Est. 1972

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This recent project represents key scientific advancements funded by the Board to address emerging threats and improve melon production efficiency:

Virus Monitoring and Identification:
Whitefly-Transmitted Viruses: Extensive research was conducted to monitor the seasonality of Cucurbit Chlorotic Yellows Virus (CCYV) and Cucurbit Yellow Stunting Disorder Virus (CYSDV) in the Low Desert and Central Valley.
◦ Emerging Pathogens: In 2023, the Watermelon Chlorotic Stunt Virus (WmCSV) was identified for the first time in the Imperial Valley. Additionally, a unique recombinant strain of Squash Vein Yellowing Virus (SqVYV-CA) was detected and characterized in Fresno County.
Next-Generation Pest Management:
◦ Cucumber Beetle Strategies: Research focused on improving monitoring for Western Striped and Spotted Cucumber Beetles through the development of specialized pheromone and floral lures.
◦ Insecticide Alternatives: Multi-year trials evaluated new chemical and biological controls (such as Sivanto, PQZ, and Venom) to manage whitefly populations and reduce virus transmission.
Soil and Root Health:
◦ Fusarium Management: Studies characterized emerging Fusarium solani-type pathogens that cause crown and root rot.
◦ Nematode Control: Researchers evaluated alternative nematicides and rotation strategies to effectively manage Root-Knot Nematodes.
Technological and Economic Innovation:
◦ Automated Weeding: A two-year study analyzed the cost-benefit of using automated cultivators (such as the Robovator) to control within-row weeds, demonstrating a significant correlation between improved weed control and higher marketable yields