Weather Variables Associated with Spore Dispersal of Causing Pine Needle Blight in Northern Spain.

In the last decade, the impact of needle blight fungal pathogens on the health status of forests in northern Spain has marked a turning point in forest production systems based on species. Dothistroma needle blight caused by and , and brown spot needle blight caused by , coexist in these ecosystems. There is a clear dominance of with respect to the other two pathogens and evidence of sexual reproduction in the area.