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Efeito dos exsudatos radiculares de Solanum Sisymbriifolium na enclosão de Meloidogyne spp.

Hatching effect of root exudates from Solanum Sisymbriifolium on Meloidogyne spp.
Authors: Conceição, Isabel Luci; Dias, Ana Margarida Caetano; Abrantes, Isabel; Cunha, Maria José Moreno da;

Efeito dos exsudatos radiculares de Solanum Sisymbriifolium na enclosão de Meloidogyne spp.

Abstract

Os nemátodes-das-galhas-radiculares (NGR), Meloidogyne spp., são fitoparasitas com uma grande distribuição e economicamente importantes, causando reduções significativas na quantidade e qualidade da produção agrícola. O seu controlo é difícil e muitos dos métodos utilizados são ineficazes. Algumas plantas libertam fitoquímicos naturais com propriedades nematodicidas e os exsudatos radiculares podem actuar como estimuladores ou inibidores da eclosão de jovens do segundo estádio (J2). O objectivo deste trabalho foi avaliar o efeito dos exsudatos radiculares de Solanum sisiymbriifolium (cvs Sharp, Pion, Sis 4004 e Domino) na eclosão de J2 de cinco isolados de Meloidogyne (M. arenaria, M. chitwoodi, M. hapla, M. hispanica e M. javanica), contribuindo para o desenvolvimento de estratégias de protecção alternativas à utilização de nematodicidas. Os exsudatos radiculares obtidos através da lixiviação sucessiva do solo foram testados, com contagens diárias, durante o período de 15 dias. O exsudato de tomateiro (S. lycopersicum cv. Easypeel) e a água destilada foram utilizados como testemunhas.

Revista de Ciências Agrárias, vol. 35 n.º 2 (2012)

Keywords

root-knot nematode, Eclosão, Hatching, fitoquímico, nemátode-das-galhas-radiculares, phytochemical, nematicide

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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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