- Author: Pamela Kan-Rice

How One Entomologist Found His Calling as an IPM Facilitator
(Entomology Today) Lina Bernaola, April 18
Alejandro Del Pozo-Valdivia, Ph.D., is currently an IPM entomology advisor at the University of California Cooperative Extension. He serves the vegetable industry in the Central Coast region of California by conducting applied research on pest management and implementing an extension program for stakeholders.
Alejandro was born and raised in Lima, Peru, where he earned his bachelor's degree in agronomy from La Molina National Agrarian University. Then, he went to Washington State University, where he obtained his master's degree in...
- Author: Jeannette E. Warnert

For automated, mechanical weed control to work, scientists must teach machines how to distinguish between unwanted vegetation and the crop being cultivated. A new, high-tech system using x-rays to detect tomato stems is under development by UC Davis Cooperative Extension agricultural engineer David Slaughter and USDA Agricultural Research Service researcher Ron Haff. The output from the x-ray detector is input to a microcontroller that controls a pair of pneumatically powered mechanical weed knife blades.
Slaughter and Haff's work was explained this week in an online newsletter produced by