Results 11 to 20 of about 8,846 (287)

The influence of long term trends in pollutant emissions on deposition of sulphur and nitrogen and exceedance of critical loads in the United Kingdom [PDF]

open access: yes, 2009
In the United Kingdom, as with other European countries, land-based emissions of NOX and SO2 have fallen significantly over the last few decades. SO2 emissions fell from a peak of 3185 Gg S in 1970 to 344 Gg S in 2005 and are forecast by business-as ...
Blas, Marek   +7 more
core   +2 more sources

In search of genetic diversity in Rosa foetida Hermann in Iran [PDF]

open access: yes, 2009
Rosa foetida is a dense, erect shrub with bright yellow or scarlet flowers with a yellowish reverse petal. It is most abundant in South West Asia. In Iran R. foetida occurs mainly in the mountainous North and West regions.
Bushehri, A.A.   +6 more
core   +2 more sources

Rooting and growth of root cuttings of two old rose cultivars ‘Harison’s Yellow’ and ‘Poppius’ treated with IBA and biostimulants

open access: yesActa Agrobotanica, 2019
Propagation by root cuttings is an easy and low-cost method for plant taxa with an ability to produce rhizomes or suckers. This research examined the possibility of using root/rhizome cuttings in the propagation of two difficult-to-root old rose ...
Marta Joanna Monder
doaj   +1 more source

A preliminary survey and taxonomy of wild roses (Rosa Spp.) occurring on the Maltese Islands [PDF]

open access: yes, 2017
Rosa spp. are neglected and understudied for the Maltese flora, where only three species have been reported. R. sempervirens L. is the only native rose established in at least 12 locations in Malta. R. gallica L. s. l. (including hybrids) and R. canina L.
Mifsud, Stephen
core   +1 more source

Evaluation of growth and flowering of historical cultivars of Rosa gallica L. growing in the National Collection of Rose Cultivars in the Polish Academy Of Science Botanical Garden in Powsin

open access: yesActa Agrobotanica, 2014
Rosa gallica is a native species under strict protection and its cultivars are practically unknown in Poland. The aim of the observations was to evaluate the possibilities of growing the studied cultivars in the climate of Central Poland.
Marta J. Monder
doaj   +1 more source

Plant community dynamics following non‐native shrub removal depend on invasion intensity and forest site characteristics

open access: yesEcosphere, 2023
Globally, temperate deciduous forests are threatened by invasion of non‐native (exotic) plant species. In the eastern United States, Rosa multiflora is a dominant shrub invader in forests, which often forms dense thickets that reduce sunlight ...
Eric Moore   +2 more
doaj   +1 more source

Composition and structure of regrowth forests on abandoned agricultural land

open access: yesJournal of Forest Science, 2020
Overgrowing of agricultural land by forest in Russia is a large-scale process. This study aims to examine the composition and structure of forests that took over abandoned agricultural lands in Belorechensky district, Krasnodar Krai (Russia).
Irina N. Volkova   +2 more
doaj   +1 more source

Morphological and biochemical diversity in Rosa species

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2022
The Rosa L. is one of the widely grown plants in the world and its flowers and fruits has been used in different parts of the world for centuries. Wild grown Rosa plants is one of the most important element of the natural landscape and used as rootstock
Sadiye Peral Eyduran   +3 more
doaj   +1 more source

Variability in Hip Characters in Rosa Species

open access: yesJournal of Horticultural Sciences, 2008
The reddish 'fruit' of rose is commonly known as its hip. Rose hips are formed when the tip of a rose stem swells up after a flower has faded. Species roses, shrub roses, ramblers and other roses that are "close to nature" (R. gallica, R.
T Janakiram, Thomas Debner
doaj   +1 more source

Evaluation of growth and flowering of cultivars derived from the rugosa (Rosa rugosa Thunb.) growing in the national collection of rose cultivars in the Polish Academy of Sciences Botanical Garden in Powsin. Part I. The historical cultivars

open access: yesActa Agrobotanica, 2012
In the years 2000-2011, observations were made of shrubs of the cultivars derived from the Rugosa (R. rugosa Thunb.) gathered in the Collection of Rose Cultivars of the Polish Academy of Sciences (PAS) Botanical Garden – Center for Biological Diversity ...
Marta J. Monder
doaj   +1 more source

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