Phylloxera

[Thomas]

If you can get your hands on Wines and Vines magazine, the June issue, I think, I have an article in there about the subject. There is an awful lot of misinformation about phylloxera, and UC Davis played a major role in spreading both the misinformation and the modern version of the disease in Ca.

As for soil: ph is an important factor for the development or lack of development of the root louse. But I'd rather not add to the misinformation with half-statements. Grape vine disease is a complicated subject, which is why it is still a pest to viticulture. Mostly, I think Jancis Robinson a good source for information about wine--but not about viticulture.