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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Podocarpo, uma planta de interesse ornamental: propagação assexuada

Menegusso, Fernanda Jaqueline 27 February 2018 (has links)
Submitted by Helena Bejio (helena.bejio@unioeste.br) on 2018-06-08T00:45:40Z No. of bitstreams: 2 Fernanda_Menegusso_2018.pdf: 1828109 bytes, checksum: d3740fabed744c8f157c44a448d867b5 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2018-06-08T00:45:40Z (GMT). No. of bitstreams: 2 Fernanda_Menegusso_2018.pdf: 1828109 bytes, checksum: d3740fabed744c8f157c44a448d867b5 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2018-02-27 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / The objective of this study was to evaluate the potential of rooting of podocarpos cuttings in function of the number of leaves, concentrations of IBA and other phytorregulators, different application methods and cutting season. Two experiments were carried out under weaning conditions, in a factorial scheme containing 3 replicates of 15 cuttings, the first with 4 concentrations of IBA (0, 500, 1000 and 1500 mg L-1), 3 numbers of leaves at the cuttings (4, 6, 8) and 2 seasons (winter and summer). These were removed in August/2016 and January/2017, prepared with 10 cm in length and immersed in solutions for 10 s. In the second experiment three types of phytoregulators (IBA, NAA and IAA) and 2 application forms were tested (slow and quick immersion). Cuttings were prepared in the same manner as in the first experiment, maintaining 4 leaves. The bases of the cuttings were immersed for 10 s and 24 h in the solutions, then taken to root in sand bed. After 100 days of experimentation, it was concluded that podocarp cuttings collected in the summer had a higher percentage of rooting, 4 leaves and IBA concentration should be maintained between 750 and 800 mg L-1. The best form of application of phytoregulator is by rapid immersion. / Objetivou-se avaliar o potencial de enraizamento de estacas de podocarpos em função do número de folhas, concentrações de AIB e outros fitorreguladores, diferentes métodos de aplicação e época de estaqueamento. Dois experimentos foram conduzidos em condições de telado, em esquema fatorial contendo 3 repetições de 15 estacas, sendo o primeiro com 4 concentrações de AIB (0, 500, 1000 e 1500 mg L-1), 3 números de folhas na estaca (4, 6, 8) e 2 épocas (inverno e verão). Estas foram retiradas em agosto/2016 e janeiro/2017, preparadas com 10 cm de comprimento e imersas nas soluções por 10 s. No segundo experimento foram testados 3 tipos de fitorreguladores (AIB, ANA e AIA) e 2 formas de aplicação (imersão lenta e rápida). Estacas foram preparadas da mesma maneira que no primeiro experimento, mantendo 4 folhas. As bases das estacas foram mergulhadas por 10 s e 24 h nas soluções, em seguida levadas para enraizar em canteiro de areia. Após 100 dias de experimentação, concluiu-se que estacas de podocarpo coletadas no verão apresentaram maior percentagem de enraizamento, devem ser mantidas 4 folhas e concentração de AIB entre 750 a 800 mg L-1. A melhor forma de aplicação de fitorregulador é por imersão rápida.

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