Raphanus Sativus L
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Plants ◽  
2021 ◽  
Vol 10 (9) ◽  
pp. 1806
Author(s):  
Katarzyna Możdżeń ◽  
Agnieszka Tatoj ◽  
Beata Barabasz-Krasny ◽  
Anna Sołtys-Lelek ◽  
Wojciech Gruszka ◽  
...  

Invasive plant species are responsible for changing colonized ecosystems by occupying new areas and creating a threat to the functioning of the native flora and fauna populations. Alien plants can produce allelochemicals, substances completely new to indigenous communities. This study investigated the germination seed reactions of Festuca rubra L. and Raphanus sativus L. var. radicula Pers. cv. Rowa on the extracts from the roots, stalks, leaves, and flowers of Rosa blanda. Aqueous extracts at concentrations of 1%, 2.5%, and 5% were used in order to determine the allelopathic potential of this alien rose for Europe. With the increase in the concentration of extracts, a decrease in the germination capacity of seeds of the tested species was observed. R. blanda extracts inhibited the growth of seedlings. Depending on the concentration and type of the extract, changes in biomass and water content in Red Fescue and Red Radish seedlings were also shown. The highest differences in the electrolyte leakages were noted in seedlings treated with 5% rose extracts. The study showed that the aqueous extracts of R. blanda leaves and flowers had the greatest allelopathic potential.


Plants ◽  
2021 ◽  
Vol 10 (9) ◽  
pp. 1799
Author(s):  
Anastasia B. Kurina ◽  
Dmitry L. Kornyukhin ◽  
Alla E. Solovyeva ◽  
Anna M. Artemyeva

Small radish and radish are economically important root crops that represent an integral part of a healthy human diet. The world collection of Raphanus L. root crops, maintained in the VIR genebank, includes 2810 accessions from 75 countries around the world, of which 2800 (1600 small radish, 1200 radish) belong to R. sativus species, three to R. raphanistrum, three to R. landra, and four to R. caudatus. It is necessary to systematically investigate the historical and modern gene pool of root-bearing plants of R. sativus and provide new material for breeding. The material for our research was a set of small radish and radish accessions of various ecological groups and different geographical origin, fully covering the diversity of the species. The small radish subset included 149 accessions from 37 countries, belonging to 13 types of seven varieties of European and Chinese subspecies. The radish subset included 129 accessions from 21 countries, belonging to 18 types of 11 varieties of European, Chinese, and Japanese subspecies. As a result of the evaluation of R. sativus accessions according to phenological, morphological, and biochemical analyses, a wide variation of these characteristics was revealed, which is due to the large genetic diversity of small radish and radish of various ecological and geographical origins. The investigation of the degree of variation regarding phenotypic and biochemical traits revealed adaptive stable and highly variable characteristics of R. sativus accessions. Such insights are crucial for the establishment and further use of trait collections. Trait collections facilitate germplasm use and contribute significantly to the preservation of genetic diversity of the gene pool.


Biomolecules ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 1190
Author(s):  
Henryk Dębski ◽  
Wiesław Wiczkowski ◽  
Joanna Szablińska-Piernik ◽  
Marcin Horbowicz

The effects of elicitors on broccoli (Brassica oleracea L. var. Italica) and radish (Raphanus sativus L.) sprouts were evaluated. Seeds and then sprouts were soaked daily for 30 min over 6 days in water (control) or a mixture of FeEDTA and sodium silicate or sodium silicate alone. The contents of the flavonoids and phenolic acids (free, esters, and glycosides) were determined using HPLC-ESI-MS/MS. Phenolic compounds were released from the esters after acid hydrolysis and from the glycosides using alkaline hydrolysis. Quercetin, kaempferol, (‒)-epicatechin, naringenin, apigenin, and luteolin derivatives were found in broccoli and radish sprouts, while derivatives of iso-rhamnetin, orientin, and vitexin were not present at measurable levels. The flavonoid contents, especially derivatives of quercetin, were considerably higher in the broccoli sprouts than in the radish sprouts. The quantitatively major phenolic acid content in the sprouts of both species was found to be p-hydroxybenzoic acid. Its content in the radish sprouts was several times higher than in the broccoli sprouts. The total flavonoid content of broccoli sprouts was 507–734 µg/g DW, while that of the radish sprouts ranged from 155 µg/g DW to 211 µg/g DW. In contrast, total phenolic acids were higher in radish sprouts, ranging from 11,548 to 13,789 µg/g DW, while in broccoli sprouts, they ranged from 2652 to 4527 µg/g DW, respectively. These differences resulted radish sprouts having higher antioxidant activity compared to broccoli sprouts. The applied elicitors increased the content of the total phenolic acids and the antioxidant activity of radish and broccoli sprouts, while they decreased the level of the total flavonoids in broccoli sprouts.


Gels ◽  
2021 ◽  
Vol 7 (3) ◽  
pp. 107
Author(s):  
Muhammad Zahid ◽  
Maria Lodhi ◽  
Ayesha Afzal ◽  
Zulfiqar Ahmad Rehan ◽  
Muzzamil Mehmood ◽  
...  

Hydrogels prepared from polymers have been proposed for tissue regeneration and the treatment of bruise wounds. In this research work, we synthesized a Raphanus sativus L.-based wound-healing hydrogel with recognized antimicrobial activity for the healing of cutaneous lesions, drawing on its healing potential. A structural analysis was performed by Fourier transform infrared spectroscopy, confirming the interaction between sodium alginate and Raphanus sativus L. The surface morphology was studied by scanning electron microscopy. A swelling test showed that the T-1 hydrogel capability of absorption of the solution was superior compared to other synthesized samples. It was evident that the swelling tendency decreased as the Raphanus sativus L. seed extract concentration was reduced. In a thermogravimetric analysis, T-1 shows high thermal stability over other prepared hydrogel samples, enjoying a high content of seed extract compared with all samples. The prepared hydrogels were placed on the chick chorioallantoic membrane of fertilized chick eggs, and their healing capability was examined. All seed extracts containing hydrogels showed clear curative performance as compared to the control hydrogel, whereas their healing magnitude lessened as the extract ratio decreased. It was concluded from the results of the current study that the Raphanus sativus L. plant has wound-healing characteristics.


2021 ◽  
Vol 10 (3) ◽  
pp. 22-30
Author(s):  
Tran Minh Quynh ◽  
Nguyen Van Binh ◽  
Duong Kim Thoa ◽  
Le Thi Minh Luong

The effects of gamma radiation on viscosity and molecular weight (Mw) of chitosan and xanthan were studied to utilize them as components that can induce plant growth promotor (PGP) effect and prolong the contact of agrochemicals with crop in the foliar microelement fertilizers. Various fertilizers were prepared from two formulations of microelements, radiation degraded low molecular weight (Mw) chitosan (LCST) and xanthan (LXT) and their effects on the growth, yield and quality of radish grown on alluvial soil were measured. The experiment was arranged in randomized complete block design (RCBD) with 3 replications in experiment station. The results revealed that all development parameters of radish were much improved by foliar application of microelements and low Mw polysaccharides. The highest yield of radish root obtained with the plants treated with lower microelements and higher chitosan content (MF2). There are insignificant differences in total soluble solids, sugar and vitamin C content in the root harvested from the plants treated with the formulations supplementing the same amount of LCST, but the fertilizer composed of higher amount of microelements and chitosan (MF4) reduced nitrate residue in the root. It can be concluded that foliar microelement fertilizer containing low Mw polysaccharide can be applied to improve the growth, yield and quality of radish.


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