High-frequency in vitro flowering of Murraya paniculata (L.) Jack

Jumin, Hasan Basri; Ahmad, Mukhtar

doi:10.1007/s002990050657

Cited by 25 publications

(7 citation statements)

References 16 publications

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“…The stimulation of in vitro flowering by cytokinins has been reported for a number of diverse plant species, including Pharbitis nil (Galoch et al, 2002); Murraya paniculata (Jumin and Ahmad, 1999); Cymbidium spp. (Kostenyuk et al, 1999;Chang and Chang, 2003); Zantedeschia spp.…”

Section: Discussionmentioning

confidence: 96%

In vitro flowering of Kniphofia leucocephala: influence of cytokinins

Taylor

Light

Staden

2005

Plant Cell Tiss Organ Cult

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The role of cytokinins in the promotion of flowering in the endangered species Kniphofia leucocephala Baijnath. was investigated using shoots maintained in culture for 3 years. The highest percentage flowering (65%) was obtained on media containing 20 lM benzyladenine (BA). The inclusion of isopentenyladenine and zeatin in the media also resulted in flowering, but these treatments were less effective than BA in inducing flowering. The effect of cytokinins on flowering was dose-dependent, with high concentrations of BA inhibiting flower formation. Treatments that resulted in rooting of explants produced no flowers. The resulting inflorescences in all treatments did not mature and senesced prematurely, even when gibberellic acid (GA 3 ) was applied post-flower-emergence.

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Section: Discussionmentioning

confidence: 96%

In vitro flowering of Kniphofia leucocephala: influence of cytokinins

Taylor

Light

Staden

2005

Plant Cell Tiss Organ Cult

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“…ginseng (Chang and Hsing, 1980), Phaleanopsis (Duan and Yazawa, 1995), rattan (Ramanayake, 1999), and Murraya paniculata (Jumin and Ahmad, 1999). Coconut water, also known to contain cytokinins, was once thought to be the cause of in vitro flowering when it was first reported in bamboo (Nadgauda et al, 1990).…”

Section: Shoot Proliferation and Flowering In Bamboomentioning

confidence: 97%

Axillary shoot proliferation and in vitro flowering in an adult giant bamboo, Dendrocalamus giganteus Wall. Ex Munro

Ramanayake

Wanniarachchi

Tennakoon

2001

In Vitro Cell.Dev.Biol.-Plant

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Continuous axillary shoot proliferation and in vitro flowering were achieved using single node explants from a mature (over 70-yr-old) field clump of Dendrocalamus giganteus (giant bamboo). The shoots proliferated in a basal Murashige and Skoog medium with 6 mg l 21 (26.6 mM ) N 6 -benzyladenine (BA) and 2% sucrose. The rate of shoot proliferation gradually increased to over three-fold before in vitro flowering took place. In vitro flowering was not the expression of a speciesspecific mechanism believed to occur during gregarious flowering, as the mother clump did not flower. The rate of shoot proliferation decreased at flowering, accompanied by reversion of flowering. The development of axillary meristems into vegetative or generative shoots depended on the level of BA. The possible role of BA, changes in the rate of shoot proliferation leading to build up, and release of stress in relation to flowering and its reversion are discussed.

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“…In vitro production of flowers is especially important for ornamental plants such as orchids (Hee et al 2007), roses (Kanchanapoom et al 2010b), jasminum (Jumin and Ahmad 1999), bamboo (John and Nadgauda 1999;Lin et al 2003;Ramanayake et al 2001), among others (Bodhipadma et al 2011;Hu et al 2010;Kanchanapoom et al 2010a;Taha et al 2010). In these species, early in vitro flowering of micropropagated plantlets shortens the breeding cycle to meet market demands.…”

Section: Introductionmentioning

confidence: 99%

In vitro flowering and production of viable pollen of cucumber

Kiełkowska

Havey

2011

Plant Cell Tiss Organ Cult

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Flowers were produced on sterile cucumber (Cucumis sativus L.) plants grown in vitro from seed and micropropagated shoots from stem fragments. The highest numbers of flowers on plants from both sources were produced on Murashige and Skoog (MS) medium without plant growth regulators (PGR), as well as with 6 lM of kinetin (Kin). Plants cultured on MS medium supplemented with 8.9 lM benzyladenine (BA) and 1.1 lM 1-naphthaleneacetic acid (NAA) did not flower. In vitro grown plants produced fewer, smaller flowers compared with greenhouse-grown plants. Male and female flowers developed on plants grown in vitro from seed and were morphologically similar to flowers on greenhouse grown plants. Micropropagated shoots produced male flowers with altered morphology. The highest viability (72.9 ± 4.2%) and germination (69.5 ± 4.1%) of pollen were observed for plants grown from seed on MS medium supplemented with 6 lM Kin. Cytological observations of meiosis in anthers of male flowers from in vitro grown plants revealed abnormalities, such as monads, dyads, triads, polyads, microcytes and degeneration of tetrads, causing reduced viability and germination of pollen. The fewest meiotic irregularities in pollen mother cells were observed in plants grown on MS medium that was PGRfree (12.1 ± 0.9%) or with 6 lM Kin (20.9 ± 1.7%).

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High-frequency in vitro flowering of Murraya paniculata (L.) Jack

Cited by 25 publications

References 16 publications

In vitro flowering of Kniphofia leucocephala: influence of cytokinins

In vitro flowering of Kniphofia leucocephala: influence of cytokinins

Axillary shoot proliferation and in vitro flowering in an adult giant bamboo, Dendrocalamus giganteus Wall. Ex Munro

In vitro flowering and production of viable pollen of cucumber

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