Roger Duncan
Roger Duncan is a University of California Cooperative Extension Farm Advisor, and the Director of Extension for Stanislaus County.
Bacterial Spot Can Make Almonds Unmarketable
By James E. Adaskaveg | Brent Holtz | Roger Duncan | David Doll|March 24, 2015
Management strategies can help you mitigate losses from this nasty almond disease.
How To Choose Almond Rootstocks
By Roger Duncan|November 15, 2013
For almonds, there are better alternatives to Nemaguard or Lovell.
Minimal Almond Pruning Still Shines
By Roger Duncan|March 14, 2013
Many almond growers are aware of the experiment where we have been monitoring the long-term effects of minimal […]
Latest Stories
A Better Blackberry? Scientists Find Clues To Grow On
Posted by Paul Rusnak|April 26, 2024
Invasive Fruit Flies on the Attack in Texas Citrus
By USDA-APHIS|April 25, 2024