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Nemátode-dos-citrinos: prevenir o declínio lento do pomar

Authors: Inácio, Maria de Lurdes; Rusinque, Leidy; Vicente, Claudia; Camacho, Maria João;

Nemátode-dos-citrinos: prevenir o declínio lento do pomar

Abstract

Os citrinos são as fruteiras mais importantes em termos de produção a nível mundial, com cerca de 130 milhões de toneladas produzidas (World Citrus Organisation, 2020), repartin- do-se por mais de 125 países localizados entre os 40° de latitude a norte e a sul do Equador. Entre as várias ameaças à produção citrícola contam-se os nemátodes fitoparasitas. Os nemátodes fitoparasitas são pequenos animais, de aspeto vermiforme, cilíndricos e alongados, geralmente com menos de 1-2 mm de comprimento, que causam doenças às plantas. A maior parte habita no solo, infe- tando as raízes de onde se alimentam atra- vés do estilete (estrutura na cavidade oral que funciona como uma agulha hipodérmi- ca, sugando o conteúdo das células vegetais). Uns permanecem no exterior (ectoparasi- tas), enquanto outros penetram nas raízes (endoparasitas) e outros ainda avançam nos tecidos do hospedeiro, mas só com a parte posterior (cabeça e pescoço), permanecendo o restante corpo fora da raiz (semiendopara- sitas). O nemátode-dos-citrinos, Tylenchulus semipenetrans, é um semiendoparasita e daí a sua designação específica. De todos os ne- mátodes que podem afetar estas fruteiras, é aquele que tem maior impacte económico, sendo a única espécie presente em todas as regiões produtoras de citrinos do mundo.

Country
Portugal
Related Organizations
Keywords

Citrinos, Tylenchulus semipenetrans

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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
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