Acclimatization of micropropagated plantlets of Coffea canephora

Journal of Biotechnology and Biodiversity

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Field Value
 
Title Acclimatization of micropropagated plantlets of Coffea canephora
 
Creator Santos, Maurício Reginaldo Alves dos
Lima, Renato Abreu
Ferreira, Maria das Graças Rodrigues
Rocha, Josilene Felix
Espíndola, Marcelo Curitiba
Alves, Enrique Anastácio
 
Subject Plant tissue culture
micropropagation
Coffea canephora
survival
Coffea canefora
cultura de tecidos vegetais
embriogênese somática
 
Description Coffea canephora is the predominant species in the state of Rondônia, due to its adaptation to soil and climatic conditions in the region. The acclimatization comprises a set of techniques and procedures that are designed to adapt plantlets to field conditions, heterotrophic to autotrophic condition. This work aimed to evaluate conditions of acclimatization of plantlets of C. canephora in relation to the initial stages of seedling development, levels of shading and acclimatization period. In the first experiment, we used three stages of micropropagated plants: "torpedoes", "sprouted" and "seedling" and two levels of shading, 30 and 50% in 3 x 2 factorial. The plants were weighed and placed individually in cells containing the trays Plantmax®. After 30 days, there was survival, plant length, leaf number and fresh weight. The second experiment evaluated three periods of acclimatization at 30, 45 and 60 days, after the seedlings were transferred to field conditions in plastic bags. After 90 days of the deployment of the experiment, there was survival, plant length, leaf number and the ratio between initial and final weight of the seedlings. The developmental stage "seedlings" resulted in increased survival and plant development stages in relation to "torpedo" and "sprouted." The shading of 50% resulted in increased survival and plant growth than 30%. The acclimatization period of 30 days did not differ significantly from the periods of 45 and 60 days, the most suited for this application.
 
Publisher Universidade Federal do Tocantins - UFT
 
Date 2014-02-04
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
application/zip
 
Identifier https://sistemas.uft.edu.br/periodicos/index.php/JBB/article/view/726
10.20873/jbb.uft.cemaf.v5n1.santos
 
Source Journal of Biotechnology and Biodiversity; v. 5 n. 1 (2014): Journal of Biotechnology and Biodiversity; 12-19
2179-4804
 
Language por
 
Relation https://sistemas.uft.edu.br/periodicos/index.php/JBB/article/view/726/405
https://sistemas.uft.edu.br/periodicos/index.php/JBB/article/view/726/15475
 
Rights Copyright (c) 2014 Journal of Biotechnology and Biodiversity
 

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