scholarly journals Response of biotester Lepidium sativum to the effects of native herb extracts and phytoinvader Solidago canadensis

2021 ◽  
Vol 31 ◽  
pp. 00033
Author(s):  
Yulia Zagurskaya ◽  
Vladimir Ufimtsev
Keyword(s):  
Dominant Species ◽  
Poa Pratensis ◽  
Lepidium Sativum ◽  
Solidago Canadensis ◽  
Aqueous Extracts ◽  
Degraded Forest ◽  
Filipendula Ulmaria ◽  
Germinating Capacity ◽  
Chamaenerion Angustifolium ◽  
Herb Extracts

The effects of aqueous extracts from aboveground parts of Solidago canadensis L. as well as from dominant species of four main succession stages on the degraded forest soils of the Kemerovo region (Filipendula ulmaria, Chamaenerion angustifolium, Cirsium setosum, Poa pratensis) on the germinating capacity and speed of Lepidium sativum seeds were investigated. It was showed that Solidago canadensis and Filipendula ulmaria have the greatest effect on the reduction of germinating capacity of Lepidium sativum seeds.

scholarly journals Reactive Nitrogen Species Scavenging Capacity of Aqueous and Ethanolic Extracts from Galinsoga parviflora and G. quadriradiata Herbs

2015 ◽  
Vol 10 (11) ◽  
pp. 1934578X1501001
Author(s):  
Marta Rogowska ◽  
Siniša Srečec ◽  
Agnieszka Bazylko
Keyword(s):  
Caffeic Acid ◽  
Reactive Nitrogen Species ◽  
Skin Diseases ◽  
Scavenging Activity ◽  
Aqueous Extracts ◽  
Caffeic Acid Derivatives ◽  
Beneficial Effects ◽  
Scavenging Capacity ◽  
Ethanolic Extracts ◽  
Herb Extracts

The aim of the study was to determine the scavenging capacity of aqueous and ethanolic extracts derived from the herb of two species of Galinsoga against NO and ONOO-. In both tests the aqueous extracts of both Galinsoga species were more active than the ethanolic extracts. The highest scavenging activity against NO, and also against ONOO- was shown by G. quadriradiata aqueous extract (SC50±SD=1.54±0.32, and 2.10±1.98, respectively). The study showed that the activity of the extracts from both Galinsoga species is related not only to the presence of flavonoids but also to caffeic acid derivatives and caffeic acid. The results of this study partly explain the beneficial effects of Galinsoga herb extracts in the treatment of skin diseases.

scholarly journals Effect of Aqueous Extracts from Solidago Canadensis L. Leaves on Germination and Early Growth Stages of Three Cultivars of Raphanus Sativus L. Var. Radicula Pers

Plants ◽  
2020 ◽  
Vol 9 (11) ◽  
pp. 1549
Author(s):  
Katarzyna Możdżeń ◽  
Beata Barabasz-Krasny ◽  
Peiman Zandi ◽  
Angelika Kliszcz ◽  
Joanna Puła
Keyword(s):  
Raphanus Sativus ◽  
Early Growth ◽  
Growth Stages ◽  
Solidago Canadensis ◽  
Initial Growth ◽  
Aqueous Extracts ◽  
Total Chlorophyll Content ◽  
Allelopathic Interaction ◽  
Raphanus Sativus L ◽  
Radish Seedlings

