期刊
PLANTS-BASEL
卷 10, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/plants10122614
关键词
bioassays; biopesticides; phytochemicals; pine wilt disease; pinewood nematode; sustainable pest management
资金
- Fundacao para a Ciencia e Tecnologia (FCT/MCTES) [LISBOA-01-0145-FEDER-028724, SFRH/BD/134201/2017, CESAM UIDB/50017/2020 + UIDP/50017/2020 PT2020 PACompete 2020]
- [UIDB/50017/2020 + UIDP/50017/2020 PT2020]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/134201/2017] Funding Source: FCT
Research has shown that essential oils have good direct activity against the pinewood nematode, making them a safer and more environmentally friendly alternative. By analyzing parameters and chemical compositions, more effective essential oil biopesticides can be developed to contribute to improved forest health.
The impacts of a rapidly changing environment together with the growth in global trade activities has promoted new plant pest pandemic events in forest ecosystems. The pinewood nematode (PWN), Bursaphelenchus xylophilus, causes strong worldwide economic and ecological impacts. Direct control is performed through trunk injection of powerful nematicides, however many of these (hemi)synthetic compounds have raised ecological and human health concerns for affecting non-target species and accumulating in food products. As sustainable alternatives, essential oils (EOs) have shown very promising results. In this work, available literature on the direct activity of EOs against PWN is reviewed, as a contribution to advance the search for safer and greener biopesticides to be used in sustainable PWD pest management strategies. For the first time, important parameters concerning the bioassays performed, the PWNs bioassayed, and the EOs used are summarized and comparatively analyzed. Ultimately, an overview of the chemical composition of the most active EOs allowed to uncover preliminary guidelines for anti-PWN EO efficiency. The analysis of important information on the volatile phytochemicals composing nematicidal EOs provides a solid basis to engineer sustainable biopesticides capable of controlling the PWN under an integrated pest management framework and contributes to improved forest health.
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