The Influence of 1-Triacontanol on the growth, flowering, and quality of potted bougainvillea plants (Bougainvillea glabra var. "Elizabeth Angus'') under natural conditions

Khandaker, M.M.; Faruq, G.; Rahman, M.M.; Sofian-Azirun, M.; Boyce, A.N. (2013) The Influence of 1-Triacontanol on the growth, flowering, and quality of potted bougainvillea plants (Bougainvillea glabra var. "Elizabeth Angus'') under natural conditions. Scientific World Journal, 2013. ISSN 1537-744X

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    Abstract

    Selected physiological and biochemical parameters were monitored at the vegetative and reproductive growth stages in potted Bougainvillea plants treated with five different concentrations of TRIA. Advanced flowering, flower bud number, and blooming rate increased significantly with 0.5 and 1.0 mg/L TRIA treatments. Similarly, photosynthetic rate, pigment content, quantum yield, and stomatal conductance increased significantly with 2.5, 1.0, and 5.0 mg/L TRIA treatments. Higher levels of N, P, and K, as well as increased total soluble solids (TSS) and higher sugar and protein contents, were recorded in treated plants. Furthermore, 46 more flowers, a 1.5-fold increase in bract weight, increased longevity, and 40 less leaf abscission were recorded following 2.5 mg/L TRIA treatment. Phenol and flavonoid contents, sucrose phosphate synthase (SPS), and antioxidant activities were also markedly increased with 2.5 and 1.0 mg/L TRIA treatments. However, ethylene production was significantly lower in the treated plants. Positive correlations were observed between leaf TSS and flowering time and flower number, between leaf sugar content and bract weight, and between net photosynthesis and bract growth and dry matter production. It can be concluded that the foliar spray of TRIA stimulates growth, enhances flowering, and improves the quality of potted Bougainvillea plants.

    Item Type: Article
    Creators:
    1. Khandaker, M.M.
    2. Faruq, G.
    3. Rahman, M.M.
    4. Sofian-Azirun, M.(Institute of Biological Sciences, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA)
    5. Boyce, A.N.
    Journal or Publication Title: Scientific World Journal
    Uncontrolled Keywords: Oryza-sativa l. erythrina-variegata triacontanol photosynthesis rice maize yield 9-beta-l(+)-adenosine substances regulator 1 triacontanol alkanol flavonoid phenol phosphate sucrose unclassified drug 1-triacontanol fatty alcohol abscission antioxidant activity article biomass production Bougainvillea glabra bract flowering growth curve nonhuman photosynthetic rate plant plant growth protein content quality control quantum yield stomatal conductance flower growth, development and aging metabolism Nyctaginaceae physiology Fatty Alcohols Flowers
    Subjects: Q Science > QH Natural history > QH301 Biology
    Divisions: Faculty of Science > Institute of Biological Sciences
    Depositing User: miss munirah saadom
    Date Deposited: 16 Jul 2014 08:04
    Last Modified: 16 Jul 2014 08:04
    URI: http://eprints.um.edu.my/id/eprint/10945

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