David Doll

David Doll is a University of California Cooperative Extension pomology farm advisor in Merced County who specializes in almonds, pistachios, and walnuts.
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.
Impacts Of Drought On Almond Production
By David Doll|June 10, 2014
There may be reduced yield this year, but the future is more ominous.
Many Factors Can Affect Almond Size And Quality
By David Doll|November 13, 2013
A warm spring this year led to the 2013 crop’s smaller kernels.
How To ID Almond Cankers
By David Doll|June 27, 2011
Cankers may be caused by physical injuries such as sunburn or shaker damage, as well as plant pathogens which include bacteria and fungi.
Latest Stories
Latest Growing Produce Podcast: Are Robots Ready for Your Farm?
Posted by Paul Rusnak|October 20, 2026
Farmers Still Assessing Damages in Wake of Hurricane Isaias
By Paul Rusnak|October 20, 2026
What Growers Should Know About the New ‘Fontana’ Blackberry
Posted by Growing Produce Staff|October 19, 2026