych Zasobów Genowych, Instytutu Hodowli i Aklimatyzacji Roślin — PIB w Bydgoszczy. Badania prowadzono w ramach współpracy z Katedrą i Zakładem Farmakognozji Collegium Medicum im. L. Rydygiera w Bydgoszczy, Uniwersytetu Mikołaja Kopernika w Toruniu. Do badań, prowadzonych w latach 2008–2015, wybrano nadziemne części 15 gatunków traw: Andropogon distachyos L., A. gerardi Vitm., A. hallii Hack., A. saccharoides Sw., A. scoparius Michx., Dichanthium caucasicum (Trin.) S.K. Jain & U.R. Deshp., Hierochloë odorata (L.) P. Beauv., H. repens (Host) Simonkai, Melica ciliata L., M. persica Kunth, M. transsilvanica Schur, Miscanthus giganteus J.M. Greef & M. Deuter, M. sacchariflorus (Maxim.) Hack., M. sinensis (Thunb.) Anderss., Spodiopogon sibiricus Trin. Dla 3 gatunków z rodzaju Miscanthus badania wykonano także dla części podziemnych. Przeprowadzona analiza obejmowała spektrofotometryczne oznaczenie zawartości fenoli farmakopealną metodą z zastosowaniem odczynnika Folin-Ciocalteau (FP VI) oraz określenie aktywności przeciw¬utleniających metanolowych wyciągów z wykorzystaniem roztworu rodnika DPPH•. Najwyższą zawartością związków fenolowych, w przeliczeniu na pirogalol, charakteryzował się wyciąg z Spodiopogon sibiricus — 2,74%, a najniższą odnotowano w wyciągu z Hierochloë repens — 0,72%. Najwyższą aktywność przeciwutleniającą wykazywał wyciąg z rizomów Miscanthus giganteus (81,76%), a najniższą zdolność do zmiatania wolnych rodników stwierdzono w wyciągu z Melica persica (12,66%).
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Eugeniy A., Bondarevich. « High Contents of Glutelins in Seeds of Relic Melica Turczaninowiana (Poaceae) ». Journal of Siberian Federal University. Biology 3, no 4 (décembre 2010) : 384–90. http://dx.doi.org/10.17516/1997-1389-0191.

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Perreta, Mariel G., et Abelardo C. Vegetti. « Structure and development of the branching system in Melica macra (Poaceae) ». Flora - Morphology, Distribution, Functional Ecology of Plants 199, no 1 (janvier 2004) : 36–41. http://dx.doi.org/10.1078/0367-2530-00126.

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Tyler, G. « Soil Solution Chemistry Controlling the Field Distribution of Melica ciliata L. » Annals of Botany 71, no 4 (avril 1993) : 295–301. http://dx.doi.org/10.1006/anbo.1993.1038.

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ГЛАЗКОВА, Е. А. « О НЕКОТОРЫХ РЕДКИХ ВИДАХ СОСУДИСТЫХ РАСТЕНИЙ С ОСТРОВОВ ВЫБОРГСКОГО ЗАЛИВА (ЛЕНИНГРАДСКАЯ ОБЛАСТЬ), "БОТАНИЧЕСКИЙ ЖУРНАЛ" ». Ботанический журнал, no 4 (2012) : 512–23. http://dx.doi.org/10.1134/s1234567812040076.

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Приведены сведения о наиболее интересных находках сосудистых растений, обнаруженных автором на островах Выборгского залива в 2005-2009 и 2011 гг. Все 29 приведенных видов являются редкими для Северо-Запада европейской части России, из них 20 видов подлежат охране на территории Ленинградской обл. Крупка седоватая (Draba incana L.), ранее считавшаяся исчезнувшей в регионе, обнаружена на многих островах Выборгского залива. Для ряда видов (Melica picta K. Koch, Draba incana и др.) уточнены сведения, касающиеся их экологической приуроченности. Многие виды впервые указываются для островов Выборгского залива.
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Hempel, Werner. « (1637) Proposal to conserve the name Melica transsilvanica against M . caricina ( Poaceae ) ». TAXON 53, no 3 (août 2004) : 836. http://dx.doi.org/10.2307/4135463.

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Qing-Hua, SONG, ZHAO Cheng-Zhang, SHI Yuan-Chun, DU Jing, WANG Ji-Wei et and CHEN Jing. « Fractal root system of Melica przewalskyi along different aspect in degraded grassland ». Chinese Journal of Plant Ecology 39, no 8 (2015) : 816–24. http://dx.doi.org/10.17521/cjpe.2015.0078.

