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| Author(s): |
Fábio Albuquerque Entelmann
Total Authors: 1
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| Document type: | Master's Dissertation |
| Press: | Piracicaba. |
| Institution: | Universidade de São Paulo (USP). Escola Superior de Agricultura Luiz de Queiroz (ESALA/BC) |
| Defense date: | 2008-01-30 |
| Examining board members: |
João Alexio Scarpare Filho;
Antonio Baldo Geraldo Martins;
Francisco de Assis Alves Mourão Filho
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| Advisor: | João Alexio Scarpare Filho |
| Abstract | |
In order to revitalize the Brazilian quince production in traditional areas such as the south of Minas Gerais state, it is important to define efficient seedling production techniques for quince trees, because there are few studies in Brazil as in the world. Recently, a new rootstock option has been selected for quince trees, the cultivar Japones, however, there is lack of information on propagation techniques for this quince tree. Thus, the aim of this work was to study the inetergeneric graft and alternative techniques in the quince trees seedlings production. Nine experiments were conducted: rooting of cuttings and air layering propagation of Japones quince trees collected at different periods, rooting of juvenile cuttings, periods and means of stratification in breach of seed dormancy, study of seeds emergency and substrates, quince trees cultivars grafting methods (bud and cleft grafting) and the use of the oriental pear tree as rootstock. It is concluded that: The quince trees, genus Cydonia, presents graft compatibility when used as stock of the quince tree rootstock Japones , genus Cahenomeles, and pear trees Taiwan Nashi-C and Taiwan Mamenashi, genus Pyrus; the quince tree Japonês, genus Chaenomeles, doesnt presents graft compatibility with the rootstocks Taiwan Nashi-C e Taiwan Mamenashi, genus Pyrus; the rootstock Japonês can be obtained by cuttings rooting and by seeds; the collection of cuttings in June, without stratification, and the layering propagation done in July, promoted best rooting of Japones quince trees; the juvenile cuttings, without cold stratify and treated with 1000 mg.L-1 of IBA have high rooting potential; the Japones quince tree seeds should be stratified in cotton for 60 days; the Japones quince tree presents high emergency percentage and high speed to reach the grafting point compared with other quince trees and the vermiculite + manure (1:1) mixture gave the best results for the seedlings development. (AU) | |