Letteratura scientifica selezionata sul tema "Salsola australis"

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Articoli di riviste sul tema "Salsola australis"

1

MOSYAKIN, SERGEI L. "Salsola strobilifera (Chenopodiaceae), a new combination for a remarkable Australian taxon". Phytotaxa 409, n. 5 (15 luglio 2019): 283–90. http://dx.doi.org/10.11646/phytotaxa.409.5.4.

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Abstract (sommario):
The new combination Salsola strobilifera is proposed for the morphologically remarkable Australian taxon originally described by Bentham as S. kali var. strobilifera (basionym). The latter name is lectotypified on a specimen from K (barcode K000899590) that was collected in New South Wales by Beckler during the Burke and Wills Victoria Exploring Expedition of 1860–1861, and was studied by Bentham for his Flora Australiensis. Earlier taxonomic treatments and other studies of “strobiliferous” native Australian plants (having short ovoid to almost globular strobile-like terminal inflorescences which are easily broken off at maturity) are briefly discussed and summarized. Judging from available morphological and partly molecular evidence, there are at least two “strobiliferous” morphotypes in Australia, one probably more closely related to S. australis sensu stricto and another more similar to S. sabrinae (= S. tragus subsp. grandiflora). It is concluded that Salsola sensu stricto is represented in Australia and adjacent islands by several (four or five, probably more) rather distinct native taxa that should be better recognized as separate species. On the basis of their morphological distinctiveness, these taxa are comparable to many other currently recognized Eurasian ones. The presence of Eurasian alien species also cannot be excluded. The need for a comprehensive study of Australian taxa of Salsola is emphasized.
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Borger, Catherine P. D., Guijun Yan, John K. Scott, Michael J. Walsh e Stephen B. Powles. "Salsola tragus or S. australis (Chenopodiaceae) in Australia—untangling taxonomic confusion through molecular and cytological analyses". Australian Journal of Botany 56, n. 7 (2008): 600. http://dx.doi.org/10.1071/bt08043.

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Abstract (sommario):
Salsola tragus sensu lato (Chenopodiaceae) is found throughout Western Australia and is considered to be a weed in both natural and agricultural ecosystems, although the current taxonomic status of this species is not clear. The taxonomic literature reports morphological variation within Australian populations of the weed, indicating that there may be genetically distinct ecotypes or unidentified subspecies present within the species. A genetic and cytological approach was used to detect variation between 22 populations of S. tragus sensu lato in the south-west of Western Australia. Out-groups used in this study included a population of S. tragus L. from the USA and Maireana brevifolia (R.Br.) Paul G.Wilson (Chenopodiaceae) from Lake Grace. Four genetically distinct groups were identified, which were not closely related to the S. tragus out-group (~60% similarity). Further, these groups and a S. australis R.Br. sample from the USA were all diploid (2n = 18), unlike the tetraploid (2n = 36) S. tragus. The predominant wheatbelt weed, group A, which was previously classified as S. tragus ssp. tragus L., was identified as S. australis. This species is probably native to Australia, given its arrival predated European invasion. Further research is required to clarify the taxonomic status of the other three possible taxa and determine their status in relation to S. australis.
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3

Certain, Cassandre, Luc Della Patrona, Peggy Gunkel-Grillon, Audrey Léopold, Philippe Soudant e Fabienne Le Grand. "Effect of Salinity and Nitrogen Form in Irrigation Water on Growth, Antioxidants and Fatty Acids Profiles in Halophytes Salsola australis, Suaeda maritima, and Enchylaena tomentosa for a Perspective of Biosaline Agriculture". Agronomy 11, n. 3 (28 febbraio 2021): 449. http://dx.doi.org/10.3390/agronomy11030449.