Solidago canadensis L. is an expansive perennial that forms persistent, species-poor plant communities. It often spreads in fallow areas, displacing native floristic ingredients. Its expansiveness is largely due to morphological features, but it can also be the effect of allelopathic interaction. The aim of the experiment was to investigate the effect of aqueous extracts (decoction, infusion, and maceration) from dry S. canadensis leaves on germination and early growth stages of Raphanus sativus L. var. radicula Pers., in three cultivars: ‘Rowa’, ‘Półdługa’, and ‘Krakowianka’. In comparison to the control, the percentage of germinated radish seeds of ‘Rowa’ cultivar was statistically lower on the infusion and macerate. Regardless of the cultivar, the smallest changes in germination were found in seeds watered with decoction, and the largest with macerate. Seedlings length was most inhibited on macerate substrates, and least with infusion. Regardless of the form of the extract, each of them negatively affected the initial growth of radish seedlings. A fresh mass of ‘Rowa’ seedlings was inhibited by all Canadian goldenrod extracts. In relation to the control, the ‘Krakowianka’ cultivar was the least sensitive to S. canadensis extracts. The total chlorophyll content was the lowest in the seedlings of the ‘Rowa’ and ‘Półdługa’ cultivars germinated on macerate, compared to the control and two others extracts. The percentage of electrolyte leakage depended on the type of extract used and the radish cultivar. The study showed that depending on the cultivar, the aqueous extracts from S. canadensis leaves decreasing of germination and early growth of R. sativus.

scholarly journals The Influence of pH of Extracting Water on the Composition of Seaweed Extracts and Their Beneficial Properties onLepidium sativum

2017 ◽  
Vol 2017 ◽  
pp. 1-11 ◽  
Author(s):  
Katarzyna Godlewska ◽  
Izabela Michalak ◽  
Łukasz Tuhy ◽  
Katarzyna Chojnacka
Keyword(s):  
Algal Biomass ◽  
Dry Weight ◽  
Lepidium Sativum ◽  
Cultivated Plants ◽  
Aqueous Extracts ◽  
Beneficial Effects ◽  
Seaweed Extracts ◽  
Initial Ph ◽  
Influence Of Ph ◽  
Algal Extracts

Baltic seaweeds were used to obtain aqueous extracts (E) through changing initial pH of deionised water added to algal biomass (EpH3·H2O, EpH7·H2O, and EpH10·H2O) and through changing pH of the mixture of algae and deionised water (EpH3, EpH7, and EpH10). Algal extracts were characterized in terms of the concentration of polyphenols and micro- and macroelements. The highest concentration of polyphenols was determined in extract EpH3 and the lowest in extract EpH10·H2O. It was found that the obtained extracts had similar concentrations of elements (except EpH3). The phytotoxicity of algal extracts (0.5, 2.5, and 10%) was examined in the germination tests onLepidium sativum. No phytotoxic effects were observed. It was found that they had beneficial effects on the cultivated plants (length and weight). The best biostimulant effect was observed in the groups treated with EpH3 (2.5%), EpH7 (2.5%), and EpH7 (10%). The dry weight of plants was similar in all the groups. Algal extract also improved the multielemental composition of plant. The greatest concentration of total chlorophyll in plants was obtained by using extract EpH10·H2O, 0.5%. These results proved that algal extracts have high potential to be applied in cultivation of plants.

scholarly journals Assessment of the Antioxidant Activity and Quality Attributes of Yogurt Enhanced with Wild Herbs Extracts

2018 ◽  
Vol 2018 ◽  
pp. 1-12 ◽  
Author(s):  
Adriana Dabija ◽  
Georgiana Gabriela Codină ◽  
Sorina Ropciuc ◽  
Anca-Mihaela Gâtlan ◽  
Lăcrămioara Rusu
Keyword(s):  
Antioxidant Activity ◽  
Rheological Properties ◽  
Antioxidant Properties ◽  
Control Sample ◽  
Rheological Parameters ◽  
Aqueous Extracts ◽  
Silybum Marianum ◽  
Origanum Vulgare ◽  
Qualitative Characteristics ◽  
Herb Extracts

