Colorado Grape Pest Reshaping Vineyards

Here’s a breakdown of the provided text, focusing on key details about phylloxera and its ‍impact ⁣on ⁢grapevines, particularly in Colorado:

Key Points:

* What is Phylloxera? It’s a pest that attacks the roots of grapevines.
* Native to the US, but recently spreading: Historically,⁢ some ⁣US states (Colorado, Oregon, Washington) were free of ⁢phylloxera, but it’s now appearing in these areas.
* Colorado’s Vulnerability: Colorado’s wine⁤ grape industry, established in‍ the ⁤mid-1980s, relied heavily on self-rooted European grapevines (meaning ‍the rootstock is the same variety as the vine above ground).This makes them particularly susceptible to phylloxera.
* Global ⁤Presence & Containment: Phylloxera exists in countries ⁣like Australia and China, and states like Washington, but is frequently enough managed through quarantine.
* Future Concerns: Modeling suggests phylloxera’s range could expand regionally and globally.
* Recent Spread in Colorado: A 2019 survey showed ‍increased‍ phylloxera presence in Colorado vineyards,leading to vineyard overhauls.
* Combined Threats: The spread of phylloxera is happening alongside increased freeze events, causing significant vine ⁢death.

In essence, the article ⁢discusses a growing threat to grapevines, particularly in regions like colorado that haven’t historically dealt with phylloxera and have relied on vulnerable vine ⁢types.