Title: California agricultural research priorities
Subjects: Control, Pierce's disease, Grapes, Leafhoppers, Insects as carriers of plant disease, Diseases and pests, Pest control, Field Crop Plant Pathology, Viticulture, Technology, Technology & Industrial Arts, Science/Mathematics, Agriculture - General, Technology / Agriculture & Animal Husbandry, California, Control, Diseases and pests, Grapes, Leafhoppers, Pierce's disease (Plant disease), Plant diseases