The milk and yogurt products assortment has expanded by their enhancement with herb extracts, fibres extracted from by-products of the fruit processing industry and also fresh spices. The aim of the present study was to test to what extent the addition of different herb extracts in yogurt will improve its qualitative characteristics and antioxidant activity. The aqueous extracts obtained from the four plants are considered in this study, respectively, thistle (Silybum marianum L.), hawthorn (Crataegus monogyna), sage (Salvia officinalis L.), and marjoram (Origanum vulgare L.). It was examined the effect of aqueous extracts prepared from four herbs (0.25/1%) (w/w) on yogurt’s qualitative characteristics (pH, titratable acidity, syneresis, water holding capacity, antioxidant activity, colour parameters, and rheological parameters) on both one day and 28 days after preparation. The final results show that the physicochemical and rheological properties of the yoghurt with herb extracts addition were improved compared to the control sample after 28 days of storage. The best results in terms of antioxidant properties were obtained when marjoram extract (Origanum vulgare L.) was incorporated. According to the data obtained, the best quality in terms of the physicochemical and rheological properties were in the case of the sample with 0.5% thistle extract (Silybum marianum L.) addition, while from point of view of the nutritional value, the best quality was in the case of the sample with 1% marjoram extract (Origanum vulgare L.) addition. The present study leads to the conclusion that yogurts enhanced with natural extracts may serve as functional food products, with significant health benefits.

scholarly journals Plant Growth Biostimulants Based on Different Methods of Seaweed Extraction with Water

2016 ◽  
Vol 2016 ◽  
pp. 1-11 ◽  
Author(s):  
Katarzyna Godlewska ◽  
Izabela Michalak ◽  
Łukasz Tuhy ◽  
Katarzyna Chojnacka
Keyword(s):  
Escherichia Coli ◽  
Antibacterial Properties ◽  
Inhibitory Effect ◽  
Positive Influence ◽  
Lepidium Sativum ◽  
Cultivated Plants ◽  
Control Group ◽  
Aqueous Extracts ◽  
E Coli ◽  
Algal Extracts

We explored two methods for obtaining aqueous extracts: boiling and soaking of Baltic seaweeds (EB and ES, resp.). Algal extracts were characterized in terms of polyphenols, micro- and macroelements, lipids content, and antibacterial properties. The utilitarian properties were examined in the germination tests onLepidium sativumfor three extract dilutions (0.5, 2.5, and 10%). It was found that the extracts were similar in micro- and macroelement concentrations. Water was proved to be a good solvent to extract phenolic compounds. The algal extract produced by soaking biomass did not show inhibitory effect onEscherichia coliandStaphylococcus aureus. Only the boiled extract had an inhibitory activity againstE. coli. Germination tests revealed a positive influence of the bioproducts on the cultivated plants. In the group treated with 10% EB, plants were 13% longer than in the control group; the content of elements B, Mo, Zn, and Na in the group treated with 10% ES was higher by 76%, 48%, 31%, and 59% than in the control group, respectively; the content of chlorophyll was 2.5 times higher in 0.5% ES than in the control group. Extracts showed the slight impact on the morphology of plants.

Heavy metal, macro- and microelement content of grass species and dicotyledons

2005 ◽  
Vol 53 (3) ◽  
pp. 349-352 ◽  
Author(s):  
J. Tasi
Keyword(s):  
Dominant Species ◽  
Poa Pratensis ◽  
Grass Species ◽  
High Dispersion ◽  
Leguminous Plants ◽  
Natural Grasslands ◽  
Grassland Plants ◽  
Dicotyledonous Plants ◽  
Element Contents ◽  
Microelement Content

Data on the composition of fodder from pastures (grass, meadow-hay) can be frequently found in the literature, but data on the element contents of the grass or non-grass species composing natural grasslands are scarce. In order to analyse the element contents of plants, samples were collected over 3 years (1998-2000) from different types of natural grasslands. On non-fertilised grasslands, the dominant species was Festuca pseudovina. The dominant species on fertilised grasslands was Poa pratensis, with Bromus inermis or Elymus repens being dominant at some sites. The results showed that leguminous plants had the highest contents of four of the five macroelements, while the highest level of K was found in dicotyledonous plants. The Na and Ca contents of the plants were higher on non-fertilised grasslands, while the level of all the other macroelements was higher in plants from fertilised grasslands. Since the Se contents showed a high dispersion, only a trend was observed, indicating that the Se content of grass species is not significantly lower than that of other grassland plants. On non-fertilised grasslands, grass species contained the most Cr and Pb, while leguminous plants contained the most Cd. In fodder from fertilised grasslands, the highest quantity of Cd and Cr was found in grass species, and the most lead in non-leguminous dicotyledons.

