Publications by authors named "Margarita Elvira-Recuenco"
Diplodia tip blight is the most ubiquitous and abundant disease in Spanish plantations. The economic losses in forest stands can be very severe because of its abundance in cones and seeds together with the low genetic diversity of the host. is not genetically diverse in North America either, and Diplodia shoot blight is a common disease.
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- Pathogen life history traits are crucial in determining how well they adapt to their hosts in various environments, and limited variation can reduce their evolutionary potential.
- The study focused on an invasive fungal pathogen causing pine pitch canker in Spain, examining different strains on how temperature and moisture affect their pathogenic abilities.
- Findings revealed that the most common haplotype was more virulent at higher temperatures (25-30°C) but less so at cooler temperatures (15°C), with longer moisture durations leading to increased disease severity.
Article Synopsis
- Global change is increasing forest vulnerability, particularly affecting maritime pine, which is facing significant decline and mortality due to various abiotic (like drought stress) and biotic (such as mistletoe) factors.
- Studies revealed that while fungal pathogens were largely absent, defoliation rates were higher in declining trees, indicating stress might precede infections from mistletoe.
- The decline of maritime pine suggests a potential shift in forest composition, with drier, more resilient tree species likely taking its place as it struggles to regenerate and maintain dominance.
There is a concern on how emerging pests and diseases will affect the distribution range and adaptability of their host species, especially due to different conditions derived from climate change and growing globalization. Fusarium circinatum, which causes pitch canker disease in Pinus species, is an exotic pathogen of recent introduction in Spain that threatens its maritime pine (P. pinaster) stands.
View Article and Find Full Text PDFThe L-form of Pseudomonas syringae pv. phaseolicola has been proved to induce resistance to bean halo blight. Various procedures were tested to induce the L-form of Pseudomonas syringae pv.
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