The essential pocket-size guide to the scourges of citrus has been completely revised with 125 color photographs and important new entries, including Ortezia Scale, Black Spot, Citrus Variegated Chlorosis (CVC), and Citrus Greening (Huanglongbing). The 3" x 4" laminated cards are color-indexed for easy reference and bound with metal rings for convenient use in the field. Includes a metric ruler and a handy English-to-metric conversion guide. Whether you're a citrus industry professional or have a small backyard grove, you'll find this guide a welcome ally in the fight to keep your citrus trees healthy.