New work shows for the first time just how widespread and deadly the threat of pathogens from restoration nurseries may be to natural forests. The team surveyed five native plant nurseries in Northern California and found that four harbored exotic, or non-native, Phytophthora pathogens. New management techniques, coupled with new methods for detecting pathogens, can help these nurseries limit the spread of exotic pathogens into the wild.
from All Top News -- ScienceDaily http://bit.ly/2Sxj6h9
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