> Some varieties of European and Asian pines have this innate resistance because they evolved alongside the fungus. However, American trees met this threat too late to develop a workable defense.
So similar to e.g. phylloxera, chestnut blight, “dutch” elm disease, …
Yes most European vineyards are now grafted on American rootstock.
This is covered in the article. European pines evolved alongside the fungus so they have a natural resistance to it.
As the article states, European pine has a natural resistance.