Carrot root size distribution in response to biostimulant application

Szczepanek, Małgorzata; Wilczewski, Edward; Pobereżny, Jarosław; Wszelaczyńska, Elżbieta; Ochmian, Ireneusz

doi:10.1080/09064710.2017.1278783

Cited by 8 publications

(14 citation statements)

References 11 publications

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“…Although Atonik has been used for many years in the cultivation of major crops worldwide, opinions on its effects vary. Depending on the plants tested, analyses demonstrated either positive or negative effects of its application on yield quality (Kozak et al, 2008 ; Malarz et al, 2008 ; Przybysz et al, 2014 ; Kocira et al, 2015b , c , 2017a ; Szczepanek et al, 2017a , b ). The second mentioned preparation, Tytanit, generally contains a titanium complex (Table 1 ).…”

Section: Introductionmentioning

confidence: 99%

Modification of Growth, Yield, and the Nutraceutical and Antioxidative Potential of Soybean Through the Use of Synthetic Biostimulants

Szparaga

Kocira

et al. 2018

Front. Plant Sci.

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Improvement of crop cultivation technologies is focused on increasing crop productivity and improving yield quality, and at the same time on minimizing risks posed to the natural environment. The use of biostimulants contributes to the increase in the productivity of plants, especially under their exposure to stress induced by negative environmental stimuli. A field experiment was conducted in three growing seasons (2014–2016). Seeds of soybean of the Atlanta cultivar were sown in the third decade of April. Two synthetic biostimulants were used in the growing period in the form of single (stage BBCH 13-15) or double (stage BBCH 13-15, BBCH 61) spraying: Atonik (in concentrations of 0.1 and 0.2%) and Tytanit (in concentrations of 0.07 and 0.13%). Atonik, the first tested biostimulant, contained three phenolic compounds: sodium p-nitrophenolate, sodium o-nitrophenolate, and sodium 5-nitroguaiacolate. The Tytanit preparation contained a titanium complex, magnesium oxide, and sulfur (VI) oxide. This work presents a complex study addressing the action of the biostimulants Atonik and Tytanit and demonstrates their effect on the physiological traits, plant productivity, and seed yield quality of Glycine max L. The conducted experiment proved that the biostimulant type, as well as the number of its applications and its concentration, modified the biometric traits, crop productivity, as well as yield quality and the nutraceutical and antioxidative potential of soybean seeds. It was also found that by positively affecting plant growth and seed yield, the Atonik and Tytanit also resulted biostimulants decreased the protein and lipid contents in seeds. A double application of these preparations in their higher concentrations had a more positive impact on soybean seed number and soybean seed yield. The use of both Atonik and Tytanit resulted also in an increased antioxidative activity of soybean seeds. The greatest increase in this activity was observed after the application of the Tytanit preparation. Dietary fiber fraction analysis demonstrated an increase in the acid-detergent fiber, lignin, and cellulose contents in soybean seeds as a result of biostimulant application; however, the increase was greater upon the use of Tytanit. In contrast, the neutral-detergent fiber, cellulose, and hemicellulose contents were observed to decrease in all analyzed combinations of crops treated with the tested preparations.

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Section: Introductionmentioning

confidence: 99%

Modification of Growth, Yield, and the Nutraceutical and Antioxidative Potential of Soybean Through the Use of Synthetic Biostimulants

Szparaga

Kocira

et al. 2018

Front. Plant Sci.

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“…Similarly, no influence of biostimulant Asahi on this anti-nutritive component in carrot storage roots was observed. According to our earlier study, the single application of biostimulant Kelpak was also favorable for carrot roots yield [23]. The best results in increasing the commercial yield were achieved after the application of Kelpak at doses of 2 or 3 dm 3 ha −1 at the fourth-leaf stage (13.1% and 12.4% respectively, compared to the control).…”

Section: Nitrate Contentmentioning

confidence: 80%

“…These experiments were carried out in light soil with mean richness in available P and K forms, very low Mg richness, and a slightly acid reaction. More details on soil characteristics can be found in Szczepanek et al [23]. Weather conditions at the experimental site are presented in Table 1.…”

