Receptivity of Picea sitchensis stumps to infection by Heterobasidion annosum basidiospores

C M Woods, S Woodward, D B Redfern

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Picea sitchensis stumps were inoculated with Heterobasidion annosum basidiospores either immediately or 24 h, 7 days or 28 days after cutting, in order to determine the length of time they remained susceptible to infection. Control stumps were inoculated with sterile water; those that became colonized were presumed to have been infected by natural inoculum. The degree of colonization of inoculated stumps declined when spores were applied more than 24 h after cutting but was still greater than in the control stumps at 7 days. Spores applied at 28 days did not result in stump infection. These data indicate that stump protection measures applied after felling must remain effective for at least 7 days, and that if stump treatment is not applied immediately after cutting, it could still have some protective value up to 7 days later.

Original languageEnglish
Pages (from-to)457-465
Number of pages9
JournalForestry the Journal of the Society of Foresters of Great Britain
Volume73
Publication statusPublished - 2000

Keywords

  • SITKA SPRUCE STUMPS
  • INTERSTERILITY GROUPS
  • STANDS

Cite this

Receptivity of Picea sitchensis stumps to infection by Heterobasidion annosum basidiospores. / Woods, C M ; Woodward, S ; Redfern, D B .

In: Forestry the Journal of the Society of Foresters of Great Britain, Vol. 73, 2000, p. 457-465.

Research output: Contribution to journalArticle

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AB - Picea sitchensis stumps were inoculated with Heterobasidion annosum basidiospores either immediately or 24 h, 7 days or 28 days after cutting, in order to determine the length of time they remained susceptible to infection. Control stumps were inoculated with sterile water; those that became colonized were presumed to have been infected by natural inoculum. The degree of colonization of inoculated stumps declined when spores were applied more than 24 h after cutting but was still greater than in the control stumps at 7 days. Spores applied at 28 days did not result in stump infection. These data indicate that stump protection measures applied after felling must remain effective for at least 7 days, and that if stump treatment is not applied immediately after cutting, it could still have some protective value up to 7 days later.

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