Evaluating Vacuum and Steam Heat to Eliminate Pinewood Nematodes in Naturally Infested Whole Pine Logs

© 2024 J. D. Eisenback et al., published by Sciendo.

Bibliographische Detailangaben
Veröffentlicht in:Journal of nematology. - 1969. - 56(2024), 1 vom: 07. März, Seite 20240038
1. Verfasser: Eisenback, J D (VerfasserIn)
Weitere Verfasser: Chen, Z, White, M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article Bursaphelenchus xylophilus ISPM-15 Pinus spp. environmentally friendly forest health fumigation international trade lethal temperature methyl bromide mehr... phytosanitary treatments pinewood nematode steam heat survival stage vacuum whole logs yellow pine trees
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520 |a Pinewood nematodes threaten forest health and continue to interfere with international trade because they can be spread around the globe via nematode-infested wood. International Standards for Phytosanitary Measure (ISPM-15) requires that all pine wood be treated at 56°C for 30 min to ensure that all pests and pathogens are killed within sawn wood, whereas fumigation with methyl bromide is the currently approved practice and widely used in treating whole logs. A method of treatment that uses less energy and time or does not rely on environmentally damaging gases is urgently needed. Because vacuum with steam has shown promise in treating several different commodities, the purpose of this study was to use it to eradicate pinewood nematodes in whole logs. Three protocols were applied: 1) 48°C for 15 min., 2) 56°C for 30 min., and 3) 60°C for 60 min. The third protocol reduced the population to statistically zero; however, some samples contained at least 1 survivor. Unfortunately, these surviving nematodes increased in number one month after treatment, and one year later, they continued to reproduce in the wood. Therefore, this protocol needs to be further refined to remove pinewood nematodes completely. Explanation of the survival of individual nematodes within whole logs remains a matter for conjecture: 1) certain portions of the wood were somehow insulated from the heat and did not achieve the lethal temperature, and 2) survival stages may be able to survive temperatures that are deadly to the normal life stages 
650 4 |a Journal Article 
650 4 |a Bursaphelenchus xylophilus 
650 4 |a ISPM-15 
650 4 |a Pinus spp. 
650 4 |a environmentally friendly 
650 4 |a forest health 
650 4 |a fumigation 
650 4 |a international trade 
650 4 |a lethal temperature 
650 4 |a methyl bromide 
650 4 |a phytosanitary treatments 
650 4 |a pinewood nematode 
650 4 |a steam heat 
650 4 |a survival stage 
650 4 |a vacuum 
650 4 |a whole logs 
650 4 |a yellow pine trees 
700 1 |a Chen, Z  |e verfasserin  |4 aut 
700 1 |a White, M  |e verfasserin  |4 aut 
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