Andrew Ristvey, Lorence R. Oki, Darren L. Haver and Bruno J. L. Pitton

About the Author Andrew Ristvey, Lorence R. Oki, Darren L. Haver and Bruno J. L. Pitton

Dr. Andrew Ristvey is Extension Specialist with the Maryland Cooperative Extension, Wye Research and Education Center; he can be reached at aristvey@umd.edu. Dr. Lorence R. Oki is Cooperative Extension Specialist with the Department of Plant Sciences at the University of California, Davis; he can be reached at lroki@ucdavis. edu. Dr. Darren L. Haver is Director of the South Coast Research and Extension Center and Advisor for Orange County UC Cooperative Extension; he can be reached at dlhaver@ucanr.edu. Bruno J. L. Pitton is Staff Research Associate with the Department of Plant Sciences at the University of California, Davis; he can be reached at bjpitton@ucdavis.edu.