Cooperating in these studies were L. S. Jordan, Associate Professor of Horticultural
Science and Associate Plant Physiologist, University of California, Riverside; J.
M. Lyons, Associate Professor, and Fred Whiting, Lab Technician, Department of Vegetable
Crops, University of California, Riverside; R. C. Russell, Laboratory Technician,
Department of Horticultural Science, University of California, Riverside; H. Ford,
Marvin Snyder, Farm Advisors in Imperial and Santa Barbara counties respectively;
Bill Fischer and Don May, Farm Advisors, Fresno County; Tom Tisdell, Botany Specialist,
University of California, Davis.
This work was supported in part by Rohm & Haas Company. Cooperation was received from
the Moreno Field Station staff and many farmers who contributed land, produce, and
time to the project.