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Krupko, St. « Megasporogenesis and the development of the embryo sac in Melica uniflora Retz. » Acta Societatis Botanicorum Poloniae 36, no 3 (2015) : 483–93. http://dx.doi.org/10.5586/asbp.1967.046.

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MEJIA-SAULES, TERESA, et FRANK A. BISBY. « Silica bodies and hooked papillae in lemmas of Melica species (Gramineae : Pooideae) ». Botanical Journal of the Linnean Society 141, no 4 (28 mars 2003) : 447–63. http://dx.doi.org/10.1046/j.1095-8339.2003.00152.x.

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Hempel, W. « Die Verwandtschaft der Gattungen Molinia Schrank, Moliniopsis Hayata und Schizachne Hack. mit dem Formenkreis Melica L. Subgen. Bulbimelica Hempel (Vorarbeiten zu einer Revision der Gattung Melica L. - II) ». Feddes Repertorium 81, no 10 (18 avril 2008) : 687–712. http://dx.doi.org/10.1002/fedr.19710811003.

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Zainullina, K. S., et Zh E. Mikhovich. « The Poaceae family species in the collection of the Botanical Garden of the Institute of Biology, Komi Science Centre, Ural Branch, RAS ». Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences 1 (2021) : 5–14. http://dx.doi.org/10.19110/1994-5655-2021-1-5-14.

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The paper presents the results of a long-term study (2010–2019) of the ecological and bio¬logical characteristics of the collection of species of the Poaceae family, which at the end of 2019 included 32 species (45 samples) belonging to 16 genera. The genus Festuca L. is represented by the largest number of species – 10, the genus Bromopsis Four. contains 4 species, three genera – Elymus L., Phleum L. and Poa L. – two spe¬cies each. The remaining 12 genera are repre¬sented in the collection by only one species. Arrhenatherum L., Alopecurus L., Beckmannia Host., Briza L., Calamagrostis Adams., Dactylis L., Deschampsia Beaw, Hordeum L., Leymus L., Melica L., Miscanthus Anderss, Phaloroides Wolf. All species of the collection fund are di¬vided into three groups according to the rate of their development: 16 species are classified as early plants, their vegetation period is 60–75 days; medium-sized plant group (76 – 92 days) includes 9 species; late plant group (more than 95 days) – 7 species. Long-term research on a complex of economically significant features made it possible to identify promising cereal plants (12 species) that can be used as ornamen¬tal plants for landscaping in the northern re¬gion. It is shown that among the selected prom¬ising species there are representatives of all three groups of cereal plants, distinguished by the rate of development. Thus, the group of plants of early development includes 5 promis ing species: Festuca rubra, F. pratensis, Briza media, Deshampsia cespitosa, Melica nutans. Cereals belonging to the second group are Festuca ovina, F. pseudodalmatica, Elymus sibi-ricus, Dactylis glomerata, Bromopsis tyttholepis. The group of late-growth cereals includes Beck-mannia eruciformis and Phleum pratensis. Brief data are given for each promising species: morphological description, ecological relevance, geographical distribution, timing of phenological phases, reproductive ability, possibilities of decorative use.
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Ebel, Alexandr L., Tatyana V. Ebel, Elena Yu Zykova et Svetlana I. Mikhailova. « Floristic findings in the Western Siberia and the Southern Ural ». Turczaninowia 25, no 3 (30 septembre 2022) : 207–16. http://dx.doi.org/10.14258/turczaninowia.25.3.19.

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The article contains new information about the locations of rare and spreading species of flowering plants in Western Siberia and Southern Ural (Kurgan Region, Chelyabinsk Region, Tomsk Region, and Republic of Altai). Among them, four species (Bidens frondosa L., Lappula intermedia (Ledeb.) Popov, Melica altissima L., Verbascum lychnitis L.) are reported as new for the Tomsk Region, three species (Aquilegia vulgaris L., Dianthus barbatus L., Lepidium sativumL.) are new for Republic of Altai, two species (Hibiscus trionum L., Solanum physalifolium Rusby) are new for the Chelyabinsk Region. For seven more species (Achillea ptarmica L., Chaenorhinum minus (L.) Lange, Chenopodium acerifolium Andrz., Cyclachaena xanthiifolia (Nutt.) Fresen., Impatiens parviflora DC., Najas major All., Oberna cserei(Baumg.) Ikonn.) new locations are cited.
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Jing-Jing, DANG, ZHAO Cheng-Zhang, LI Yu, HOU Zhao-Jiang et and DONG Xiao-Gang. « Variations with slope in stem and leaf traits of Melica przewalskyi in alpine grassland ». Chinese Journal of Plant Ecology 38, no 12 (2014) : 1307–14. http://dx.doi.org/10.3724/sp.j.1258.2014.00125.

