Walnut orchards at the Nickels Soil Lab near Arbuckle, Calif. are saturated with Botryosphaeria, (BOT) and Phomopsis blight and canker, says University of California plant pathologist Themis Michailides. This makes a difference in management...
Pistachio trees deficient in boron “look like they want to grow but can’t. They look like they don’t have the energy to grow.”
May 17, 2017
By Joel Siegel, Ph.D., Entomologist, USDA Agricultural Research Service
Leaffooted bugs cause nut damage by using their piercing-sucking mouthparts to probe into leaves, shoots and fruit.
May 03, 2017
Q. We’re applying out Bt sprays right now...
Weeds which rob nutrients and water, plus harbor pests and pathogens, can jeopardize the future productivity of newly-planted pistachio trees.