Some Factors Influencing Storage Ability of 'Jonagold' Apples

Piestrzeniewicz, C.; Tomala, K.

doi:10.17660/actahortic.2001.564.54

Cited by 8 publications

(6 citation statements)

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“…It was noted in the literature that application of calcium fertilizers may significantly decrease N/Ca and K/Ca ratios in fruit (Domagała-Świątkiewicz andBłaszczyk 2007, Casero et al 2009). Such changes generally have a positive impact on apple storage quality (Piestrzeniewicz and Tomala 2001). Similar tendencies were observed in our experiment: trees sprayed with calcium fertilizers produced fruit with lower potassium content and lower N/Ca, K/Ca and Mg/Ca ratios (Table 4).…”

Section: Resultssupporting

confidence: 88%

The effect of calcium foliar fertilizers on cv. Ligol apples

Lanauskas¹,

Kviklienė²,

Uselis³

et al. 2012

Plant Soil Environ.

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The effects of calcium fertilizers on cv. Ligol apples were studied in the experiment conducted at the Lithuanian Institute of Horticulture in 2007–2009. Fertilizers were applied four or eight times from June to September on the 8<sup>th</sup>–9<sup>th</sup> leaf of apple trees on P 22 rootstock. Calcium nitrate or liquid calcium fertilizers were used. The results differed over the years of experiment. During the first year, four applications of liquid calcium fertilizers significantly reduced the Mg/Ca ratio in fruit, whereas in 2008 the tendency of decrease in the ratios of K/Ca and Mg/Ca at both fertilizers was observed. The bitter pit incidence rate on stored apples of the 2007 yield was 1.5–3.0%. The eight applications of liquid calcium fertilizers significantly reduced the incidence of bitter pit after storage. In 2008, higher fruit calcium content and lower ratios of N/Ca, K/Ca, and Mg/Ca were detected. Moreover, these apples were not affected by bitter pit. The worse fruit quality of the 2007 yield could be linked to the abundant rainfall during 2007 vegetation season. However, the application of fertilizers had a positive effect on natural weight loss and fruit flesh firmness after storage.  

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Section: Resultssupporting

confidence: 88%

The effect of calcium foliar fertilizers on cv. Ligol apples

Lanauskas¹,

Kviklienė²,

Uselis³

et al. 2012

Plant Soil Environ.

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“…Higher content of fruit Ca on red-leaved rootstocks was demonstrated in other trials too (Słowińska, Tomala, 2001;Maas, Wertheim, 2004;Skrzyński, 2007). Along with high calcium content low K:Ca, Mg:Ca and N:Ca ratios are a prerequisite for good fruit storability (Sio et al, 1999;Piestrzeniewicz, Tomala, 2001;Casero et al, 2009). Red-leaved rootstocks tested in our trial in all cases demonstrated more desirable ratios.…”

Section: Discussionsupporting

confidence: 71%

Rootstock vigour and leaf colour affect apple tree nutrition

Kviklys

Lanauskas

Uselis

et al. 2017

Zemdirbyste-Agriculture

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Nutrient uptake and transport depend on the root system of a tree. Various apple rootstock genotypes may interact fruit tree nutrition. The effect of apple (Malus × domestica Borkh.) rootstocks (M.9, M.26, B.396, P22, P59, P61, P62, P66, P67, Pure 1 and PB.4) on the mineral nutrition of leaf and fruit was studied in 2013-2015. The leaf and fruit mineral concentration for nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), and leaf mineral content for copper (Cu), zinc (Zn), iron (Fe), manganese (Mn) and boron (B) were measured. Apple trees on semi-dwarf M.26 and dwarf P67 rootstocks accumulated more minerals in leaves and fruits. The highest negative deviation from optimal nutrient content was detected in leaves from trees on super-dwarf rootstock P59. Red-leaved rootstocks accumulated significantly more Ca in leaves and fruits of scion cultivar and determined significantly lower K, N and Mg ratios to Ca. Rootstock vigour had impact only on leaf Ca and Mg. More dwarfing rootstocks determined higher content of Ca and lower content of Mg. More vigorous rootstocks had positive effect on fruit K and P, while dwarfing on K, N and Mg ratios to Ca. Based on rootstock selectivity to accumulate certain minerals, by choosing the right rootstock genotype we can create orchards tolerant of unfavourable soil conditions.

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“…Although no fruit storage studies were conducted on this fruit, this ratio has previously been positively correlated with an increased susceptibility of British Columbia fruit to subsequent development of storage disorders (Wolk et al 1998). A high fruit K/Ca ratio has been identified as problematic in other fruitgrowing regions with K/Ca ratios less than 28/1 recommended for Jonagold growing in Poland (Piestrzeniewicz and Tomala 2001) and less than 30-35/1 for Golden Delicious in northern Italy (Drahorad and Aichra 2001). The high K/Ca ratios of Jonagold fruit in our study, especially in [2001][2002], indicate that foliar application of Ca, regardless of treatment, would have been desirable.…”

Section: Fruit Yield and Qualitymentioning

confidence: 99%

Response of high density apple orchards on coarsetextured soil to form of potassium applied by fertigation

Neilsen¹,

Neilsen²

2006

Can. J. Soil. Sci.

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This study tested the effects of fertigated potassium sources on orchard cation status. A randomized, complete block experimental design was maintained from 2000 to 2003, in a high density ‘Jonagold’/M.9 apple (Malus × domestica Borkh.) orchard planted in 1993 on a loamy sand. Seven K-fertigation treatments included annual application of either no K (control), 15 g K/tree as either potassium chloride or potassium magnesium sulphate (KMag) or 30 g K/tree as potassium chloride, KMag, potassium sulphate or potassium thiosulphate, applied daily during 6 wk midsummer to six replicate, four-tree plots. Fertigated K-forms did not affect yield, but increased soil K after 3 yr to 30-cm depth beneath the drip emitters. This increased leaf and fruit K concentrations. Fruit K/Ca ratio was also increased by K-fertigation. A high incidence of bitter pit at harvest was unaffected by fertigating K, but rather was associated with low harvest fruit Ca concentration and large fruit size. KMag increased soil Mg availability, but leaf and fruit Mg concentrations were slightly affected, indicating the difficulties of improving apple Mg status when co-applying K. Leaf and fruit Ca concentrations were minimally affected by treatments. Soil Ca declined slightly after 3 yr of K fertigation. Key words: Bitter pit, calcium, chloride, magnesium, Malus × domestica, sulphate, thiosulphate

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Some Factors Influencing Storage Ability of 'Jonagold' Apples

Cited by 8 publications

References 0 publications

The effect of calcium foliar fertilizers on cv. Ligol apples

The effect of calcium foliar fertilizers on cv. Ligol apples

Rootstock vigour and leaf colour affect apple tree nutrition

Response of high density apple orchards on coarsetextured soil to form of potassium applied by fertigation

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