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Dissertations / Theses on the topic 'Plant cuttings – Rooting'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

Karsen, P. A. "Rooting of buchu cuttings (Genus : Agathosma)." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53578.

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Copies no. 3007841664 and 3007841665 are photocopies of the original.<br>Thesis (MScAgric)-- University of Stellenbosch, 2003.<br>ENGLISH ABSTRACT: Buchu (Agathosma betulina and A. crenulata) are grown commercially as an aromatic crop and are endemic to the Western Cape of South Africa. Poor rooting of cuttings have limited the development of superior clones. Under standard mist bed conditions terminal, sub-terminal or basal stem cuttings were taken from March to August. When not treated with an auxin, rooting percentages of between 20 and 25 were obtained. Rooting percentages increased

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2

Newell, Christopher Jack. "In vitro soil-less (IVS) rooting medium." Newell, Christopher Jack (2006) In vitro soil-less (IVS) rooting medium. PhD thesis, Murdoch University, 2006. http://researchrepository.murdoch.edu.au/227/.

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The principle hypothesis of this thesis is that hypoxia, in agar-based media, compromises rooting in vitro. From a practical point of view this is important because most plant tissue culture activities require the material to be successfully acclimatised in a nursery environment. Compromised rooting often results in excessive losses at this stage which are costly and inconvenient. In addition, many plants with commercial and/or scientific interest remain unavailable as they are not able to be rooted and acclimatised reliably. The use of agar as a rooting medium has limited the capacity of plan

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3

Laubscher, Charles Petrus. "Rooting techniques for selected tree species." Thesis, Cape Technikon, 1999. http://hdl.handle.net/20.500.11838/846.

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Thesis (MTech (Horticulture))--Cape Technikon, Cape Town, 1999<br>Vegetative propagation techniques for rooting of cuttings of indigenous tree species, i.e. Olea europaea subsp. African, Podocarpus falcatus, Syzigium cordatum and introduced species, i.e. Acacia mearnsii, A. melanoxylon, Eucalyptus grandis and Melia azedarach were studied and improved at the Cape Technikon nursery from May 1994 to June 1998. These tree species are considered problematic since the indigenous species produce unwanted fruits in urban areas which attract frugivores, while the introduced species are a threat to indi

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4

Yates, David Ira. "Latex of Sciadopitys verticillata (Thunb.) Siebold and Zuccarini: Antibiotic Properties, Phytochemistry, and Inhibition of Adventitious Rooting of Stem Cuttings." Digital Commons @ East Tennessee State University, 2006. https://dc.etsu.edu/etd/2228.

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Sciadopitys verticillata was subjected to three propagation treatments designed to inhibit coagulation of its latex-like sap at the cut ends of the stem cuttings. Twenty-four hour soaking in water prior to rooting hormone application significantly enhanced production of adventitious roots. Old wood stem cuttings from shade-grown trees rooted at higher proportions than stem cuttings collected from sun-grown trees. Height, age, and place of origin of the source trees were not important factors in successful rooting. Antibacterial activity against some human pathogens and soil bacterial species w

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5

Patrick, Melanie. "Characterisation of rhizobacterial communities of Eucalyptus species and hybrids." Thesis, Bloemfontein: Central University of Technology, Free State, 2013. http://hdl.handle.net/11462/244.

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Thesis (M. Tech. (Agriculture)) -- Central University of Technology, Free State, 2013<br>ntroduction: Good quality Eucalyptus is of importance to South Africa’s pulp and paper industry. Limited land is available for forestry, therefore Eucalyptus with genotypes for good pulp and paper qualities, particularly hybrids, are bred and cloned via cuttings. Although these Eucalyptus clones keep the favourable genotypes in the population, many have difficulty with rooting. Research has shown that rhizobacteria can improve rooting. Thus, one strategy to enhance the rooting of cuttings is to use rhizoba

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6

Palzkill, D. A., and L. DePaul. "Rooting of Stem Cuttings of Mortonia scabrella." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/215860.

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Mortonia scabrella can be successfully propagated by stem -tip cuttings during May to September. Better rooting seems to occur during the less stressful months of May and September than in mid-summer. A wide range of rooting response occurs between different clones; the best will root in the range of 70-80%, which should be acceptable in a commercial propagation situation. In one cycle of selection in which the best 3 out of 16 clones were selected for a repeat study, average rooting success increased from 6% to 33 %. Apparently genetic differences for rooting potential occur. Further selectio

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7

Marreiros, Erivan de Oliveira. "Influence of Substrates on Rooting of Cuttings and Productivity of Rose Plants." Universidade Federal do CearÃ, 2010. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=15391.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>The rose is the flower most traded in the world, and CearÃ has been outstanding in their production in greenhouses. However, virtually all the production techniques employed by growers are based only on field observations, without any scientific basis. The objective of this study was evaluate the influence of substrate and added with nutrient solution in the rooting of cuttings roses, variety Carola, propagated in plastic trays by the method of cutting (or striking), and evaluate their productivity in greenhouses. The experiment wa

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8

Tian, Hui-Cheng. "Spatial analysis of the formation of adventitious shoot meristems /." 1992. https://scholarworks.umass.edu/theses/3436.

