Effect of calcium nitrate treatment on reduction of berry shattering  in ‘Cheongsoo’ grape cultivars

PARK, Young-Sik; LEE, Je-Chang; KIM, Joo-Hyun; JEONG, Haet-Nim; Heo, Jae-Yun

doi:10.15835/nsb14111158

Cited by 3 publications

(1 citation statement)

References 21 publications

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“…Table grapes are highly prone to berry shattering due to abscission during storage and transport resulting in signi cant loss in commercial value 35 . Application of prohexadione calcium (Pro-Ca) reduced the level of ABA by modulating endogenous hormonal levels and berry shattering in grapes 36 .…”

Section: Discussionmentioning

confidence: 99%

A Novel Calcium and Biostimulant elicitors based preharvest treatments reduces postharvest berry rotting and maintains the quality of Grapes cv. Thompson Seedless.

Shricharan,

Hemanth,

Bhattacharjee

et al. 2024

Preprint

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The effectiveness of preharvest measures in reducing postharvest losses in table grapes cv. Thompson Seedless was studied by foliar application of four treatments used: T0 (Control), T1 (Biostimulant elicitors based formulation), T2 (Calcium salt), and T3 (combination of Biostimulant and Calcium based formulation) at three spray schedules of (2 days before harvest (DBH), 10 DBH, and 10+2 DBH). The results demonstrated that Treatment T1 showed a significant decrease in berry rotting compared to the control group in both the 2 DBH and 10 DBH groups. The browning of the rachis was significantly reduced by T1 treatment, resulting in maintenance of rachis colour until 8 DAH. The application of T2 at 10 DBH led to a significant drop in berry shattering. In the 2 DBH group, T2 exhibited the highest reductions in berry cracking. In addition, T1 consistently exhibited elevated levels of Total Soluble Sugar showing a significant increase in the 2 DBH group. T1 demonstrated superior efficacy in managing weight loss when applied to plants at 2 DBH. Hence, these findings highlight the capability of Velabs's Biostimulant and calcium-based formulation to effectively address postharvest issues in table grapes via a synergistic approach.

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Section: Discussionmentioning

confidence: 99%

A Novel Calcium and Biostimulant elicitors based preharvest treatments reduces postharvest berry rotting and maintains the quality of Grapes cv. Thompson Seedless.

Shricharan,

Hemanth,

Bhattacharjee

et al. 2024

Preprint

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Role of Pre-Harvest Sorbitol–Calcium Treatments in Controlling Berry Drop in Bagged Table Grapes of the “Doña María” Variety

Guirao,

Valverde,

Díaz-Mula

et al. 2024

Horticulturae

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Cv ‘Doña María’ table grape is a high-quality table grape variety included in the Protected Designation of Origin (PDO) of the European Union “The bagged grape of the Vinalopó”. The PDO stipulates that grape clusters must be protected with paper bags from inclement weather and insects, which helps enhance the final grape quality. However, ‘Doña María’ is a variety prone to high shattering in the late stages of ripening on the vine and during postharvest. Inorganic calcium treatments are one of the most commonly used tools to reduce this disorder, but the translocation of this mineral from veraison onward has been questioned. In this study, five applications were performed, from veraison to harvest, using sorbitol-chelated calcium (0.7% + 1.0%), Ca(NO3)2 (Ca) at 0.7% and sorbitol at 1%. It was observed that bagged grapes (not wetted with the solutions) only increased the concentration of total and bound calcium when treated with sorbitol–Ca. This resulted in reduced berry drop during cultivation and postharvest and improved fruit firmness. Additionally, it reduced grape metabolism indicators such as respiration rate, weight loss, malic acid degradation, prevented abscisic acid (ABA) and malondialdehyde (MDA) accumulation, and favored the accumulation of secondary metabolites such as total polyphenols, increased antioxidant activity, and sugar content. The application of sorbitol-chelated calcium is an effective and safe tool that enhances fruit quality and prevents losses due to shattering during postharvest.

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Effect of Calcium Nitrate and Calcium Carbonate on Plant Growth, Fruit Quality and Yield of Papaya Cv. Red Lady

Pandya¹,

Bakshi²,

sharma³

2023

IJAAP

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A field experiment was performed to study the effects of foliar applications of CaCO3 and Ca(NO3)2 on growth, quality, yield, and shelf life of papaya (Carica papaya) Cv. Red lady. Calcium (Ca) is one of the major plant nutrients which affects significantly the formation of the cell walls and cell membranes and also enables the production of biomass with proper plant growth and function. In the current experiment, papaya seedlings were well established in the orchard, well-irrigated with standardized nutrient solutions with all required inter-culture activities. Four different pre-harvest foliar application sprays were provided with two varying sources of Ca (CaCO3 and Ca(NO3)2) at three concentrations of each with CaCO3 (2%, 1%, 0.5%) Ca(NO3)2 (2%, 3%, 4%) at different stages of growth like flowering stage, fruit set stage, pre-harvest stage. The study revealed that foliar spray of above mentioned concentrations showed a profound improvement in vegetative growth of plants in terms of their height and diameter as compared to the plants in control treatment and also affected the fruit quality of papaya fruit.

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Effect of calcium nitrate treatment on reduction of berry shattering in ‘Cheongsoo’ grape cultivars

Cited by 3 publications

References 21 publications

A Novel Calcium and Biostimulant elicitors based preharvest treatments reduces postharvest berry rotting and maintains the quality of Grapes cv. Thompson Seedless.

A Novel Calcium and Biostimulant elicitors based preharvest treatments reduces postharvest berry rotting and maintains the quality of Grapes cv. Thompson Seedless.

Role of Pre-Harvest Sorbitol–Calcium Treatments in Controlling Berry Drop in Bagged Table Grapes of the “Doña María” Variety

Effect of Calcium Nitrate and Calcium Carbonate on Plant Growth, Fruit Quality and Yield of Papaya Cv. Red Lady

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