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Hempel, Werner. « Revision und Phylogenie der Arten der Gattung Melica L. (Poaceae) in Eurasien und Nordafrika ». Feddes Repertorium 122, no 1-2 (mars 2011) : 1–253. http://dx.doi.org/10.1002/fedr.201100029.

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Szczepaniak, Magdalena, et Elżbieta Cieślak. « Low level of genetic variation within Melica transsilvanica populations from the Kraków-Częstochowa Upland and the Pieniny Mts revealed by AFLPs analysis ». Acta Societatis Botanicorum Poloniae 76, no 4 (2011) : 321–31. http://dx.doi.org/10.5586/asbp.2007.036.

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Fragmented distribution, the breeding system and effects of genetic drift in small-size populations occurring at edge of the species range play an important role in shaping genetic diversity of such a species. <em>Melica transsilvanica</em> is a plant rare in the flora of Poland, where it reaches the northern limit of its continuous range. Amplified Fragment Length Polymorphism (AFLP) DNA profiling method was applied to measure genetic diversity among and within populations of <em>M. transsilvanica</em>. Additionally, genetic relationships between M. transsilvanica and Melica ciliata, two closely related species, were explored. A total of 68 plants from 7 populations of <em>M. transsilvanica</em> and 24 plants from 2 populations of <em>M. ciliata</em>, collected in Poland and outside it, were analyzed. Using 294 AFLP fragments from 3 primer combinations, accessions were grouped into two major clusters associating with <em>M. ciliata</em> and <em>M. transsilvanica</em>, respectively. Further, two subclusters, corresponding to the samples collected from the Pieniny Mts and from the Kraków - Częstochowa Upland were clearly distinguished within the <em>M. transsilvanica</em> group. The hierarchical AMOVA exhibited significant genetic distinction between these geographic regions (60.89%, p &lt; 0.001). The obtained results showed that the most genetic diversity resided between the populations of <em>M. transsilvanica</em> (86.03%) while considerably lower genetic variation was found within the populations (13.97%), which is consistent with the results reported for self-plants. The low level of AFLP genetic variation of <em>M. transsilvanica</em> can be caused by the geographic isolation of populations, which preserves the dominant self-mating breeding system of the species. Individual populations of <em>M. transsilvanica</em> are characterized by isolated gene pools differing by a small number of loci.
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Abbasi, Mehrdad, et Mary Catherine Aime. « Two new Puccinia species on Melica (Poaceae) from USA ». Mycotaxon 131, no 1 (29 avril 2016) : 247–53. http://dx.doi.org/10.5248/131.247.

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Claude, Calame. « Il soggetto che si dice nella poesia melica greca. Finzione enunciatva, immagini poetiche e pragmatica ». PARADIGMI, no 3 (novembre 2009) : 85–99. http://dx.doi.org/10.3280/para2009-003007.

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- Poetic images and Pragmatics Starting from Benveniste's analyses of historical enunciation, the nature of pronouns and the subjectivity of language, this essay focuses on that the kind of subjectivity implied in much Greek lyric poetry, especially in Pindar. By means of discursive tools, the narration builds an exclusively verbal image of the "I", which comes before any reference to elements external to the text. In this way, the "I" stands for an enunciative, pragmatic and polyphonic subject: it is, indeed, the actor (singer, tragic actor, choral group) of a ritualized situation. This performative identity is different from the author of the written text. In Greek poetry, the written text is above all a speech-act, mostly a song-act. This raises the problem of the difference - and of the relation - between the author's biographic subjectivity and the identity created by the linguistic devices in the text. Using different images: chariots, ceremonial processions, Calame's analysis focuses on the metaphorical identification between poetic song and journey.Key words: Enunciation, Image, Metaphor, Poetry, Pragmatics, Subjectivity.Parole chiave: Enunciazione, Immagine, Metafora, Poesia, Pragmatica, Soggettivitŕ. Vedere come.
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Gao, Fu-Yuan, Fu-Xi Shi, Hui-Min Chen, Xin-Hou Zhang, Xue-Yang Yu, Qian Cui et Cheng-Zhang Zhao. « Rapid Expansion of Melica przewalskyi Causes Soil Moisture Deficit and Vegetation Degradation in Subalpine Meadows ». CLEAN - Soil, Air, Water 46, no 1 (20 décembre 2017) : 1700587. http://dx.doi.org/10.1002/clen.201700587.

