The Efficiency of Different Foliar-Applied Calcium Materials in Improving Apple Quality

Wójcik, P.; Szwonek, E.

doi:10.17660/actahortic.2002.594.75

Cited by 9 publications

(3 citation statements)

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“…Biškup et al (2003a) reported the lowest percentage of bitter pit observed on fruits which were sprayed with 3% fertilizer with Ca (containing 12% CaO), while the highest percentage of bitter pit was recorded on untreated fruits (39.64%). Wójcik & Szwonek (2002) recommend use of the fertilizer with 22.5% Ca(NO 3 ) 2 for apple cultivars that are sensitive to physiological disorders related to a deficiency of Ca. In addition to spraying with Ca, a combination with P or self treatment with P is also effective (Tomala & Soska, 2004).…”

Section: The Role Of Calciummentioning

confidence: 99%

Bitter pit in apples: pre- and postharvest factors: A review

Jemrić

Fruk

et al. 2017

Span. j. agric. res.

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Bitter pit is a physiological disorder that significantly reduces the quality of apples. Although it has been detected since the beginning of the last century, still there is little known about the mechanism of its occurrence. According to numerous studies, bitter pit is formed as a result of calcium deficiency in the fruit. Some authors cite the high concentration of gibberellins, later in the production season, most probably caused by excessive activity of the roots, as the chief causative factor. Beside Ca, there are several factors that can also contribute to its development, like imbalance among some mineral elements (N, P, K and Mg), cultivar, rootstock, the ratio of vegetative and generative growth, post-harvest treatments and the storage methods. There are some prediction models available that can estimate the risk of bitter pit in apples, but even those are not always reliable. The aim of this review was to encompass the pre and postharvest factors which cause bitter pit and point out the directions for solving this problem.

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Section: The Role Of Calciummentioning

confidence: 99%

Bitter pit in apples: pre- and postharvest factors: A review

Jemrić

Fruk

et al. 2017

Span. j. agric. res.

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“…They reported that calcium applied by spraying to pomegranate plant was effective on yield and fruit quality in tangerine (Eroğul et al, 2011), cherry (Simon, 2006), apple (Raese, 2000 andWojcik et al, 2002). Fruit yield increased 23% at 0.6% CaCl2 dose compared to the control dose.…”

Section: Fruit Yieldmentioning

confidence: 99%

CaCl2 Solution Sprayed on Leaves Changes the Nutrition and Qualitative Properties of Pomegranate (Punica granatum L. cv. Hicaznar)

Toprak

2021

Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi

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The purpose of this experiment was to define the influence of different doses of calcium chloride (CaCl2) applications on fruit yield, some quality properties, and nutrition of plant in Hicaznar pomegranate cultivar during 2016 and 2017 in Aydın (Turkey) ecological condition. In the study, 0.2, 0.4, 0.6, 0.8, and 1.0% solutions of calcium chloride (CaCl2) were applied by spraying except the control dose to the trees. The solution doses were twice applied during the fruit growing season in June and August. According to the results, fruit yield, peel thickness, fruit length, diameter, and weights were increased compared to control dose with CaCl2 applications. Foliar CaCl2 applications increased foliar Ca content by 60%. Concentrations of other plant nutrients other than N and Ca were decreased in parallel with increasing CaCl2 doses. Foliar P content was not affected in this case. As a result, the amount of CaCl2 solution to be applied to leaves in Hicaznar pomegranate was determined as 0.6%.

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“…Experimental results showed different effects of applying calcium fertilizers (Wojcik and Szwonek, 2002;Yuri et al, 2002;Lanauskas and Kvikliene, 2006). Common compounds which are used for calcium spraying are calcium chloride and calcium nitrate.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of pre-harvest foliar calcium applications on ‘Fuji’ apple fruit quality during cold storage

Ghorbani¹,

Bakhshi²,

Fallahi³

et al. 2017

Aust J Crop Sci

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In this study, calcium chloride (CaCl 2 ) and two organic calcium compounds including Calcicat® and Folical® and water (as control) were applied at four different spray programs (All-season, Early, Mid and Late season spray) at the Abhar region in Iran during 2012 and compared. 6-year-old 'Standard Fuji' trees grafted on 'MM106' rootstock were used in this study. All spray programs involved 6 biweekly sprays. Fruits harvested at commercial maturity stage and stored at commercial cold storage at 0 º C and RH 95%. Overall, all treated fruits received Late season CaCl 2 had higher Ca content, lower K/Ca and (K+Mg)/Ca ratios, and fruits treated with Folical Mid season had lower Ca, higher K/Ca and (K+Mg)/Ca ratios. Yield efficiency (No. of fruits per cm 2 trunk cross-sectional area (TCSA)) and fresh fruit weight was affected by preharvest treatments. Ca application resulted in reduced yield efficiency. SSC, TA and flesh firmness were affected by Ca application and spray programs at harvest and during 3 and 6 months storage. Control fruits in All-season spray program had highest content of SSC and fruits received CaCl 2 Early had lowest SSC at harvest. Folical Allseason resulted in fruits with higher acidity than its control. Fruits treated with Calcicat Early had lower acidity. During 3 and 6 months cold storage, SSC increased and TA decreased. During 6 months storage, Calcicat All-season had higher SSC. Fruits received early season CaCl 2 had more acidity than other treatments. All-season spray of Calcicat resulted in fruits with higher firmness than other treatments. The flesh firmness during 3 and 6 months storage decreased. According to the obtained data this reduction had not specific trend among treatments.

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The Efficiency of Different Foliar-Applied Calcium Materials in Improving Apple Quality

Cited by 9 publications

References 0 publications

Bitter pit in apples: pre- and postharvest factors: A review

Bitter pit in apples: pre- and postharvest factors: A review

CaCl2 Solution Sprayed on Leaves Changes the Nutrition and Qualitative Properties of Pomegranate (Punica granatum L. cv. Hicaznar)

Evaluation of pre-harvest foliar calcium applications on ‘Fuji’ apple fruit quality during cold storage

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