Section: Field Experimentsmentioning

confidence: 99%

“…Recent research involving gene expression analyses is shedding light on plants' metabolic regulatory pathways that are specifically affected by seaweed extracts [18,19]. Their performance is determined not only by weather conditions [13,20,21] but also by the date and the applied dose [20,[22][23][24]. Biostimulants are commonly used in agricultural crops and vegetables.…”

Section: Introductionmentioning

confidence: 99%

“…Modern technologies of carrot production use a number of agricultural production means supporting yields and quality of crops, including biostimulants. The use of biostimulants in the cultivation of carrots leads to an increase in the produced biomass; however, it can modify the chemical composition of roots [14,23,24,32]. Yet, it is not known whether the use of biostimulators in different doses and dates in field production does not pose a threat to food safety, especially for long-term stored raw materials.…”

Section: Introductionmentioning

confidence: 99%

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The Quality of Carrot after Field Biostimulant Application and after Storage

et al. 2020

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The carrot (Daucus carota L.) is a staple vegetable in human nutrition in Europe. In recent years, the use of biostimulants in vegetable crops has become a way to affect the quantity and quality of yields. The aim of this study was to assess the effect of the type and methods of biostimulant (natural seaweed extract Kelpak and synthetic Asahi) application on the nitrates and nitrites content in carrot roots after harvest and storage. The study was based on a strict field experiment with carrot cv. ′Karotan′, conducted in Poland (53°13′N; 17°51′E) in three successive growing seasons and after six months of storage (RH 95%, and air temperature +1 °C). The biostimulants were applied during the growing season in a foliar form. The content of NO3ˉ and NO2ˉ in carrot after harvest depended on the dose and the date of biostimulant application. The single application of biostimulant Kelpak as well as two times of Asahi had no effect on the nitrate and nitrite content, while the application of Kelpak in a total dose of 6 or 7 dm3 ha−1 increased them. The maximum intake of nitrates and nitrites following the harvest and storage was, respectively, 7.1, 2.3% and 6.7, 2.1% of the ADI.

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Specific recruitment of soil bacteria and fungi decomposers following a biostimulant application increased crop residues mineralization

et al. 2018

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Agriculture is undergoing important changes in order to meet sustainable soil management with respect to biodiversity (namely agroecology). Within this context, alternative solutions to mineral fertilizers such as agricultural biostimulants are thus promoted and being developed. The mechanisms by which some soil biostimulants sustain soil biological functioning and indirectly increase crop yields are still unknown. Our goal in the present study was to demonstrate if and to what extent the application of a soil biostimulant affects the soil heterotrophic microbial communities that are involved in organic matter decomposition and carbon mineralization. We hypothesized that the addition of a biostimulant results in changes in the composition and in the biomass of soil microbial communities. This in turn increases the mineralization of the organic matter derived from crop residues. We performed soil microcosm experiments with the addition of crop residues and a biostimulant, and we monitored the organic carbon (orgC) mineralization and the microbial biomass, along with the microbial community composition by sequencing 16S rRNA gene and ITS amplicons. The addition of a soil biostimulant caused a pH neutralizing effect and simultaneous enhancement of the orgC mineralization of crop residues (+ 400 μg orgC g-1 dry soil) and microbial biomass (+ 60 μg orgC g-1 dry soil) that were linked to changes in the soil microbial communities. Our findings suggest that the soil carbon mineralization enhancement in the presence of the biostimulant was supported by the specific recruitment of soil bacteria and fungi. Whereas archaea remained stable, several operational taxonomic units (OTUs) of indigenous soil bacteria and fungi were enriched and affiliated with known microbial decomposers such as Cytophagaceae, Phaselicystis sp., Verrucomicrobia, Pseudomonas sp., Ramicandelaber sp., and Mortierella sp., resulting in lower soil microbial richness and diversity.

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Carrot root size distribution in response to biostimulant application

Cited by 8 publications

References 11 publications

Modification of Growth, Yield, and the Nutraceutical and Antioxidative Potential of Soybean Through the Use of Synthetic Biostimulants

Modification of Growth, Yield, and the Nutraceutical and Antioxidative Potential of Soybean Through the Use of Synthetic Biostimulants

The Quality of Carrot after Field Biostimulant Application and after Storage

Specific recruitment of soil bacteria and fungi decomposers following a biostimulant application increased crop residues mineralization

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