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The Effect of 8-Hydroxyquinoline Sulphate and Gibberellic Acid on Postharvest Viola odorata L. Leaf Longevity

Author

Listed:
  • Maria P. Ulczycka-Walorska

    (Voivodeship Plant Health and Seed Inspection, 60-166 Poznań, Poland)

  • Agnieszka Krzymińska

    (Department of Ornamental Plants, Dendrology and Pomology, Poznań University of Life Sciences, 60-637 Poznań, Poland)

Abstract

The aim of the study was to evaluate the postharvest longevity of cut leaves of Viola odorata and determine their usefulness as a florist green. The research also involved the study of the influence of chemical compounds used as plant preservatives on the longevity of leaves of V. odorata . The leaf stalks of V. odorata were soaked in water or conditioned in a 200 mg·dm −3 solution of 8–hydroxyquinoline sulphate, or a 50 or 100 mg·dm −3 solution of gibberellic acid. After one day, the leaves were kept in water or 200 mg·dm −3 of 8–hydroxyquinoline sulphate. The leaves of V. odorata had a longevity of about 31 days in water. Both the conditioning in gibberellic acid and 8–hydroxyquinoline sulphate and the maintenance in 8–hydroxyquinoline sulphate reduced the vase life of cut V. odorata leaves. The application of conditioners resulted in a significantly greater reduction of the leaf mass. The Soil Plant Analysis Development value of the leaves was best affected by conditioning them in 100 mg·dm −3 gibberellic acid followed by keeping them in water. Cut leaves of V. odorata with water treatment may be used as a florist green.

Suggested Citation

  • Maria P. Ulczycka-Walorska & Agnieszka Krzymińska, 2022. "The Effect of 8-Hydroxyquinoline Sulphate and Gibberellic Acid on Postharvest Viola odorata L. Leaf Longevity," Agriculture, MDPI, vol. 12(2), pages 1-6, February.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:2:p:247-:d:745049
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    Keywords

    vase life; 8HQS; GA 3 ; Viola odorata;
    All these keywords.

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