Influence of paclobutrazol on early flowering and aesthetic value of China aster (Callistephus chinensis L. Nees).

Mishra, Devesh; Mishra, H. R.; Yadava, L.P.

doi:10.37855/jah.2005.v07i01.09

Cited by 5 publications

(3 citation statements)

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“…Paclobutrazol has demonstrated to provide height control in a large number of floriculture crops, including several flowering potted plants (Faust et al, 2001;Bañón et al, 2002;Meijon et al, 2009;Currey and Lopez, 2010;Newton and Runkle, 2010;Larcher et al, 2011;Wahyuni et al, 2011). In addition, PBZ has been reported to increase plant ornamental value by enhancing flowering (Mishra et al, 2005;Thompson et al, 2005) and foliage colour (Bañón et al, 2001(Bañón et al, , 2002(Bañón et al, , 2003Mansuroglu et al, 2009;Meijon et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Effect of paclobutrazol in potted plants of four cultivars of Dianthus barbatus × chinensis

Lenzi¹,

Nannicini²,

Mazzeo³

et al. 2015

Europ.J.Hort.Sci.

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What is already known on this subject?• It was previously demonstrated that PBZ is effective in controlling plant height and enhancing colour of a large number of floriculture crops. However, different species have their own needs as to way of application (spray or substrate drench) and appropriate dosage.What are the new findings?• The study showed that PBZ as a substrate drench reduces plant height and enhances foliage colour in potted Dianthus barbatus × chinensis, a species at present cultivated as a cut flower. Appropriate dosage ranges from 0.5 to 1 mg a.i. per pot depending on pot size, cultivar and season.What is the expected impact on horticulture?• The ornamental plant market is characterized by being eager for novelties. Therefore, the use of Dianthus barbatus × chinensis as a new flowering pot crop, which is made possible by height control, may represent an opportunity for growers.

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Section: Introductionmentioning

confidence: 99%

Effect of paclobutrazol in potted plants of four cultivars of Dianthus barbatus × chinensis

Lenzi¹,

Nannicini²,

Mazzeo³

et al. 2015

Europ.J.Hort.Sci.

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“…However, in the same study, application of 2-chloroethylphosphonic acid at higher levels also decreased plant height but increased flower yield (Haque et al, 2007). China aster (Callistephus chinensis L. Nees) was found to produce fewer flowers at higher dosages of paclobutrazol (Mishra et al, 2005). In Lupinus varius L., days to flowering and number of flowers were negatively impacted at higher dosages of paclobutrazol by drench while time to flowering was positively impacted at the highest dosage by spray (Karaguzel et al, 2004).…”

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confidence: 79%

Spray and Drench Treatments of Paclobutrazol Influence Growth of Dissotis and Tibouchina

Hawkins¹,

Ruter

Robacker

2015

horts

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Dissotis rotundifolia (Sm.) Triana and Tibouchina fothergillae ×pilosa are members of the Melastomataceae family with high ornamental potential. The growth habits of these species are not ideal for nursery production or shipping. D. rotundifolia grows rapidly and needs frequent pruning. T. fothergillae ×pilosa has an open growth habit and could benefit from a more compact form. The effect of the plant growth regulator (PGR) paclobutrazol on D. rotundifolia and T. fothergillae ×pilosa was assessed to determine whether it could produce plants with a more compact growth habit. Paclobutrazol was applied as a drench and a spray. Drench application was more effective in reducing the growth of both species. Spray application was effective in reducing the growth of D. rotundifolia but was not effective on T. fothergillae ×pilosa. Neither drench nor spray application delayed or reduced flowering in D. rotundifolia. T. fothergillae ×pilosa did not flower during the study. For both D. rotundifolia and T. fothergillae ×pilosa, neither drench nor spray application had an effect on root dry weight. Low-to-medium dosages were effective at controlling plant growth in D. rotundifolia and T. fothergillae ×pilosa without adverse effects on plants. Drench treatments have more persistent effects on plant growth than spray treatments.

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“…A similar increase in the number of lateral branches has been recorded in Barleria cristata (Nichal, 2010), Chinese aster cv. 'Poornima' (Mishra and Mishra, 2006), 'Sardinia' (Singh et al, 2016;Abd El-Aal and Mohamed, 2017). Pinching can be defined as the removal of part of the stem, including the shoot tip, in order to reduce the plant's height, eliminate apical dominance, and thus encourage lateral branching (Reiss-Bubenheim and Lewis, 1986;Mutlu and Ağan, 2015).…”

Section: Number Of Side Branches (Number Plant -1 )mentioning

confidence: 99%

Determining of the effects of paclobutrazol treatments on seedling height control of wild Gypsophila bicolor (Freyn & Sint.) Grossh

PARLAKOVA KARAGOZ,

DURSUN,

KOTAN

2023

Not Bot Horti Agrobo

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Within the scope of this study, seeds were collected from Gypsophila bicolor (Freyn&Sint.) Grossh plants in their natural environment and two different locations (Turkey). The research was carried out to determine the effects of paclobutrazol applied at different concentrations (0.6, 0.9, 1.2, 1.5- and 2.0-ml L-1) on the seedling height control in the cotyledon leaf stage of G. bicolor. As a result of the study, it was determined that the decrease in the number of leaves per plant was determined at a dose of 1.2 mg L-1 paclobutrazol. The effect of paclobutrazol treatments on the seedling height control of G. bicolor changed according to the genotype as well as the dose. As the dose of paclobutrazol applied increased, the number of side branches decreased. It was determined that the seedling stem thickness increased in 47.71% with the dose of 2.0 mg L-1 when compared to the control treatment. The application in which the highest chlorophyll (SPAD) value was obtained from the application with a dose of 1.5 mg L-1. The chlorophyll value of G2 (Genotype 2 (ERZ) (G2)) was higher than that of G1 (Genotype 1 (VAN)). Seedling biomass of G1 increased in 15.87% in 1.2 mg L-1 treatment when compared to control. In the present study, darker green leaves were obtained from the highest dose of paclobutrazol, 2.0 mg L-1. As a general result, it was concluded that 1.5 mg L-1 dose of paclobutrazol was sufficient for both genotypes for plant height control in the seedling period.

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Influence of paclobutrazol on early flowering and aesthetic value of China aster (Callistephus chinensis L. Nees).

Cited by 5 publications

References 0 publications

Effect of paclobutrazol in potted plants of four cultivars of Dianthus barbatus × chinensis

Effect of paclobutrazol in potted plants of four cultivars of Dianthus barbatus × chinensis

Spray and Drench Treatments of Paclobutrazol Influence Growth of Dissotis and Tibouchina

Determining of the effects of paclobutrazol treatments on seedling height control of wild Gypsophila bicolor (Freyn & Sint.) Grossh

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