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Bondarevich, E. A., et O. A. Popova. « Features of phytocoenoses involving the Melica virgata Turcz. ex Trin. (Poaceae) of East Transbaikalia in comparison with the neighboring territories ». Turczaninowia 17, no 4 (2014) : 97–109. http://dx.doi.org/10.14258/turczaninowia.17.4.16.

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Qing-Hua, SONG, ZHAO Cheng-Zhang, SHI Yuan-Chun, DU Jing, WANG Ji-Wei et CHEN Jing. « Trade-off between root forks and link length of Melica przewalskyi on different aspects of slopes ». Chinese Journal of Plant Ecology 39, no 6 (2015) : 577–85. http://dx.doi.org/10.17521/cjpe.2015.0055.

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Kumari, Kamlesh, et Manjit Inder Singh Saggoo. « Male Meiosis in Two Morphotypes of Melica persica Kunth (Poaceae) from Himachal Pradesh, India ». CYTOLOGIA 81, no 4 (2016) : 403–8. http://dx.doi.org/10.1508/cytologia.81.403.

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Michal, Hrib, Podrázský Vilém, Matějka Karel et Viewegh Jiří. « Effect of black walnut (Juglans nigra) on the understorey vegetation – a case study of South Moravian forests (Czech Republic) ». Journal of Forest Science 63, No. 3 (28 mars 2017) : 136–48. http://dx.doi.org/10.17221/68/2016-jfs.

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The article analyses the influence of black walnut on forest phytocoenosis in South Moravian forests and assesses how its representation may affect the understorey vegetation of the forest ecosystems. In July 2014, 31 relevés were processed in the South Moravian forests. These were stands of pure black walnut (Juglans nigra) as well as black walnut with small-leaved lime (Tilia cordata), along with neighbouring autochthonous stands (pure ash – European and narrow-leaved), oak (summer oak), or their mixtures. Ellenberg’s indicator values reveal differences in the plant communities under black walnut comparing those under native tree species for the variables nitrogen, soil reaction and temperature. In addition, total cover is significantly higher under walnut. Other differences are visible from the detrended correspondence analysis ordination. The study also confirmed that in the stands of black walnut the preference of some species is suppressed, for example Brachypodium sylvaticum and Poa nemoralis in alluvial forests and Melica uniflora in hilly forests.
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GUGLYA, YULIIA. « Rearing mining flies (Diptera : Agromyzidae) from host plants as an instrument for associating females with males, with the description of seven new species ». Zootaxa 5014, no 1 (3 août 2021) : 1–158. http://dx.doi.org/10.11646/zootaxa.5014.1.1.

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Rearing data for 12 species of the subfamily Agromyzinae and 57 species of Phytomyzinae is presented in detail from material collected during the last 11 years, mainly in Ukraine. Figures of cephalopharyngeal skeletons, heads, female terminalia, male terminalia (where necessary) and photos of host plants with mines and posterior spiracles of puparia are provided. Seven new species are described from specimens reared from Monocotyledons (Carex) and Dicotyledons (Achillea, Stachys, Tropaeolum, Torilis): Melanagromyza achilleacaulis spec. nov., Ophiomyia foliaphila spec. nov., Amauromyza (Amauromyza) stachysi spec. nov., Cerodontha (Butomomyza) gibbifera spec. nov., C. (B.) hreblensis spec. nov., Liriomyza tropaeoli spec. nov., Phytomyza torilisi spec. nov. New host plants were revealed for Agromyza albipennis, A. hendeli, Ophiomyia versera, Amauromyza carlinae, A. leonuri, Cerodontha (Poemyza) lateralis, C. (P.) melica, C. (P.) spencerae, Chromatomyia horticola, Liriomyza heringi, L. hieracii, L. pusilla, L. tragopogonis, Phytomyza hellebori, P. medicaginis, P. obscura and P. origani. Forty-seven species are newly recorded for Ukraine.
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Fusani, Leonida, et Manfred Gahr. « Differential Expression of Melatonin Receptor Subtypes MelIa, MelIb and MelIc in Relation to Melatonin Binding in the Male Songbird Brain ». Brain, Behavior and Evolution 85, no 1 (22 novembre 2014) : 4–14. http://dx.doi.org/10.1159/000367984.