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Abstract (sommario):
Cultivation of salt-tolerant crops help to face to irreversible global salinization of freshwater and soils. In New-Caledonia, three halophytes are candidates for saline crops, Salsola australis R.Br., Suaeda maritima (L.) Dumort and Enchylaena tomentosa R.Br. Their success and quality depend yet on availabilities of salinity and essential nutrients in agrosystems. So, we investigated effects of three salinities, i.e., control moderate and high, and five nitrogen ratios, i.e., 100:0, 75:25, 50:50, 25:75 or 0:100 NO3−-N:NH4+-N ratio on their growth and functional value for fatty acids and antioxidants. Results show that the leaf fatty acid and antioxidant profiles of species, emphasize their good potential to become functional crop products, based on comparison with other functional plants, dietetic recommendation, or functional indices. However, their total phenolic compounds (TPC) content can be influenced by N-ratio (Suaeda maritima and Enchylaena tomentosa) and their antioxidant activity index (AAI) can be influenced by salinity (Suaeda maritima), N-ratio (Salsola australis) or both (Enchylaenatomentosa). Their quantitative and/or qualitative fatty acid profiles can also be influenced by salinity (Enchylaena tomentosa), N-ratio (Suaeda maritima), or both (Salsola australis). Regarding these variations, involving salt tolerance and nitrogen nutrition mechanisms, we recommend suitable treatments to maintain or optimize the growth and the functional quality of leaves in the three species.
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4

Gurbanov, E. "Taxonomic Synopsis of Salsola Genus (Mil Plain, Azerbaijan)". Bulletin of Science and Practice 6, n. 11 (15 novembre 2020): 78–84. http://dx.doi.org/10.33619/2414-2948/60/08.

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Abstract (sommario):
In article the results of analysis conducted on bioecological features of Salsola species which are distributed in desert phytocoenosis of Mil plain of Kur-Aras lowland were given. Materials for research were plant herbaria which collected from researched area, as well as herbarium funds of Baku State University and Institute of Botany Azerbaijan National Academy of Sciences. Morphological study of the flower parts of Salsola species was conducted with Carl Zeiss Stereo Discovery V4 stereomicroscope. It was determined that in researched area 10 species (Salsola australis R. Br., S. tragus L., S. paulsenii Litv., S. soda L., S. nitraria Pall., S. incanescens C. A. Mey., S. dendroides Pall., S. ericoides Bieb., S. nodulosa (Moq.) Iljin, S. foliosa (L.) Schrad.) of Salsola genus are distributed. Their morphology, ecology, systematical position, as well as economic significance were analyzed. It was also found that an anthropogenic impact in this area leads to desertification of landscapes.
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5

Hrusa, G. F., e J. F. Gaskin. "The Salsola tragus Complex in California (Chenopodiaceae): Characterization and Status of Salsola australis and the Autochthonous Allopolyploid Salsola ryanii Sp. Nov". Madroño 55, n. 2 (aprile 2008): 113–31. http://dx.doi.org/10.3120/0024-9637(2008)55[113:tstcic]2.0.co;2.

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6

Aminova, А. А., S. S. Lyashenko, S. G. Yunusova, O. N. Denisenko e M. S. Yunusov. "LIPIDS OF SALSOLA IBERICA (SENNEN&PAU) BOTSCH. (S. AUSTRALIS R. BR.) SEEDS". Journal of scientific articles "Health and Education millennium" 19, n. 9 (30 settembre 2017): 188–92. http://dx.doi.org/10.26787/nydha-2226-7425-2017-19-9-188-192.

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7

T, Azzaya, e Otgonsuren M. "The herbicide effect for controlling the weeds in wheat field". Mongolian Journal of Agricultural Sciences 23, n. 01 (11 ottobre 2018): 26–29. http://dx.doi.org/10.5564/mjas.v23i01.1017.

