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Sinopse:

Pine wilt disease (PWD) results from complex interactions, especially those among the pinewood nematode (PWN), Bursaphelenchus xylophilus, its insect vector, Monochamus spp., and the host plant (conifers). The vector is a fundamental component of the disease, because the PWN can only leave a dead host plant and colonise new healthy hosts through the insect. Also, it has been suggested that the bacteria associated with the PWN can play an important role in the development of the disease, as well as the other trophic interactions that co-exist in the pine forest ecosystem. The risk of an epidemic, due to this disease, is also strongly linked to environmental conditions.

PWN was detected for the first time in North America, where it did not cause any damage to the endemic conifers. The current worldwide distribution of the nematode is due essentially to the movement of infected woody material, which has transported the PWN over long distances and to various regions of the globe, causing abnormal and significant mortality to their respective host trees.

In the Orient, this disease was initially attributed to Coleoptera insects of the families Cerambycidae, Curculionidae and Scolytidae. Later it was found that the causal agent was a nematode species of the genus Bursaphelenchus, when its pathogenicity was demonstrated.

PWN, due to its great destructive potential, is included in EC Council Directive 2000/29/ EC and is classified in the list of organisms harmful to the European Union, being referenced by the European and Mediterranean Plant Protection Organization (EPPO) as a quarantine organism (EPPO A2 List).

The introduction of this nematode into Europe, and the emergence of new methods and technologies, has led to the development of an investigation programme that includes not only the various biological interactions among the main components involved in PWD, but also the development of prevention and control strategies that may be used in an integrated management system. The management measures adopted should be effective, specific, and not have any harmful effects on the environment. The objective of Pine Wilt Disease in Europe is to draw together information on PWD, the interactions that may occur during its development, and the control strategies which may be used.

Therefore, a retrospective of the PWD in Europe is given in Chapter I. Chapters II, III and IV make reference to plant-nematode, vector-nematode, vector-host plant interactions, while Chapters V and VI analyse the bacteria-nematode-plant interactions and biotic/abiotic factors that interact with the plant. The description of the methods and techniques used in integrated management of the disease is given in Chapter VII.


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Editora: FNAPF - Federação Nacional das Associações de Proprietários Florestais

Coordenadores: Edmundo Sousa (INIAV), Fernando Vale (FNAPF) e Isabel Abrantes (UC)

Ano: 2013

Tipo de capa: dura

Número de páginas: 328

Idioma: Português


Tempo médio de envio: 5 dias

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