scholarly journals Seaweed extract by microwave assisted extraction as plant growth biostimulant

2015 ◽  
Vol 13 (1) ◽  
Author(s):  
Izabela Michalak ◽  
Łukasz Tuhy ◽  
Katarzyna Chojnacka
Keyword(s):  
Antibacterial Properties ◽  
Inhibitory Effect ◽  
Lepidium Sativum ◽  
Control Group ◽  
Aqueous Extracts ◽  
Microwave Assisted Extraction ◽  
Microwave Assisted ◽  
Assisted Extraction ◽  
Different Temperatures ◽  
Algal Extracts

AbstractMicrowave Assisted Extraction (MAE) was used to obtain aqueous extracts of Baltic seaweeds. Three different temperatures: 25, 40, 60°C were examined. Algal extracts were characterized in terms of polyphenols, micro- and macroelements, lipids content and antibacterial properties. This is the first study that examines the effect of algal extract obtained by MAE in plant cultivation. The utilitarian properties were checked in the germination tests on Lepidium sativum for three dilutions of extract (0.5, 2.5 and 10%). Results showed that the content of polyphenols in extracts decreased with temperature, whereas the content of micro- and macroalements increased with temperature. The aqueous extracts did not contain fatty acids and did not show inhibitory effect on Escherichia coli and Staphylococcus aureus. Germination tests showed that plants in the experimental groups with an optimal concentration of extract had a higher height, weight, chlorophyll and micro- and macroelement content than plants in the control group. The algal extracts did not significantly influence the morphology of plants as shown in SEM pictures. Results show that algal extracts obtained by MAE have the highest potential applied in agriculture as biostimulants.

scholarly journals The effect of seed age and treatment by Proradix method on germinability and initial growth of selected meadow grass (Poa pratensis) varieties

2011 ◽  
Vol 59 (5) ◽  
pp. 309-314 ◽  
Author(s):  
Jana Vrzalová ◽  
Pavel Knot
Keyword(s):  
Seed Treatment ◽  
Poa Pratensis ◽  
Germination Rate ◽  
Initial Growth ◽  
Above Ground Biomass ◽  
Forage Production ◽  
Germinating Capacity ◽  
Seed Age ◽  
The Difference ◽  
Positive Effect

The goal of the study conducted in 2008 and 2010 at the Research Forage Production Station in Vatín was to investigate the influence of seed age and seed treatment by Proradix method on the germination dynamics, total germinating capacity and initial growth rate of selected meadow grass varieties. The testing was carried out in controlled conditions on the germinator. Our results indicate that the age of seed significantly affects both the germination dynamics and the total germinating capacity. On day 7 after the establishment of the trial, a significantly higher germinating capacity was observed in the 4-year old seed (33.3%) as compared with the 2-year old seed (17.4%). Nevertheless, from day 13, higher germination values were recorded in the younger seed and its total achieved germinating capacity was significantly higher too (+7.2%). Interesting was a finding that the older seed of most varieties showed a more readily oncoming germination, which may play a quite important role in some cases namely in meadow grass, which is known by slow initial growth. The older seed exhibited significantly lower values of both above-ground biomass and the biomass of roots. The Proradix method appeared as efficient in boosting the total germinating capacity. It significantly increased germination rate as well as total germinating capacity. At the same time, a positive effect was observed of treatment by this method on the length of both shoot and root parts; the difference was statistically insignificant though.

scholarly journals ALLELOPATHIC ACTIVITY OF INVASIVE SPECIES SOLIDAGO CANADENSIS L.

