Global trade of tree seeds can introduce harmful pests

The trade of forest tree seeds is, on a global scale, not as safe as previously believed. Researchers from CABI and, among other institutions, the Swiss Federal Institute WSL, revealed that insect pests and fungal pathogens ...

Picky pathogens help non-native tree species invade

Walk into a forest comprising only native trees, and you probably notice many different tree species around you, with no one species dominating the ecosystem. Such biodiversity—the variety of life and species in the forest—ensures ...

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