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Abstract (sommario):
Of all reported distributions of weeds of 19 species belonging to 15 genera of 10 families in the wheat planted fields Tsagaannuur soum of Selenge aimag, annuals account for 57.9%, biennials for 10.5% and perennials for 31.5%. The use of herbicide Trimexa, Cliomex 300, Cliodmex plus and Trimexa + Cliodimex plus express for controlling both grassy and dicotyledonous weeds has Agropyron repens L, Panicium miliaceum L, Eragrostis minor Host, Amaranthus retroflexus L, Artemisia sieversiana Willd, Cannabis ruderalis Janisch, Chenopodium album L, Chenopodium aristatum L, Chenopodium acuminatum Willd, Convolvulus arvensis L, Convolvulus gortschakovii Schrenk, Erodium stephanianum Willd, Polygonum convolvulus L, Geranium siviricum L, Salsola collina (Pall), Salsola australis R.Br, Noneo pulla L, Malva mohileviensis Downer, Vicia cracca L. 84.4-90.9% technical effectiveness.
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BORGER, C. P. D., M. WALSH, J. K. SCOTT e S. B. POWLES. "Tumbleweeds in the Western Australian cropping system: seed dispersal characteristics of Salsola australis". Weed Research 47, n. 5 (ottobre 2007): 406–14. http://dx.doi.org/10.1111/j.1365-3180.2007.00578.x.

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9

Goeden, R. D., D. W. Ricker e H. Müller. "Introduction, Recovery, and Limited Establishment of Coleophora klimeschiella (Lepidoptera: Coleophoridae) on Russian Thistles, Salsola australis, in Southern California". Environmental Entomology 16, n. 4 (1 agosto 1987): 1027–29. http://dx.doi.org/10.1093/ee/16.4.1027.

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10

Sokolova, T. A. "Large-scale geobotanical map of the Tuzla Spit and Tuzla Island (the Kerch Strait)". Geobotanical mapping, n. 2019 (2019): 57–67. http://dx.doi.org/10.31111/geobotmap/2019.57.

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Abstract (sommario):
During an ecological expertise the vegetation of Tuzla Spit and Tuzla Island, located in the middle part of the Kerch Strait (Fig. 1), was studied. This area is unique in terms of biological diversity and a presence of rare species (Ermolaeva et al., 2018). The study is based on 150 geobotanical relevés. Field data, topographic maps, and high-resolution satellite images were used in the vegetation mapping. The total area of the study is 383 hectares. There are the following hierarchical levels in the legend to the vegetation map: types of vegetation and classes of associations. A mapping unit is an association described according to the Braun-Blanquet system (Braun-Blanquet, 1964). The highest divisions of the legend are the types of vegetation: aquatic, coastal-aquatic, halophytic, psammophytic, steppe; they are given according to the ecological-phytocoenotic classification. Within the types of vegetation, classes of associations are given according to the ecological-floristic classification. 26 main numbers of the legend display the vegetation cover on the map. Geobotanical map reflects the state of vegetation in 2015 (Fig. 2). The vegetation of the island is heterogeneous. Plant communities as narrow stripes replace each other depending on the degree of moisture, salinity and orography. The sea currents have a great influence on the vegetation. In the southern part of the Taman Bay, suspension flows are directed from the South to the North and round the island, which leads to the “washing-up” of the southeastern part of the island represented by shallow waters and estuaries. It is occupied mainly by halophytic vegetation, the main dominants of plant communities are Juncus maritimus, Phragmites australis, Puccinellia distans, Bassia hirsuta, Salicornia pe­rennans, S. prostrata, Suaeda salsa, Elaeagnus angustifolia, Elytrigia elongata, Tripolium vulgare. The northwestern part of the strait is occupied by the area of jet streams of suspensions coming from the North to the South from the Sea of Azov. This caused the accumulation of sand-shell material in the northern and northwestern parts of the island forming raised areas co­vered by psammophytic and steppe communities. The main dominant species here are Crambe maritima var. pontica, Cakile euxina, Eryngium maritimum, Lactuca tatarica, Salsola tragus, Leymus sabulosus, Artemisia arenaria, Gypsophila perfoliata. As a result of the transport crossing construction, the vegetation cover was heavily transformed. The vegetation map of Tuzla Spit and Island for 2019 shows the changes that have occurred — the drainage of the territory and the reduction of the vegetated area (Fig. 3). Distribution of weed species, in particular Ambrosia artemisiifolia, is noted. The remained vegetation in the southern part of the Tuzla Spit and the southern part of the Tuzla Island has a great nature conservation value; there are unique plant communities and rare plant species listed in the Red books of different ranks (Red..., 2007, 2008, 2015): Cakile euxina, Crambe maritime, Glaucium flavum, Euphorbia paralias, E. peplis, Eryngium mari­timum, Astrodaucus littoralis, Asparagus maritimus, Centaurea arenaria, Argusia sibirica, Astragalus varius, Verbascum pinnatifidum, Leymus racemosus subsp. sabulosus, Secale sylvestre. There is an obvious need to organize a specially protected natural area in these areas.
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Tesi sul tema "Salsola australis"

1

Borger, Catherine. "The biology and ecology of Salsola australis R.Br. (Chenopodiaceae) in southwest Australian cropping systems". University of Western Australia. School of Plant Biology, 2007. http://theses.library.uwa.edu.au/adt-WU2008.0062.