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Previous autoradiography studies illustrated that several areas of the avian brain can bind the pineal hormone melatonin. In birds, there are three melatonin receptor (MelR) subtypes: MelIa, MelIb and MelIc. To date, their brain distribution has not been studied in any passerine bird. Therefore, we investigated mRNA distribution of MelR subtypes in adjacent sections of the brain of two songbirds, the blackcap and the zebra finch, in parallel with that of 2-[125I]-iodomelatonin (IMEL) binding sites in the same brains. The general pattern of receptor expression shown by in situ hybridization of species-specific probes matched well with that of IMEL binding. However, the expression of the three subtypes was area specific with similar patterns in the two species. Some brain areas expressed only one receptor subtype, most brain regions co-expressed either MelIa with MelIb or MelIa with MelIc, whereas few areas expressed MelIb and MelIc or all three receptor subtypes. Since many sensory areas, most thalamic areas and subareas of the neopallium, a cortex analogue, express MelR, it is likely that most sensory motor integration functions are melatonin sensitive. Further, the area-specific expression patterns suggest that the regulatory role of melatonin differs among different brain areas. Since subareas of well-defined neural circuits, such as the visual system or the song control system, are equipped with different receptor types, we hypothesize a diversity of functions for melatonin in the control of sensory integration and behavior.
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Plyaskina, Irina Nikolaevna, Evgeniy Aleksandrovich Bondarevich, Nataliya Petrovna Larina et Nataliya Sergeevna Chistyakova. « Features of <i>Melica virgata</i> ; (Poaceae) seed germination in natural drought stress ». Samara Journal of Science 10, no 4 (1 décembre 2021) : 93–98. http://dx.doi.org/10.17816/snv2021104114.

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The paper studies mechanisms of adaptation of the rare species Melica virgata Turcz. ex Trin for Eastern Transbaikalia to drought at the initial stages of ontogenesis. The species is listed in the Red Data Book of Trans-Baikal Territory and has the first conservation status category (Endangered). M. virgata occurs in special phytocenoses on the territory of Eastern Transbaikalia, being in such microclimatic conditions that correspond to its xeromesophytic nature. This cereal is characterized by seed reproduction. Researches of seed germination in conditions of physiological drought, caused by the presence of osmotic, have shown the ability of M. virgata seeds to germinate in a wide range of moisture availability, but growth processes with an increase in osmotic pressure are strongly suppressed. The ability to germinate in conditions of physiological drought may be associated with the exchange of free amino acids. The seeds of cereals were dominated by acidic amino acids and their amides, which are substrates for the formation of other amino acids, nucleotides, as well as after deamination reactions, carbohydrates and lipid components. The intensity of accumulation of free amino acids in water deficit can vary due to the use of these amino acids for the synthesis of substances with osmoregulatory properties. The rapid transition to growth processes in this cereal may be associated with the mobilization of prolamins and glutelins on the first day of germination.
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45

Jing-Jing, DANG, ZHAO Cheng-Zhang, LI Yu, HOU Zhao-Jiang et and DONG Xiao-Gang. « Relationship between leaf traits of Melica przewalskyi and slope aspects in alpine grassland of Qilian Mountains, China ». Chinese Journal of Plant Ecology 39, no 1 (2015) : 23–31. http://dx.doi.org/10.17521/cjpe.2015.0003.

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46

Sheidai, Masoud, et Khaled Moghaddam. « Cytogenetic Studies in Some Species of Melica L. and Milium L. in Iran ». CYTOLOGIA 74, no 2 (2009) : 185–93. http://dx.doi.org/10.1508/cytologia.74.185.

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Połumackanycz, Milena, Marek Wesołowski et Agnieszka Viapiana. « Health benefits of lemon balm (Melissa officinalis L.) ». Farmacja Polska 75, no 12 (20 janvier 2020) : 659–63. http://dx.doi.org/10.32383/farmpol/116671.

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ЕГОРОВА, Н. Н., А. П. СЛЕПЦОВА et М. И. ЕФИМОВА. « An overview of the Poaceae Branh. family in the Herbarium collection of the North-Eastern Federal University ». Vestnik of North-Eastern Federal University, no 3(83) (7 juillet 2021) : 5–14. http://dx.doi.org/10.25587/svfu.2021.83.3.010.

