Effect of silicon and potassium on tomato anthracnose and on the postharvest quality of tomato fruit (Lycopersicon esculentum Mill.)

Weerahewa, Darshani; David, Dilshan

doi:10.4038/jnsfsr.v43i3.7959

Cited by 27 publications

(14 citation statements)

References 15 publications

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“…As B transports sugar through the formation of borate-sugar complexes in higher plants (Marschner, 2012), there may be a case resulting in the less soluble solids in B treated fruits at harvest time. Si-treated tomatoes also had less-soluble solids as noted in the fruit growth statistics (Weerahewa, David, 2015). Additionally, it is noted that during storage, soluble solids increased perhaps due to conversion of starch to sugar (Khalaj et al, 2017).…”

Section: Resultsmentioning

confidence: 84%

“…The Si + B foliar sprays influenced firmness, because the minerals may cross-link the pectin molecules in plant cell-walls and the metal binding's cell-wall structure stabilize by the pectin web in the case of this study. The Si treatment expanded tomato firmness (Weerahewa, David, 2015) and B-treated pear fruits have been shown to become firmer (Khalaj et al, 2017) which is definite beneficial growing factor for producers of these fruit products. Moreover, the Si + B treated fruit showed the highest firmness at harvest time (20°C), and it was retained after storage due to decreased respiration and ethylene production.…”

Section: Resultsmentioning

confidence: 99%

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The effect of silicon and boron foliar application on the quality and shelf life of cherry tomatoes

Islam

Mele

Choi

et al. 2018

Zemdirbyste-Agriculture

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Silicon (Si) alone or Si + boron (B) foliar sprays at the maturity stage of light red of the cherry tomato cultivar 'Unicorn' were examined to determine the effect on the quality and shelf life. The foliar applications that were utilized in this study were: 20 mM Si alone from silicon dioxide (SiO 2 ), 20 mM Si from SiO 2 with 4.85 mM B from boric acid (H 3 BO 3 ) and distilled water as a control substance. The Si + B treatment resulted in the lowest respiration and ethylene production as recorded. The Si + B treated tomato fruits attained and retained the highest firmness as noted. Compared with the control, the Si + B treated fruits had less-soluble solids, higher titratable acidity, higher vitamin C content, and longer shelf life. The Si + B treated fruits and leaves had the highest Si and B content uptake. Therefore, Si + B foliar sprays increased and retained cherry tomato firmness, maintained soluble solids, maintained titratable acidity, increased the vitamin C content, prolonged shelf life, increased cellwall compactness, and increased Si and B accumulation as noted in the study.

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Section: Resultsmentioning

confidence: 84%

Section: Resultsmentioning

confidence: 99%

The effect of silicon and boron foliar application on the quality and shelf life of cherry tomatoes

Islam

Mele

Choi

et al. 2018

Zemdirbyste-Agriculture

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“…Firmness is maintained as a result of the interaction of Ca with the cell walls, where it binds to pectins and forms bridges between pectic acids and, as a result, the fruits have intact middle lamellae. The Si induces mechanisms of resistance to biotic and abiotic stress without hampering the growth of the plants . In general, the number of clusters per plant showed no significant difference for the treatments compared to the controls in the case of the 2017 crop, except for treatment Si 4, whereas, in the case of the 2018 crop, the treatments Ca 4 and Si 12 did lead to significant differences in relation to the control.…”

Section: Resultsmentioning

confidence: 84%

Changes in vineyard productive attributes and phytochemical composition of sauvignon blanc grape and wine induced by the application of silicon and calcium

et al. 2020

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BACKGROUND: It is important to increase productivity and improve plant quality at the same time as preserving the principles of safety and productivity. The present study aimed to evaluate the effects of different concentrations of sodium metasilicate and calcium chloride, applied as fertilizers, on the productivity and phytochemical characteristics of Sauvignon Blanc grapes and their respective wines. RESULTS:The experiments were conducted using 2017 and 2018 vintages of commercial Sauvignon Blanc grapes. The treatments consisted of applying separately different concentrations of sodium metasilicate (0, 4, 8 and 12 g L −1 ) or calcium chloride (0, 5, 10 and 15 g L −1 ). The treatments were carried out during four phenological phases. The grapes were harvested at technical maturity and white wines were elaborated. The application of inorganic salts, silicon and calcium to the grapes had a significant effect on the vineyard productivity. The best results were obtained with 4 and 8 g L −1 silicon and 15 g L −1 calcium. An increase in the concentration of phenolics in the grapes was noted. These compounds have antioxidant capacity, which is one of the factors responsible for the resistance of the grapes to pathogens. CONCLUSION: The application of 4 and 8 g L −1 silicon and 15 g L −1 calcium to the grapes represents a potential alternative fertilizing strategy, which could increase the plant yield without damaging the phytochemical characteristics of the fruit and its derivatives.

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“…For example, the Australian crop was grown without the inclusion of silicon (Si) which is typical for hydroponic crops. Silicon application has been shown to increase the firmness of tomatoes (Weerahewa and David, 2015) and the absence of Si in the Australian fruit may have contributed to generally softer fruit at harvest. This study highlights the potential impact of sample origin and provenance on the quality and health value of Gac fruits.…”

Section: Discussionmentioning

confidence: 99%

Changes in physicochemical properties of Gac fruit (Momordica cochinchinensis Spreng.) during storage

Tran¹,

Parks²,

Nguyen³

et al. 2017

Aust J Crop Sci

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Gac fruits were evaluated during storage to observe detailed changes in aril quality (lycopene, β-carotene and oil concentration). The relationships of these qualities with fruit firmness, skin colour and the total soluble solids (TSS) of aril were also explored to identify any potential indicators of aril quality. Mature fruit were manually picked and sorted for size from two field crops in Vietnam and a greenhouse crop in Australia. They were stored in plastic containers at ambient conditions until the fruit was considered unsalable (7 days at 30 o C in Vietnam and 21 days at 21 o C in Australia). Storage for a week generally improved aril quality in terms of increasing the concentrations of lycopene (up to 4.3 mg g -1 dry weight), β-carotene (up to 1.5 mg g -1 dry weight) and oil (up to 0.4 g g -1 dry weight) and these were strongly correlated with firmness (lycopene -0.923, β-carotene -0.754, oil -0.764, p<0.01) and TSS (lycopene -0.747, β-carotene -0.664, oil -0.672, p<0.01). However, quality declined with further storage. Skin colour did not relate well to aril quality but fruit firmness and aril TSS are candidates in the development of simple indices for the quality management of commercial Gac fruit.

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Effect of silicon and potassium on tomato anthracnose and on the postharvest quality of tomato fruit (Lycopersicon esculentum Mill.)

Cited by 27 publications

References 15 publications

The effect of silicon and boron foliar application on the quality and shelf life of cherry tomatoes

The effect of silicon and boron foliar application on the quality and shelf life of cherry tomatoes

Changes in vineyard productive attributes and phytochemical composition of sauvignon blanc grape and wine induced by the application of silicon and calcium

Changes in physicochemical properties of Gac fruit (Momordica cochinchinensis Spreng.) during storage

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