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Open Access Publications from the University of California

Sunflower Hybrid Seed Production in California


California's Sacramento Valley is world renowned as a premier location for sunflower seed production. Hybrid sunflower seed production must follow strict standards to meet California state export mandates for all certified sunflower fields. These include crop rotation, weed and disease control, simultaneous bloom of male and female lines, and field isolation in time and space to ensure varietal purity.This publication addresses all aspects of production for growing certified seed including:Land Selection, Crop Rotation, Seedling Rate and Timing, Pollination, Soil Fertility and FertilizersIrrigation, Pest Management, Abiotic Disorders, Harvesting and Processing, Cleaning, Grading, and Marketing

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