We present PADAPT 1.0, the Pannonian Database of Plant Traits which relies on regional data sources and integrates existing data and new measurements on a wide range of traits and attributes of the plant species of the Pannonian Biogeographical Region and makes it freely accessible at www.padapt.eu. The current version covers the species of the region occurring in Hungary (cc. 90% of the region's flora) and consists of 126,337 records on 2745 taxa. There are 53 plant attributes in PADAPT 1.0 organised in six major groups: (i) Habitus and strategy, (ii) Reproduction, (iii) Kariology, (iv) Distribution and conservation, (v) Ecological indicator values, and (vi) Leaf traits. By including species of the eastern part of Europe not covered by other databases, PADAPT can facilitate studying the flora and vegetation of the eastern part of the continent. Data collection will continue in the future and the PADAPT team welcomes researchers interested in contributing with data. The main task before an updated version of the database is to include species of the Pannonian region not covered by the current version. In conclusion, although data coverage is far from complete, PADAPT meets the longstanding need for a regional database of the Pannonian flora.
As part of the PADAPT project, the authors compiled the invasion biological database of the alien vascular flora of Hungary, which contains the nativeness, residence time, introduc- tion mode and invasion status of 878 alien or cryptogenic taxa. In the absence of adequate evidence, the classification of some species was only possible into uncertain, transitional cat- egories. The definitions of most categories are compatible with several international termi- nologies, but are primarily based on Central European traditions. Of the 560 taxa that have already been naturalised in Hungary, 85 are invasive, and 22 of them are transformer alien vascular plants. Only 5 of these transformers are included in the European list of Invasive Alien Species of Union concern (Ailanthus altissima, Asclepias syriaca, Elodea nuttallii, Heracleum mantegazzianum and H. sosnowskyi), which require uniform preventive interventions and treatments throughout the continent, while the rest of transformers in Hungary (e.g., Robinia pseudoacacia, Fallopia × bohemica and Solidago gigantea) draw attention to the unique, local and/ or regional invasion biological situation of the Pannonian Basin and Central Europe.
A szabadföldi kisparcellás nehézfém terhelési tartamkísérlet beállítására 1994 őszén a Károly Róbert Főiskola Tass-pusztai Tangazdaságában (ma Magyar Agrár- és Élettudományi Egyetem, Károly Róbert Campus) került sor csernozjom barna erdőtajon. A növényi cink- és rézfelvétel vizsgálata 1996, 2001, 2002 években történt, ekkor a növények és a talaj Cu- és Zn-tartalma is meghatározásra került. A vizsgált években a jelzőnövény a kukorica (Zea mays L.), az őszi árpa (Hordeum vulgare L.), a fehér mustár (Sinapis alba L.) és a lucerna (Medicago sativa L.) volt. A növények Cu és Zn felvételét a talaj-növény transzfer koefficiensek meghatározásával értékeltük. A vizsgált nehézfémek talaj-növény transzfer koefficiensének ismeretében lehetőség van annak vizsgálatára is, hogy az „oldható” (NH4-acetát+EDTA) elemtartalom mennyiben felel meg a tényleges növényi elemfelvételnek. Ehhez meghatároztuk az egyes nehézfémek megoszlási arányának értékeit a talaj „oldható” és „összes” (cc.HNO3+cc.H2O2) elemtartalmának hányadosaként. A talaj-növény transzfer koefficiensek értékei alapján a cink mobilisabbnak mutatkozott a réznél. A cink megoszlási aránya a transzfer koefficiens értékének átlagosan 1/5-e volt. Ez azt mutatja, hogy cinkből a talajnak vannak olyan, a növények számára felvehető tartalékai, amelyek Lakanen-Erviö (1971) módszerérel nem mutathatók ki. A réz esetén a megoszlási arány és a talaj-növény transzfer koefficiens értéke nem mutatott jelentős eltérést.
Our study aimed at to test the effects of two different plant conditioners on some morphological parameters, yield and grain quality of winter wheat (Babona) in a field experiment with medium plots, and to investigate some physiological parameters closely related to yield quantity and quality at the beginning of ear emergence by in vivo field measurements. At the beginning of ear emergence we determined the relative chlorophyll content of leaves (SPAD value), moreover leaf reflectance was measured with a portable spectroradiometer to produce spectral vegetation indices that can be used to evaluate the effects of treatments on chlorophyll, carotenoid, anthocyanin and water content of leaves, and to infer photochemical efficiency and stress sensitivity. The results were strongly influenced by the unfavourable rainfall distribution during the growing season. Precipitation deficit in spring significantly reduced the development of the crop stand (yield was below the national and county levels), and its effect was also observable in quality parameters (low raw protein and gluten content), but the positive effect of treatment 1 was detectable: higher yield and quality, higher plant height and ear length compared to the control. At the beginning of ear emergence, some spectral vegetation indices indicated the positive effect of treatment 1 despite the drought: chlorophyll content and photochemical activity of leaves were higher, and higher stress sensitivity and protective pigment concentration in the control.
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