Variation of glucosinolates concentration and root growth of horseradish as affected by nitrogen and sulphur supply

The aim of the study was to analyze horseradish growth for developing a mathematical model to estimate the leaf area based on linear measurements of the leaf surface. Leaf area (LA), number, and morphometric characteristics of the leaves including lamina length (L) and width (W) were evaluated on two horseradish accessions (Cor and Mon) throughout a 2 year growing cycle. In both accessions, increased values of LA and leaf number were found by comparing the second with the first-growing season. Leaf development occurs along with variations in size and not in shape during the plant growth. The leaves are elliptical in shape but tend to be wider and bigger in Cor accession and tapered and similar to narrow ellipses in Mon showing different length/width relationship. Consequently, several regression models relating to the LA and L, W, L 2 , and W 2 individually or in combination were fitted for each accession based on a set of 1000 leaves. The horseradish LA can be predicted based on either length or width alone. However, the regression linear model LA = aLW + b (LA = 0.71LW − 0.27 and LA = 0.76LW − 3.22 for Cor and Mon, respectively) provided the best LA estimation (R 2 > 0.95). The validation of this latter model showed high correlation between LA measured and LA predicted in both accessions (R 2 = 0.98). Considering the type of foliage of horseradish, the proposed model can be used to estimate the leaf area throughout the entire crop cycle. KeywordsBrassicaceae • Horseradish • Plant growth • Leaf morphology • Plant phenotyping Communicated by M. Horbowicz.

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Assessment of a non-destructive method to estimate the leaf area of Armoracia rusticana

Maria

Rita

Trotta

et al. 2018

Acta Physiol Plant

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Horseradish (Armoracia rusticana G. Gaertn., B. Mey. & Scherb.) cultivated in Trentino-Alto Adige (northern Italy) characterized by biometric traits and glucosinolate content

Fusani

Aiello

Giannì

et al. 2022

Plant Genet. Resour.

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Horseradish is a crop grown for its edible underground parts. The development of new cultivars is hindered by the species' predominant vegetative reproduction, making it essential to evaluate locally cultivated accessions to identify new types suitable for cultivation. To this end, 11 horseradish accessions from family vegetable gardens in Trentino-Alto Adige, Italy were examined using 26 qualitative and six quantitative morphological descriptors and characterized by the five major glucosinolates (GSLs) present in the rhizome compared to a reference cultivar. A wide range of variability was observed for the considered qualitative morphological traits. The rhizome's top and basal diameters were 9.9 and 6.2 cm, respectively, with an average fresh weight of 521 g. Total GSL content ranged between 79.5 and 133.5 μmol/g dry weight (DW), with sinigrin (SIN) being the primary component at an average content of 110.0 μmol/g DW. Differences among the investigated accessions were noted for quantitative traits describing their productive features and for GSL content. A positive correlation was discovered between the biometric traits of the plant's underground parts and the SIN and total GSL content, suggesting a link between the quality and yield of the edible product. According to the multivariate analysis, accessions were grouped into three main clusters: the largest of the reference cultivar and the majority of accessions with similar productive and qualitative traits; another featuring two with good qualitative and productive characteristics. The investigated accessions proved to be a valuable germplasm source for cultivating the species.

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Cruciferous Vegetables and Their Bioactive Metabolites: from Prevention to Novel Therapies of Colorectal Cancer

Ağagündüz

Şahin

Yılmaz

et al. 2022

Evidence-Based Complementary and Alternative Medicine

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The Brassicaceae family, known as cruciferous vegetables, includes many economically important species, mainly edible oil plants, vegetable species, spice plants, and feed plants. Cruciferous vegetables are foods rich in nutritive composition and are also a good source of dietary fiber. Besides, cruciferous vegetables contain various bioactive chemicals known as glucosinolates and S-methyl cysteine sulfoxide, including sulphur-containing cancer-protective chemicals. Numerous studies have reported that daily intake of sulphurous vegetables helps prevent cancer formation and reduces cancer incidence, especially in colorectal cancer, through various mechanisms. The potential mechanisms of these compounds in preventing cancer in experimental studies are as follows: protecting cells against DNA damage, inactivating carcinogenic substances, showing antiviral and antibacterial effects, triggering apoptosis in cells with disrupted structure, inhibiting tumour cell migration causing metastasis and the development of tumour-feeding vessels (angiogenesis). These beneficial anticancer effects of cruciferous vegetables are generally associated with glucosinolates in their composition and some secondary metabolites, as well as other phenolic compounds, seed oils, and dietary fiber in the literature. This review aims to examine to the roles of cruciferous vegetables and their important bioactive metabolites in the prevention and treatment of colorectal cancer.

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Variation of glucosinolates concentration and root growth of horseradish as affected by nitrogen and sulphur supply

Cited by 5 publications

References 16 publications

Assessment of a non-destructive method to estimate the leaf area of Armoracia rusticana

Assessment of a non-destructive method to estimate the leaf area of Armoracia rusticana

Horseradish (Armoracia rusticana G. Gaertn., B. Mey. & Scherb.) cultivated in Trentino-Alto Adige (northern Italy) characterized by biometric traits and glucosinolate content

Cruciferous Vegetables and Their Bioactive Metabolites: from Prevention to Novel Therapies of Colorectal Cancer

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