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Abstract (sommario):
Salsola australis is an introduced weed of crop and pasture systems in the Western Australian broad acre cropping and pasture region (wheat-belt). This thesis investigated the classification, biology and ecology of the genus Salsola in southwest Australia, as well as modelling the effectiveness of possible weed control practices. Prior to this research, S. tragus was the only recognised species of the Salsola genus within Australia. However, genetic analysis revealed that four genetically distinct putative taxa of the genus Salsola were found in southwest Australia, none of which were S. tragus. The taxa that is the most prevalent agricultural weed was classified as S. australis, but the other three putative taxa could not be matched to recognised species. All four taxa were diploid (2n = 18), as opposed to tetraploid (2n = 36) S. tragus. Within the agricultural system of southwest Australia, S. australis plants established throughout the year, although the majority of seed production occurred in late summer and autumn. Total seed production (138-7734 seeds per plant) and seed viability (7.6-62.8%) of S. australis were lower than that reported for other agricultural weed species of the Salsola genus. Seed dispersal occurred when the senesced plants broke free of their root system to become mobile. Wind driven plants travelled and shed seed over distances of 1.6 to 1247.2 m. Movement of approximately half the plants was restricted to less than 100 m by entanglement with other S. australis plants within the stand. Some seed was retained on the senesced plants, but the germinability of this seed fell to less than 2% in the two month period following plant senescence (i.e. a decline of 79%). Once seed shed into the soil seed bank, anywhere from 32.3 to 80.7% of the viable seeds germinated in the year following seed production, with the rest remaining dormant or degrading. A model of the life cycle of S. australis based on the population ecology data indicated that the dormant seed bank had very little effect on annual seedling recruitment, but seed dispersal from neighbouring populations had a large impact on population growth rate. Therefore, the most successful weed control measures were those that restricted seed dispersal from neighbouring populations, or those that were applied to all populations in the region rather than to a single population. Weed control techniques applied to a single population, without reducing seed dispersal, could not reduce population size.
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2

Charon, Cardona Euridice T. "No Little Havana: recreating Cubanness in Sydney Australia". 2008. http://hdl.handle.net/1959.13/31742.

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Abstract (sommario):
Research Doctorate - Doctor of Philosophy (PhD)
This thesis explores the ways in which Cuban identity is expressed, understood, maintained and recreated by Cuban migrants in Sydney and the wider Australian society. Initially, the analysis focuses on some of the most visible ethnic markers used by people outside the Cuban community to recreate Cubanness: politics, through the promotion of Cuba as a ‘socialist paradise’ by leftist Australian organizations and solidarity groups with Cuba; and music and dance, taking as an example the salsa boom in Sydney, and the advertising of Cuba as an exotic tourist destination in Australia. Throughout the work an argument is developed that the very different demographic configuration of Cubans in Australia has fostered a singular praxis of maintaining their identity. In doing so the study examines why politics does not play a primary role in the recreation of Cubanness in Australia, in contrast to numerically larger and higher profile Cuban settlements. Rather, Cubanness in Sydney has centred more in preserving eating habits, memories of Cuba as a place, listening and dancing to Cuban music, and other practices kept in the domestic space. This is achieved through the Cuban migrants’ strategic borrowings from other migrant communities, from food products to people and institutions, such as the Catholic Church being used to maintain the traditional worship of the Virgin of Charity. Finally, the study explores how migrants and outsiders understand the identity of Cubanness in Sydney, and considers the contribution of some major theories of ethnicity and identity to understanding this phenomenon.
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