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9

Naidoo, Nuveshen. "Genetic and environmental factors affecting rooting in Eucalyptus grandis X Eucalyptus longirostrata hybrid cuttings." Thesis, 2011. http://hdl.handle.net/10413/8123.

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In clonal deployment programmes of plantation species, there is frequently the need to deploy Eucalyptus species and interspecific hybrids as rooted cuttings. However, the rooting ability of a particular species or hybrid is a major, and usually limiting, factor affecting the economics of commercial deployment. There is also significant between-species and between-family variation for this trait. Recently, Eucalyptus longirostrata was crossed with E. grandis in an effort to combine its desirable wood properties, drought tolerance and disease resistance with the latter's vigorous growth. Should

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10

Rambaran, Natasha. "Survival and rooting of selected vegetatively propagated Eucalyptus clones in relation to supplied auxin." Thesis, 2013. http://hdl.handle.net/10413/11199.

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Eucalyptus spp. and hybrids dominate the global plantation forestry industry, and vegetative propagation through cuttings is the preferred method for their commercial use. However, the cuttings of some species and hybrids show recalcitrance to rooting. The first aim of this study was to improve percentage rooting of three clones of E. grandis x E. nitens (Clones 1, 2 and 3) identified by a commercial nursery as having variable rooting abilities. The second was to relate their rooting responses as cuttings to their rooting responses in vitro. Minicuttings (3.5 – 4 cm in length) (hereafter refer

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11

Wallis, Jacqueline Tanya. "Recirculating hydroponic systems : evaluating cuttings yield and rooting ability of cold tolerant eucalyptus hybrids." Thesis, 2004. http://hdl.handle.net/10413/4347.

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In South Africa, clonal forestry of Eucalyptus and its hybrids has been implemented to increase the productivity on existing forestry lands and marginal sites and to facilitate the production of desired fibre types for timber processing operations. The cold-tolerant Eucalyptus grandis x E. nitens hybrids have produced consistently high yields, and are propagated clonally with limited success via a macro-cutting system currently in use for other hybrid species. The heart of vegetative propagation operations is the clonal hedge and its management, and nutrition in particular, is an important ele

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12

Ziganira, Matabaro. "Influence of stockplant management on yield and subsequent rooting of cuttings of cold-tolerant Eucalyptus grandis x E. nitens clones." Thesis, 2012. http://hdl.handle.net/10413/8654.

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Clones of the Eucalyptus grandis x Eucayptus nitens (GN) hybrids were produced and selected through the CSIR‟s breeding programmes for colder plantation sites in South Africa. Some GN clones consistently exhibit high and superior pulp properties, which makes them valuable for commercial plantations in South Africa. In nurseries, stockplants are usually seven cm in length and maintained at high (100 x1.5 m-2) planting density. However, rooting frequency varies with season and little is known about the impact of position of cuttings on overall rooting frequency of a clone. The aim of this study

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13

Gibson, James Lloyd. "Influence of mineral nutrition on stock plant yield and subsequent rooting of stem cuttings of scaevola, New Guinea impatiens, and vegetative strawflower." 2003. http://www.lib.ncsu.edu/theses/available/etd-08132003-113938/unrestricted/etd.pdf.

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14

Hsu, Pi-Hui, and 徐碧徽. "Effects of Short-term Storage, and Shading, Nitrogen and Potassium Concentration of Stock Plants on Rooting and Growth of Chrysanthemum Cuttings." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/94017210860029063533.

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碩士<br>國立臺灣大學<br>園藝學研究所<br>92<br>Effects of short-term storage, shading and nitrogen-potassium treatments of stock plants on rooting and growth of chrysanthemum cuttings were studied. Cuttings of eleven chrysanthemum cultivars were stored at 5 and 15℃ for 0 to 21 days in the dark. Three groups could be classified according to their changes in root dry weight with storage treatments. Group I contained ‘Hua-Yu-Dieng’, ‘Bai-Dong-Yang’, ‘Shi-Gie -Yi’, ‘Ho-Lan-Bi’, ‘Hua-Shi- Gie’, ‘Gin-Fon-Cher’, ‘Huang-Shiou-Fan’, and ‘Wu-Fon-Cher’. Root dry weight increased in Group I cuttings after having stored

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15

Mokotedi, Mompe Edward Oscar. "The development of in vitro rooting systems for cold-tolerant Eucalyptus grandis x nitens clones and the assessment of the hydraulic efficiency of roots produced by in vitro vs. cutting propagation." Thesis, 1999. http://hdl.handle.net/10413/4408.

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Hybrid clones of the fast-growing Eucalyptus grandis and cold-tolerant E. nitens (GN clones) have been identified by the South African Forestry Industry as being highly suitable for plantations in cold-dry marginal areas. However, one of the main problems regarding their propagation is the difficulty in rooting of cuttings, both in vitro and ex vitro. The aims of this investigation, therefore, were (1) to develop widely applicable and efficient in vitro rooting system(s) for these commercially important clones, and (2) to assess some physiological characteristics of the roots produced. Adventi

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