Effect of Temperature Regime and Soil Moisture Level on Fruit Quality of 'Summer Queen' Passionfruit (Passiflora edulis*P. edulis f. flavicarpa)

DOI
  • MACHA Mustad Maulid
    <I>Faculty of Agriculture, Sokoine University of Agriculture</I>
  • CHOWDHURY Abul Kashem
    <I>Faculty of Genetics and Plant Breeding, Patuakhali Science and Technology University</I>
  • NOMURA Keiichi
    <I>Faculty of Agriculture, Kobe University</I>
  • IDE Mai
    <I>Faculty of Agriculture, Kobe University</I>
  • YONEMOTO Yoshimi
    <I>Tropical Fruit Laboratory, Okinawa Subtropical Station, Japan International Research Center for Agricultural Sciences</I>

Bibliographic Information

Other Title
  • 気温と土壌水分がパッションフルーツ‘サマークイーン’ (<I>Passiflora edulis×P. edulis</I> f. <I>flavicarpa</I>) の果実品質に及ぼす影響

Description

The high acidity of‘Summer Queen’passionfruit (Passiflora edulis × P. edulis f. flavicarpa) in the winter season lowers the taste and affects the acceptability to consumers. The present study was conducted to determine whether a high temperature regime and a high soil moisture level could improve the fruit quality by reducing the acidity in the winter season. Potted plants were grown in three different greenhouses where the maximum/minimum temperatures were 27.3/20.7°C (high), 25.3/19.4°C (medium), and 24.0/16.3°C (low) combined with three different soil moisture levels: high (around 18%), moderate (around 13%) and low (around 7%) by the application of irrigation at different intervals in a plastic house located at Ishigaki, Okinawa, Japan, to examine the fruit acidity at maturity in winter. The acid content was the highest under low temperature conditions combined with a low soil moisture level, and the lowest at a high temperature combined with a high soil moisture level. Since a high temperature accelerated fruit development, the peak of the acid content was observed at 50-55 days after pollination (DAP), while at 60-65 DAP under medium and low temperature regimes. Low soil moisture level delayed the peak of fruit acidity by 5 days irrespective of the temperature regimes. The number of days required to maturity were 60 to 75 DAP under high temperature conditions, 70 to 85 DAP under medium and low temperature conditions. Citric acid was the main organic acid in the juice of‘Summer Queen’passionfruit and the titratable acidity was correlated with the content of citric acid.

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Details 詳細情報について

  • CRID
    1390001206359690624
  • NII Article ID
    130004373962
  • DOI
    10.11248/jsta1957.50.70
  • ISSN
    21850259
    00215260
  • Text Lang
    en
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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