
One item of agricultural biodiversity interest from my visit to Bologna last weekend, this rather charming 1926 poster. 1 It offers, as you can see, American vines. And here’s my question: varieties, or Phylloxera-resistant rootstocks?
Agricultural Biodiversity Weblog
Agrobiodiversity is crops, livestock, foodways, microbes, pollinators, wild relatives …

One item of agricultural biodiversity interest from my visit to Bologna last weekend, this rather charming 1926 poster. 1 It offers, as you can see, American vines. And here’s my question: varieties, or Phylloxera-resistant rootstocks?
Many thanks to my colleague Amanda Dobson for this photo (click to embiggen) from the DDR Museum in Berlin. Sometimes one prefers a little less agricultural biodiversity in one’s food — and beverages — doesn’t one?