| effect of elevated tropospheric ozone on the structure of bacterial communities inhabiting the rhizosphere of herbaceous plants native to germany. | current elevated concentrations of ozone in the atmosphere, as they are observed during summer seasons, can cause severe effects on plant vegetation. this study was initiated to analyze whether ozone-stressed plants also transfer signals below ground and thereby alter the bacterial community composition in their rhizospheres. herbaceous plants, native to germany, with tolerance (anthoxanthum odoratum, achillea millefolium, poa pratensis, rumex acetosa, and veronica chamaedrys) and sensitivity (m ... | 2005 | 16332747 |
| parasitic hymenoptera fauna on agromyzidae (diptera) colonizing weeds in ecological compensation areas in northern italian agroecosystems. | parasitoids (hymenoptera) associated with agromyzid leafminers (diptera: agromyzidae) were studied in three rural farms located in northern italy. the parasitoids were reared from mined foliage of weeds growing in field margins. we reared 998 hymenoptera specimens, representing five families, 23 genera, and 53 species, from leafminers infesting weeds. eulophidae was the most abundant family (67.64%), followed by braconidae (28.86%), eucoilinae (1.40%), tetracampidae (1.40%), and pteromalidae (0. ... | 2007 | 17461050 |
| three years survey of tomato yellow leaf curl sardinia virus reservoir weed hosts in southern italy. | during the period from august 2004 to june 2006 a serious tomato yellow leaf curl epidemic caused by both tomato yellow leaf curl sardinia virus (tylcsv) and tomato yellow leaf curl virus (tylcs) was observed in protected tomato crops in castrovillari, calabria region, in a group of greenhouses where tomato is grown hydroponically. a three years survey for reservoir weed hosts of these viruses was performed during summer period in order to identify where the viruses persist during the host-free ... | 2007 | 18396845 |
| overwintering of frankliniella fusca (thysanoptera: thripidae) on winter annual weeds infected with tomato spotted wilt virus and patterns of virus movement between susceptible weed hosts. | abstract overwintering of tobacco thrips, frankliniella fusca, was investigated on common winter annual host plants infected with tomato spotted wilt virus (tswv). populations of tobacco thrips produced on tswv-infected plants did not differ from those produced on healthy plants, whereas populations varied greatly among host plant species. the mean per plant populations of f. fusca averaged 401, 162, and 10 thrips per plant on stellaria media, scleranthus annuus, and sonchus asper, respectively, ... | 2001 | 18944235 |
| severe outbreak of tomato yellow leaf curl sardinia virus on pepper in southern italy. | during summer and autumn 2008 a severe outbreak of pepper leaf curl disease (plcd) was observed in pepper crops under plastic tunnels in the ionic coast of basilicata region. its incidence reached, in some cases, values close to 50%. the beginning of infections was recorded along the perimeter of the tunnels, where it reached a percentage of almost 100%. the infection then progressively spread towards the central areas of the greenhouses. large populations of whiteflies, identificated as bemisia ... | 2009 | 20222578 |
| prevention of ccl4-induced nephrotoxicity with sonchus asper in rat. | sonchus asper (sa) is locally used in renal aliments. the present work investigated the antioxidant effects of s. asper methanolic extract (same) against ccl(4)-induced nephrotoxicity in sprague-dawley male rats. ccl(4) (3 ml/kg b.w., i.p.; 30% in olive oil) biweekly for 4 weeks induced lipid peroxidation, as reflected by significant increase of tbars; diminished the renal antioxidant defenses, as revealed by a decrease of the level of gsh, cat, sod, gst, gsr, gsh-px and qr while elevated the le ... | 2010 | 20550952 |
| protective effect of sonchus asper extracts against experimentally induced lung injuries in rats: a novel study. | in this study, protective effects of methanol extract (same) were evaluated against carbon tetrachloride induced oxidative stress in lungs. male sprague-dawley rats were orally fed with various doses (100, 200mg/kg body weight) of same and (50mg/kg body weight) of rutin after 48h of ccl(4) treatment (3ml/kg body weight, 30% in olive oil) biweekly for 4 weeks. the results showed that administration of extracts and rutin significantly restored lung contents of reduced glutathione and activities of ... | 2011 | 21315567 |