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Аннотация. В работе представлен систематический обзор семейства Poaceae Branh. в коллекции гербария Северо-Восточного федерального университета (СВФУ). Всего в научном фондегербария насчитывается 682 образца из семейства Poaceae. Представлены сборы с 1953 г.Наибольшее количество сборов приходится на 1955–1980 гг. Основными коллекторами являютсяС. З. Скрябин, А. А. Пермякова, Ю. В. Рыкова, Т. Ф. Галактионова, В. И. Перфильева, В. М. Усанова. В коллекции гербария СВФУ представлено 123 вида из 36 родов семейства Poaceae, из которых 6 видов относятся к редким и эндемичным видам: Koeleria sckrjabinii Karav. et Tzvel., Elytrigia villosa (Drob.) Tzvel., Festuca pseudosulcata Drob., Helictotrichon krylovii (Pavl.) Henrard, Hyalopoa lanatiflora (Roshev.) Tzvel., Melica nutans L. Проведены инвентаризация, систематизация,оцифровка многолетнего материала для создания электронной базы данных цифрового гербария СВФУ. Также для цифрового гербария подготовлены морфологические описания, информация об особенностях экологии и распространении видов, перечень научных трудов исследователей по изучению их биоморфологии, онтогенеза и структуры ценопопуляций в Республике Саха (Якутия). Подготовлены авторские фотографии растений в природе, фотографии таксономическизначимых морфологических признаков видов. Цифровой гербарий СВФУ обеспечит свободный и быстрый доступ к коллекции растений не только для студентов и сотрудников университета,но и для всех желающих ознакомиться с хранящимися гербарными образцами. В дальнейшем планируется заполнение базы данных по всем сборам научного гербария.
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Mangiafico, Salvatore S., Donald J. Merhaut, Julie Newman, Harold Ewing et Ben Faber. « Nutrient Runoff Uptake Potential and Growth for Three U.S. Native Grasses and Tall Fescue ». Journal of Environmental Horticulture 30, no 3 (1 septembre 2012) : 125–31. http://dx.doi.org/10.24266/0738-2898.30.3.125.

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Little research has been conducted into the growth and nutrient uptake potential of native grasses for use in vegetated buffers, grassed waterways, and cover crops for the mitigation of agricultural and horticultural runoff. A greenhouse experiment was conducted with three U.S. native grasses: Leymus triticoides, Melica imperfecta, Vulpia microstachys, and turf-type tall fescue, Lolium arundinaceum. Treatments were the rate of nitrogen application, with 0, 460, 920, or 1380 kg·ha−1 applied per twelve-week experimental period. Shoot and root material was collected, dried, and analyzed for N and P. Grass quality measurements included visual shoot density and visual root density. Species differences were found for the uptake of water, nitrogen (N), and phosphorus (P), as well as for plant quality measurements such as shoot and root density. Across species, as N application rate increased, apparent N recovery decreased, suggesting that these grasses will exhibit a decreased efficiency in scavenging N when N concentrations in applied runoff are higher. Among native grasses, L. triticoides exhibited some advantages over the others which may make it valuable in remediation applications, including high shoot and root density, rapid vertical growth, and high water, N, and P uptake.
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Kuklová, Margita, Helena Hniličková, František Hnilička, Ivica Pivková et Ján Kukla. « Impact of expressway on physiology of plants and accumulation of risk elements in forest ecosystems ». Plant, Soil and Environment 65, No. 1 (18 janvier 2019) : 46–53. http://dx.doi.org/10.17221/585/2018-pse.

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This study analyses the effects of expressways on physiology and risk elements content in plants (Quercus cerris L., Prunus spinosa L., Melica uniflora Retz.) and soils. Study forest stands are located at a distance of 30 m to 8100 m from the expressway ‘R1 Nitra – Tekovské Nemce’ (southwest Slovakia). The effect of distance from the road on the content of cadmium (Cd) in soils indicated an increase of the element in mineral layers in the 30 m variant; excessive Cd values were recorded in O-horizons and in the background zone. Also copper (Cu) showed a marked enrichment of surface horizons caused by car traffic. The results of redundancy discriminant analysis showed that the most important environmental variables related to physiological parameters of plants were the content of Cd and Cu in plants (P &lt; 0.05) and the content of Cu in soils (P &lt; 0.05). However, M. uniflora species responded most sensitively to a decrease of average chlorophyl content as a consequence of excessive accumulation of Cd in leaf tissues. The obtained results indicate risk of exposure to risk elements in soils and plants of forest stands under conditions of polluted air, but also under specific environmental conditions.
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