Journal
SILVA FENNICA
Volume 46, Issue 3, Pages 303-316Publisher
FINNISH SOC FOREST SCIENCE-NATURAL RESOURCES INST FINLAND
DOI: 10.14214/sf.42
Keywords
pitch canker; antagonism; biocontrol; biological control agents; endophytes; Pinus radiata; Spain
Categories
Funding
- Government of Cantabria
- Ministry of the Environment and Rural and Marine Affairs
- Ministry of Agriculture
- INIA
- University of Valladolid
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Fusarium circinatum, a fungus that causes pitch canker disease, has been present in Europe since at least 2003, when it was detected in northern Spain and found to be producing severe damage in tree nurseries and pine plantations. In this study, we tested a method of biological control of the disease with Trichoderma viride, a fungal species successfully used against many other pathogens. In vitro and in vivo assays were carried out to test the efficacy of this antagonist in controlling E circinatum. The T viride isolate exerted a significant effect on the growth of E circinatum in the in vitro assay, reducing the length of the pathogen colony by half. However, although we tested three different concentrations of the T viride spore solution, no clear conclusions were obtained with regard to the effects on the Pious radiata seedlings. To our knowledge, this is the first study carried out with the aim of using Trichoderma spp. to control pitch canker disease.
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