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  • Factors affecting fruit set and fruit quality along branch units of different apricot cultivars

    Author(s)
    Stanley, Jill
    Griffith University Author(s)
    Stanley, Jill
    Year published
    2016
    Metadata
    Show full item record
    Abstract
    Understanding the differences in fruit quality within apricot tree canopies is necessary before developing strategies to reduce variation. Fruit set, fresh weight (FW) and soluble solids and dry matter concentrations (SSC, DMC) were lower, by up to 30%, 28 g, 2.4% and 2.5%, respectively, in fruit from 1-year-old long shoots and terminal spurs or from short shoots and spurs on 4-year-old wood, than on those from 2- and 3-year-old wood, for the six genotypes examined. Genotype, year and wood age affected mealiness, gel development, rubberiness and/or juiciness in fruit after cold storage. Effects of position along the shoot, ...
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    Understanding the differences in fruit quality within apricot tree canopies is necessary before developing strategies to reduce variation. Fruit set, fresh weight (FW) and soluble solids and dry matter concentrations (SSC, DMC) were lower, by up to 30%, 28 g, 2.4% and 2.5%, respectively, in fruit from 1-year-old long shoots and terminal spurs or from short shoots and spurs on 4-year-old wood, than on those from 2- and 3-year-old wood, for the six genotypes examined. Genotype, year and wood age affected mealiness, gel development, rubberiness and/or juiciness in fruit after cold storage. Effects of position along the shoot, fruit number and fruiting node leaf area on fruit quality were examined for one cultivar. FW, SSC and DMC were higher in fruit on distal zones of 2-year-old wood, but were lower in fruit from distal zones of 1-year-old wood. Greater fruit number per shoot before thinning decreased FW on 2-year-old wood. On 1-year-old wood, there was an interaction between fruiting node leaf area, position and fruit FW. These results will assist in devising management techniques, such as differential thinning and pruning, to reduce fruit quality variation.
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    Journal Title
    New Zealand Journal of Crop and Horticultural Science
    Volume
    44
    Issue
    3
    DOI
    https://doi.org/10.1080/01140671.2016.1161652
    Subject
    Crop and pasture production
    Horticultural production not elsewhere classified
    Horticultural production
    Publication URI
    http://hdl.handle.net/10072/100179
    Collection
    • Journal articles

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