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Scientia Agraria
Article . 2007 . Peer-reviewed
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Scientia Agraria
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AÇÃO DE GIBERELINAS E CITOCININAS NA GERMINAÇÃO DE SEMENTES DE PESSEGUEIRO

Authors: Luciano PICOLOTTO; Valmor João BIANCHI; José Carlos FACHINELLO;

AÇÃO DE GIBERELINAS E CITOCININAS NA GERMINAÇÃO DE SEMENTES DE PESSEGUEIRO

Abstract

Uma satisfatória germinação e a redução no período de formação do porta-enxerto para qualquer espécie frutífera é desejável quando se visa a redução dos custos de produção do viveirista. O objetivo do presente trabalho foi avaliar a ação dos reguladores vegetais do grupo das citocininas associado ao grupo das giberelinas na germinação de sementes de pessegueiro (Prunus persica (L.) Batsch), sem endocarpo. Utilizaram-se sementes dos cultivares Okinawa, Capdeboscq e Tsukuba. Os produtos comerciais contendo reguladores vegetais usados foram Promalina® (benziladenina + GA4 + 7) e Pro-Gibb® (GA3) nas concentrações 0, 100, 200 e 300 mg L-1, dos princípios ativos. As sementes foram colocadas em placas de Petri, forradas com folha de papel filtro umedecido com solução fúngica e bactericida e mantidas à temperatura ambiente (21 ºC). O Capdeboscq obteve a melhor resposta quanto à porcentagem de germinação e à velocidade de emergência, em todas as concentrações de ambos os reguladores vegetais. Os tratamentos com 200 e 300 mg L-1, utilizando o regulador vegetal contendo benziladenina + GA4 + 7, proporcionaram a maior porcentagem de germinação (80,0% e 78,3%, respectivamente) e maiores índices de velocidade de germinação diários (0,078 e 0,081, respectivamente).

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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!
0
Average
Average
Average
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