Menkis, Audrius and Bakys, Remigijus and Stein Åslund, Matilda and Davydenko, Kateryna and Elfstrand, Malin and Stenlid, Jan and Vasaitis, Rimvydas
(2020).
Identifying Fraxinus excelsior tolerant to ash dieback: Visual field monitoring versus a molecular marker.
Forest Pathology. 50
, e12572
, 1-4
[Research article]
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Abstract
Ash dieback (ADB) caused by the pathogen Hymenoscyphus fraxineus is the cause of massive mortality of Fraxinus spp. in Europe. The aim of this work was to check for the presence of the molecular marker for ADB tolerance in mapped healthy-looking F. excelsior trees, and to compare its occurrence in trees exhibiting severe ADB symptoms. Monitoring of 135 healthy-looking F. excelsior on the island of Gotland, Sweden, showed that after 3-4 years 99.3% of these trees had 0%-10% crown damage, thus remaining in a similar health condition as when first mapped. After 5-6 years, 94.7% of these trees had 0%-10% crown damage. Molecular analysis of leaf tissues from 40 of those showed the presence of the molecular marker in 34 (85.0%) trees, while it was absent in 6 (15.0%) trees. Analysis of leaf tissues from 40 severely ADB-diseased trees showed the presence of the molecular marker in 17 (42.5%) trees, but its absence in 23 (57.5%) trees (p < .0001). The results demonstrated that monitoring of healthy-looking F. excelsior is a simple and straightforward approach for the selection of presumably ADB-tolerant ash for future breeding. The cDNA-based molecular marker revealed moderate capacity on its own to discriminate between presumably ADB-tolerant and susceptible F. excelsior genotypes.
| Authors/Creators: | Menkis, Audrius and Bakys, Remigijus and Stein Åslund, Matilda and Davydenko, Kateryna and Elfstrand, Malin and Stenlid, Jan and Vasaitis, Rimvydas | ||||||
|---|---|---|---|---|---|---|---|
| Title: | Identifying Fraxinus excelsior tolerant to ash dieback: Visual field monitoring versus a molecular marker | ||||||
| Series Name/Journal: | Forest Pathology | ||||||
| Year of publishing : | 2020 | ||||||
| Volume: | 50 | ||||||
| Article number: | e12572 | ||||||
| Number of Pages: | 4 | ||||||
| Publisher: | Blackwell Verlag GmbH | ||||||
| ISSN: | 1437-4781 | ||||||
| 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: | ash dieback, breeding for resistance, disease tolerance, Fraxinus, Hymenoscyphus fraxineus | ||||||
| URN:NBN: | urn:nbn:se:slu:epsilon-p-105159 | ||||||
| Permanent URL: | http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-105159 | ||||||
| Additional ID: |
| ||||||
| ID Code: | 16963 | ||||||
| Faculty: | NJ - Fakulteten för naturresurser och jordbruksvetenskap S - Faculty of Forest Sciences | ||||||
| Department: | (NL, NJ) > Dept. of Forest Mycology and Plant Pathology (S) > Dept. of Forest Mycology and Plant Pathology | ||||||
| Deposited By: | SLUpub Connector | ||||||
| Deposited On: | 08 May 2020 08:48 | ||||||
| Metadata Last Modified: | 15 Jan 2021 19:27 |
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