2015 ◽  
Author(s):  
Ligita BALEŽENTIENĖ
Keyword(s):  
Invasive Species ◽  
Plant Species ◽  
Total Phenolics ◽  
Invasion Success ◽  
Growth Stages ◽  
Solidago Canadensis ◽  
Aqueous Extracts ◽  
Native Plant ◽  
Allelopathic Activity ◽  
Phenolics Content

Solidago canadensis L. (Asteraceae) spread throughout the world and also is enlisted in the National list of invasive species (2012). Here the allelopathic activity of the species was assessed in terms of further understanding of their distributions over the range of native spread. The invasion success of S. Canadensis was tried to base on the estimation of the total phenolics content (TPC) in the plant aqueous leachates at different growth stages. Allelopathic impacts (total phenolics content, total concentration and dynamic, conventional coumarine units, CCU) of S. canadensis were examined during 2012-2013 in Laboratory of raw materials, agro and zootechnics research, Aleksandras Stulginskis University. The plants were sampled in spring (May, rosette), summer (June, flowering) and autumn (September, seed maturity) for preparing the aqueous extracts. The biochemical (allelopathic) characteristics of S. canadensis aqueous extracts were examined at different plant growth stages. Principal (0–9) and secondary (0–9) growth stages as per universal BBCH scale description and coded using uniform two-digit code of phenologically similar growth stages of all mono- and dicotyledonous plant species. The TPC ranged between 0.968 mg ml-1 to 23.591 mg ml-1 depending on the plant ontogenetic stage, plant part and extract concentration (r = -0.7). Due to accumulated allelochemicals, the invasive S. canadensis, might acquire distribution advantage in new territories outside the native habitat range, through the inhibitory effects on germination of native plant species.

scholarly journals Turf Performance of Mixtures and Blends of Tall Fescue, Kentucky Bluegrass, and Perennial Ryegrass

HortScience ◽  
2002 ◽  
Vol 37 (1) ◽  
pp. 214-217 ◽  
Author(s):  
John H. Dunn ◽  
Erik H. Ervin ◽  
Brad S. Fresenburg
Keyword(s):  
Perennial Ryegrass ◽  
Tall Fescue ◽  
Festuca Arundinacea ◽  
Dominant Species ◽  
Poa Pratensis ◽  
Single Species ◽  
Kentucky Bluegrass ◽  
Individual Species ◽  
Disease Occurrence ◽  
As Species

Various mixtures of tall fescue, Festuca arundinacea Schreb., Kentucky bluegrass, Poa pratensis L., and perennial ryegrass, Lolium perenne L., may be beneficial for turf culture because of genetic diversity and improved tolerance to environmental stresses compared with a single species. Turf-type tall fescue, dwarf tall fescue, Kentucky bluegrass, and perennial ryegrass were seeded as cultivar blends and in all possible combinations as species mixtures in two locations, irrigated and nonirrigated. Turf was mowed at 19 and 51 mm and subjected to an interval of brief, but intensive, simulated traffic. Perennial ryegrass was the dominant species in all mixtures with tall fescue, Kentucky bluegrass, or both. After 5 years, turf-type tall fescue comprised 62% of mixtures with Kentucky bluegrass when averaged over locations. Dwarf tall fescue comprised 48% of mixtures compared with Kentucky bluegrass at 44%. Kentucky bluegrass was more competitive with tall fescue in the irrigated vs. nonirrigated location. Mowing height effected small changes in populations year to year while simulated traffic had little effect on populations at 1 year following treatment. The advantage of mixing species compared with individual species to reduce disease occurrence was evident on several occasions. Our study supports earlier research reports that tall fescue will remain competitive in mixture with Kentucky bluegrass several years after seeding.

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