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Scientia Agraria
Article . 2007 . Peer-reviewed
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Scientia Agraria
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AMBIENTE DE ENRAIZAMENTO E SUBSTRATOS NA MINIESTAQUIA DE ERVA-MATE

Authors: Gilvano Ebling BRONDANI; Ivar WENDLING; Delmar SANTIN; Eliziane Luiza BENEDETTI; Luís Fernando ROVEDA; Alessandro Góis ORRUTÉA;

AMBIENTE DE ENRAIZAMENTO E SUBSTRATOS NA MINIESTAQUIA DE ERVA-MATE

Abstract

Devido à falta de um método que possibilite a propagação vegetativa da erva-mate de forma eficiente, foi conduzido na Embrapa Florestas, um estudo com objetivo de avaliar o efeito do ambiente de enraizamento e composições de substrato na sobrevivência, enraizamento e crescimento de miniestacas de erva-mate. As brotações foram coletadas de minicepas produzidas via semente e manejadas em sistema semi-hidropônico. O experimento foi conduzido no delineamento blocos ao acaso no arranjo bifatorial, sendo os níveis constituídos de seis diferentes composições de substratos: S1 - substrato para enraizamento a base de casca de Pinus, S2 - substrato para enraizamento a base de casca de Pinus e vermiculita, S3 - casca de arroz carbonizada + vermiculita fina + substrato para enraizamento a base de casca de Pinus e vermiculita (1:1:1 v/v), S4 - casca de arroz carbonizada + substrato para enraizamento a base de casca de Pinus e vermiculita (1:1 v/v), S5 - casca de arroz carbonizada + vermiculita fina (1:1 v/v) e S6 - fibra de coco e, dois ambientes de enraizamento: casa de vegetação automatizada e casa de vegetação simples. Independente das variáveis analisadas, a casa de vegetação com controle de umidade e temperatura foi superior a casa de vegetação sem controle. O uso do substrato casca de arroz carbonizada + substrato para enraizamento a base de casca de Pinus e vermiculita (1:1 v/v) é aconselhado nos dois ambientes para o enraizamento de miniestacas juvenis de erva-mate.

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    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
gold