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Control of Heterobasidion in Norway Spruce Stands: The Impact of Stump Cover on Efficacy of Urea and Phlebiopsis gigantea and Implications for Forest Management

Zaluma, Astra and Sherwood, Patrick and Bruna, Lauma and Skola, Uvis and Gaitnieks, Talis and Rönnberg, Jonas (2021). Control of Heterobasidion in Norway Spruce Stands: The Impact of Stump Cover on Efficacy of Urea and Phlebiopsis gigantea and Implications for Forest Management. Forests. 12 , 679
[Research article]

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Abstract

This study investigated the efficacy of Rotstop, a native Latvian Phlebiopsis gigantea strain and 35% urea solution in combination with a stump cover treatment to control against natural spore infection by Heterobasidion spp. upon precommercial thinning of Norway spruce in three stands growing on former agricultural lands. The major findings were that (i) infection rates of Heterobasidion spp. on stumps treated with the native P. gigantea strain, Rotstop or urea are similar when stumps are uncovered, and (ii) stump cover promotes stump colonization by the Latvian P. gigantea strain and Rotstop, leading to a significantly smaller relative area colonized by Heterobasidion spp., as well greater efficiency against Heterobasidion in comparison with urea. Covering of stumps appears beneficial for controlling Heterobasidion stump colonization and may be valuable to forest owners if used in small-scale operations, but it is impractical in automatized thinnings, where managers should consider using regular Rotstop without covering the stumps.

Authors/Creators:Zaluma, Astra and Sherwood, Patrick and Bruna, Lauma and Skola, Uvis and Gaitnieks, Talis and Rönnberg, Jonas
Title:Control of Heterobasidion in Norway Spruce Stands: The Impact of Stump Cover on Efficacy of Urea and Phlebiopsis gigantea and Implications for Forest Management
Series Name/Journal:Forests
Year of publishing :2021
Volume:12
Article number:679
Number of Pages:12
Publisher:MDPI
ISSN:1999-4907
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Forest Science
Keywords:biological control, Rotstop, urea treatment, root rot, basidiospores, agricultural land
URN:NBN:urn:nbn:se:slu:epsilon-p-113200
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-113200
Additional ID:
Type of IDID
DOI10.3390/f12060679
Web of Science (WoS)000666176000001
ID Code:25112
Faculty:S - Faculty of Forest Sciences
Department:(S) > Southern Swedish Forest Research Centre
Deposited By: SLUpub Connector
Deposited On:30 Aug 2021 19:25
Metadata Last Modified:31 Aug 2021 05:01

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