Spatial Analysis of the Canopy of Kiwifruit Vines as it Relates to the Physical, Chemical and Postharvest Attributes of the Fruit

Smith, G. S.; Gravett, I. M.; Edwards, C. M.; Curtis, J.P.; Buwalda, J. G.

doi:10.1006/anbo.1994.1012

Cited by 55 publications

(34 citation statements)

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“…Fruit were selected from positions on the vines which were expected to show the greatest differences in SSC and firmness during storage, based on previous studies (Hopkirk et al 1986;Hopkirk 1987;Smith et al 1992Smith et al , 1994. The experimental design required fruit to be located in each of six positions in a quadrant (NE, SE, SW, NW) of the vine.…”

Section: Selection Of Vines and Canesmentioning

confidence: 99%

“…Centre of vine (Hopkirk et al 1986;Pyke et al 1986;Hopkirk 1987;Smith et al 1994). Smith et al (1992Smith et al ( ,1994 reported that fruit from three vines growing on a pergola training system had higher SSC after 12 weeks of storage at 0°C than those from three adjacent T-bar vines.…”

Section: End Of Leadermentioning

confidence: 99%

“…At this time, (12 weeks of storage) the SSC of fruit varied depending on fruit position on the vine, with similar patterns of variation to those reported at harvest (Hopkirk et al 1986;Pyke et al 1986). However, differences in fruit characteristics from different quadrants of the vines and relationships between soluble solids and groups of mineral elements were also found (Smith et al 1994).…”

Section: Introductionmentioning

confidence: 98%

“…Predicted differences in SSC between fruit from the two extreme positions were 0.60% on T-bar vines and 0.45% on pergola vines for fruit harvested at 5.5-5.8% SSC (Hopkirk et al 1986), and this difference has been reported to increase during storage (Hopkirk 1987). Smith et al (1992Smith et al ( , 1994 investigated the influence of fruit position on the vine on fruit characteristics at one time during storage by measuring attributes of every fruit on six vines, three pergola and three T-bar, growing in a single orchard block. At this time, (12 weeks of storage) the SSC of fruit varied depending on fruit position on the vine, with similar patterns of variation to those reported at harvest (Hopkirk et al 1986;Pyke et al 1986).…”

Section: Introductionmentioning

confidence: 99%

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Variation in harvest and storage quality of fruit from different positions on kiwifruit vines

Pyke

Hopkirk

Alspach

et al. 1996

New Zealand Journal of Crop and Horticultural Science

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The storage quality of fruit from six positions on kiwifruit (Actinidia deliciosa) vines was investigated using fruit from both pergola and T-bar trained vines growing in three districts in one season. The positions were expected to provide fruit which exhibited the greatest differences in soluble solids concentrations (SSC) and flesh firmness at harvest and during storage. Effects of fruit position on SSC were reasonably consistent between 1 To whom correspondence is to be addressed. H95050 Received 25 July 1995; accepted 19 September 1995orchards, and between fruit at harvest and after coolstorage. In general, SSC tended to be higher in fruit from the ends of the leader than in fruit from nearer the centre of the vine. Fruit from the proximal ends of canes, near the leader, tended to have higher SSC than fruit from the distal ends of the canes, particularly for T-bar vines. For fruit near the leader, fruit from canes contained higher SSC than fruit from spurs, particularly in pergola orchards. In the two districts where comparisons between training systems could be made, fruit from T-bar-trained vines tended to have higher SSC than fruit from pergolas. Relationships between fruit firmness and fruit position were not so clear. Fruit from canes were, on average, firmer than fruit from spurs at harvest, but not after 18 weeks of storage. However, fruit from canes or spurs originating at the ends of the leaders were on average firmer after storage (but not at harvest) than fruit from fruitful wood which originated near the centre of the vine. Neither of these effects were consistent for fruit from all five orchards. A simple relationship between fruit position and fruit firmness was not observed consistently across the different orchards, or in fruit at harvest and in storage.

