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Effect of Superabsorbent Polymer and Potassium Silicate on Morphophysiological and Biochemical Characteristics of Daffodil (Narcissus tazetta L. cv. Shahla) Flower under Irrigation Regimes
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Yahya Mashahiri   , Moazzam Hassanpour Asil , Mohammad Reza Khaledian , Mohammad Bagher Farhangi |
| University of Guilan |
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Abstract: (552 Views) |
To evaluate the effect of superabsorbent polymer and potassium silicate on improving drought stress resistance and morpho-physiological characteristics of daffodil (Narcissus tazetta L. cv. Shahla), a factorial experiment was conducted with a completely randomized design. The results showed that the effect of superabsorbent at 6 g kg-1 soil and 1 mM potassium silicate treatment, decreased the time to flowering by 13.32 and 9.1 days, respectively. The maximum flowering stem height (30.24 cm) related to the treatment of superabsorbent at 6 g kg-1 soil was 33.26 cm and the treatment of 1 mM potassium silicate. The treatment of superabsorbent 6 g kg-1 soil and 1 mM potassium silicate increased the vase life by 5.04 and 2.44 days, respectively, compared to the control. The highest amount of chlorophyll was 0.183 and 0.180 mg-1 g FW in the treatment of superabsorbent 6 g kg-1 soil and 1 mM potassium silicate, respectively. Simultaneous application of superabsorbent 6 g kg-1 soil and farm capacity (50%), decreased proline by 0.138 µmol g-1 FW and decreased catalase activity by 1.72 Umg-1 FW was compared to the non-treatment of the superabsorbent polymer in the condition of farm capacity (50%). In general, the best results for improving all characteristics of Narcissus tazetta were obtained with the application of 6 g kg-1 soil superabsorbent polymer and 1 mM potassium silicate.
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| Keywords: Catalase enzyme, Proline, Regimes irrigation, Total soluble sugar, Vase life |
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Full-Text [PDF 1024 kb]
(147 Downloads)
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Type of Study: Research |
Subject:
Ornamental plants
Received: 2022/05/2 | Accepted: 2022/11/6 | Published: 2024/03/16
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