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UC Riverside International Organization of Citrus Virologists Conference Proceedings (1957-2010) Title The Texas Citrus Budwood Certification Program Publication Date
Journal International Organization of Citrus Virologists Conference Proceedings
The high incidence of psorosis disease prompted the Texas citrus industry to initiate a voluntary virus-free program in 1948, but by the 1960s it was no longer operating. A similar program in the 1980s was short-lived, but the discovery of Citrus tristeza virus in nursery trees in 1992, the continued dominance of sour orange rootstock, and the presence of viroids and viruses which affect alternative rootstocks were catalysts for a mandatory virus-free budwood program. Selected trees of thefatcat:gps25h7x2fc3rokvthbfk7myui