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Section: Selection Of Vines and Canesmentioning

confidence: 99%

Section: End Of Leadermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

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Variation in harvest and storage quality of fruit from different positions on kiwifruit vines

Pyke

Hopkirk

Alspach

et al. 1996

New Zealand Journal of Crop and Horticultural Science

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“…Artificial shading of individual fruits of kiwifruit similarly reduces flesh firmness, soluble solids concentration, and dry matter (DM) concentration at harvest (Tombesi et al 1993). However, the data of Smith et al (1994) imply that low light levels do not always reduce fruit quality of kiwifruit. In that study, fruit with the highest soluble solids concentration (after 12 weeks of storage) were located near the cordon, in the denser parts of the canopy.…”

Section: Introductionmentioning

confidence: 99%

Relationship between canopy density and fruit quality of kiwifruit

Snelgar

Hopkirk

Seelye

et al. 1998

New Zealand Journal of Crop and Horticultural Science

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The influence of canopy density on fruit quality was investigated during 2 years in two commercial kiwifruit (Actinidia deliciosa 'Hayward') orchards in Te Puke, New Zealand. One orchard had a history of producing fruit which store well, whereas the other tended to have a dense canopy, and high losses of fruit during coolstorage. In each orchard we adjusted pruning regimes to produce open, or dense canopies, with mean leaf area index (LAI) values ranging from 3.0 to 5.5. There was a tendency for vines with dense canopies to have more premature fruit drop and more soft fruit on the vine at harvest; reduced accumulation of dry matter in fruit during maturation; fruit with lighter, more vivid, more yellow/brown skin; lighter, less vivid, and less †All correspondence to senior author. H96023 Received 3 May 1996; accepted 14 May 1998green flesh; reduced fruit firmness after long-term storage; increased fruit losses during storage because of stem end rots; and fruit with different textural properties, but similar flavour and aroma. However, in many instances differences were found between fruit from the two orchards which could not be attributed to variations in canopy density. Although some of the effects related to canopy density were statistically significant, most were small and probably not of commercial importance.

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Internal versus external control of calcium nutrition in kiwifruit

Montanaro

Dichio

Lang³

et al. 2014

J. Plant Nutr. Soil Sci.

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Higher calcium (Ca) concentration in several fleshy fruit including kiwifruit is a pre-requisite for\ud lower incidence of Ca-related diseases and improved fruit nutritional value. This review examines\ud the internal and external factors operating along the soil-to-fruit pathway that are involved in\ud the uptake and partitioning of Ca in kiwifruit vines. After a brief description of fruit growth and the\ud dynamic of nutrient accumulation during fruit development, the review considers the role of soil\ud Ca concentration and availability, root elongation, mass flow in the apoplast, fruit transpiration,\ud competition between fruit and highly transpiring leaves, weather variables and soil moisture.\ud How fruit morphological and anatomical traits, including skin anatomy, xylem development and\ud hydraulic resistance, influence physiological processes such as transpiration and impact on Ca\ud accumulation is also discussed. The review highlights that approximately 80% of the total Ca\ud content of fruit is accumulated during the early weeks after fruit-set, suggesting that failure of\ud good fruit Ca nutrition at that time may lead to poor fruit Ca content at harvest. Therefore, based\ud on the analysis of the internal and external factors that influence Ca accumulation, recommendations\ud are made for orchard practices that maximize Ca accumulation in the kiwifruit berry, including\ud optimal pollination, nutrient and irrigation management, and manipulation of canopy architecture

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Spatial Analysis of the Canopy of Kiwifruit Vines as it Relates to the Physical, Chemical and Postharvest Attributes of the Fruit

Cited by 55 publications

References 0 publications

Variation in harvest and storage quality of fruit from different positions on kiwifruit vines

Variation in harvest and storage quality of fruit from different positions on kiwifruit vines

Relationship between canopy density and fruit quality of kiwifruit

Internal versus external control of calcium nutrition in kiwifruit

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