Walla Walla Faces Phylloxera

Walla Walla Faces Phylloxera
In advanced stages, the phylloxera louse can lay eggs in telltale galls on leaves and roots. This vine is not in Washington state, where some vineyards have a much less severe version. (Istockphoto)
Nov 30, 2019

The notorious louse has been discovered in one of Washington's leading AVAs, but many believe the threat can be mitigated.

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