| antioxidant and antibacterial activity of six edible wild plants (sonchus spp.) in china. | the total phenolic and flavonoid, antioxidant and antibacterial activities of six sonchus wild vegetables (sonchus oleraceus l., sonchus arvensis l., sonchus asper (l.) hill., sonchus uliginosus m.b., sonchus brachyotus dc. and sonchus lingianus shih) in china were investigated. the results revealed that s. arvensis extract and s. oleraceus extract contained the highest amount of phenolic and flavonoid, respectively. among the methanol extracts of six sonchus species, s. arvensis extract exhibit ... | 2011 | 21793765 |
| Prevention of hepatorenal toxicity with Sonchus asper in gentamicin treated rats. | ABSTRACT: | 2011 | 22082144 |
| investigating the potential of under-utilised plants from the asteraceae family as a source of natural antimicrobial and antioxidant extracts. | antimicrobial properties of ethanol and water extracts from eight asteraceae species were investigated against three gram positive (staphylococcus aureus, mrsa and bacillus cereus) and two gram negative (escherichia coli and salmonella typhimurium) bacterial strains. ethanol extracts from centaurea scabiosa, arctium minus, taraxacum officinale, centaurea nigra and cirsium palustre demonstrated antimicrobial activity against strains of s. aureus, mrsa and b. cereus (mic=187.5-365μg/ml). ethanol e ... | 2014 | 24837924 |
| biotechnological potential of endophytic actinomycetes associated with asteraceae plants: isolation, biodiversity and bioactivities. | endophytic actinomycetes from five asteraceae plants were isolated and evaluated for their bioactivities. from parthenium hysterophorus, ageratum conyzoides, sonchus oleraceus, sonchus asper and hieracium canadense, 42, 45, 90, 3, and 2 isolates, respectively, were obtained. of the isolates, 86 (47.2 %) showed antimicrobial activity. majority of the isolates were recovered from the roots (n = 127, 69.7 %). the dominant genus was streptomyces (n = 96, 52.7 %), while amycolatopsis, pseudonocardia, ... | 2014 | 24375232 |
| genetic structure and population diversity of eleven edible herbs of eastern crete. | the present work aimed to investigate the genetic structure of 11 edible herbs grown in the wild of eastern crete that are becoming vulnerable due to habitat destruction and unregulated harvesting. thirty three populations (268 individuals) of reichardia picroides, scolymus hispanicus, scandix pecten-veneris, leontodon tuberosus, cichorium spinosum, sonchus asper ssp. glaucescens, urospermum picroides, prasium majus, hypochoeris radicata, centaurea raphanina ssp. raphanina and anagallis arvensis ... | 2015 | 26140277 |
| phytoaccumulation of heavy metals in natural vegetation at the municipal wastewater site in abbottabad, pakistan. | heavy metal accumulation in crops and soils from wastewater irrigation poses a significant threat to the human health. a study was carried out to investigate the removal potential of heavy metals (hm) by native plant species, namely cannabis sativa l., chenopodium album l., datura stramonium l., sonchus asper l., amaranthus viridus l., oenothera rosea (lher), xanthium stramonium l., polygonum macalosa l., nasturtium officinale l. and conyza canadensis l. growing at the municipal wastewater site ... | 2015 | 26366840 |
| nutritional quality of some wild leafy vegetables in south africa. | wild vegetables play an important role in the diet of inhabitants of different parts of the world. among the wild vegetables of south africa are chenopodium album, sonchus asper, solanumnigrum and urtica urens. the leaves of these plants were analysed for their nutritive value, anti-nutritive components and polyphenolic contents. the protein contents of their leaves ranged between 13.25% and 26.44%, while the fibre and mineral (ash) contents were 16.08-23.08% and 13.0-27.75%, respectively. u. ur ... | 2009 | 19037794 |
| content of micronutrients, mineral and trace elements in some mediterranean spontaneous edible herbs. | the analysis of mineral elements composition was determined in three wild edible herbs (cichorium intybus l., sonchus asper l. and borago officinalis) collected in seven different sampling sites which were characterized by different pollution grade. the detection of mineral elements (ca, k, mg and na), micronutrients (cu, fe, li, mn and zn) and heavy metals (as, cd, hg, ni and pb) was performed. | 2015 | 26473007 |
| evaluation of native plant flower characteristics for conservation biological control of prays oleae. | several studies have shown that manipulating flowering weeds within an agroecosystem can have an important role in pest control by natural enemies, by providing them nectar and pollen, which are significant sources of nutrition for adults. the aim of this study was to assess if the olive moth, prays oleae (bernard, 1788) (lepidoptera: praydidae), and five of its main natural enemies, the parasitoid species chelonus elaeaphilus silvestri (hymenoptera: braconidae), apanteles xanthostigma (haliday) ... | 2016 | 26780918 |