Mineral composition of apples. VII.—The relationship between fruit composition and some storage disorders

Perring, M. A.

doi:10.1002/jsfa.2740190404

Cited by 66 publications

(28 citation statements)

References 10 publications

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“…High fruit Ca concentrations were also observed in 1994 when average FM was large, exceeding 200 g (Table 1). These results imply that Gala apple is an excellent accumulator of Ca, which is so important to fruit quality (Perring 1968). Furthermore, fruit Ca concentrations appeared to be little affected by increased rates of N fertilizer or alterations in orchard-floor vegetation-management practice.…”

Section: Table 3 Average Fruit N P K and Ca Of Gala Apple At Harvementioning

confidence: 63%

Nitrogen fertilization and orchard-floor vegetation management affect growth, nutrition and fruit quality of Gala apple

Neilsen¹,

Hogue²,

Meheriuk³

1999

Can. J. Plant Sci.

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M. 1999. Nitrogen fertilization and orchard-floor vegetation management affect growth, nutrition and fruit quality of Gala apple. Can. J. Plant Sci. 79: 379-385. Gala apple (Malus × domestica Borkh) trees on M.26 rootstock planted in 1989, were subjected to a factorial combination of treatments involving two N fertilizations (N1 and N2) and two orchard-floor vegetation-management treatments (V1 and V2), 1990-1995. Single annual, spring-broadcast application of N at 80 kg ha -1 were made at N1, while N2-treatments involved split N applications of either 2 × 100 kg ha -1 (1990)(1991)(1992)(1993) or 3 × 80 kg ha -1 (1994)(1995). Herbicide strips (1.5-m width) were maintained free of orchard-floor vegetation year-round (V1) or annually until mid-July (V2). The high N regime (N2) increased leaf and fruit N concentration and decreased fruit P and leaf and fruit K concentrations but had few negative effects on fruit quality, decreasing harvest fruit ground red color in 2 yr and firmness in a single year and titratable acidity of stored fruit in 2 yr. Increased tree yield was measured at N2 only in 1995. Greater vegetation competition in the V2 treatment decreased yield in 1991-1992 and cumulative yield for 1991-1995 but had few effects on leaf and fruit N concentrations. Leaf and fruit K concentrations were generally increased at V2 as was titratable acidity of stored fruit. Fruit from V2 treatments had increased red ground color (2 yr) and increased firmness at harvest (3 yr) or after storage (2 yr) but decreased soluble solids at harvest (2 yr). Fruit was free of disorders and had a high Ca concentration regardless of treatment or year implying Gala apple is a good Ca accumulator.Key words: Malus × domestica, leaf and fruit N, P and K, fruit Ca, yield, fruit firmness. Neilsen, G. H., Hogue, E. J. et Megheriuk, M. 1999. Effet de la fumure azotée et de la conduite de la graminée couvre-sol (dactyle pelotonné) sur la croissance et sur l'état nutritionnel des pommiers 'Gala' ainsi que sur la qualité des fruits. Can. J. Plant Soil Sci. 79: 379-385. Des pommiers 'Gala' (Malus × domestica Borkh) greffés sur M.26 installés en 1989 ont été exposés, en combinaisons factorielles à deux intensités de fumure N (N1 et N2) et à deux modalités de conduite du dactyle pelotonné utilisé comme couvre-sol (V1 et V2). L'azote était apportée, soit en un épandage à la volée annuel de 80 kg ha -1 au printemps (N1), soit en épandages fractionnés, deux de 100 kg ha -1 (1990-1993) ou trois de 80 kg ha -1 (1994)(1995). Des bandes de 1,5 m de largeur sur la ligne de plantation étaient maintenues chimiquement désherbées toute l'année (V1) ou chaque année jusqu'à la mi-juillet (V2). Le régime supérieur de fumure N (N2) donnait lieu à un accroissement de la teneur en N des feuilles et du fruit, mais à une diminution de leurs teneurs en K, ainsi que de la concentration de P dans les fruits après 90 jours de conservation. Il n'avait que peu d'effets négatifs sur la qualité des fruits, réduisant l'intensité de la coloration de fond rouge à la récolte ...

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Section: Table 3 Average Fruit N P K and Ca Of Gala Apple At Harvementioning

confidence: 63%

Nitrogen fertilization and orchard-floor vegetation management affect growth, nutrition and fruit quality of Gala apple

Neilsen¹,

Hogue²,

Meheriuk³

1999

Can. J. Plant Sci.

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“…Workers at East MaIling, Kent (Perring 1968;Sharples 1968) (1975) have also analysed some samples of Southern Hemisphere fruit that were exported to the U.K., and suggested that similar threshold calcium concentrations applied to these fruit. Das & van del' Boon (1972), working in the Netherlands with 'Cox's Orange Pippin', found that the limits of fruit composition beyond which no fruit might be expected to develop pit was 0.044% CaO.…”

Section: Introductionmentioning

confidence: 99%

Prediction of bitter pit with calcium content of apple fruit

Wills¹,

Scott²,

Lyford³

et al. 1976

New Zealand Journal of Agricultural Research

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“…Apart from Ca content, the storage ability of apple fruits significantly depend on the content of other macroelements: primarily on P and K in apple fruits [27]. If the P content of apple fruits falls below the value of 9 mg/100g of fruit, there is also a big danger of bitter spots occurring, especially in conditions when Ca content in apple fruits is very low [28].…”

Section: Methodsmentioning

confidence: 99%