A NEW HYBRID CITRUS ROOTSTOCK FOR FLORIDA: US-852

BOWMAN, K. D.

Abstract


US-852 is a citrus rootstock cultivar released by the USDA, ARS in 1999 for use in Florida. Greenhouse and laboratory testing have suggested that US-852 is resistant to Phytophthora nicotianae, citrus tristeza virus, and citrus nematode. Information on long-term field performance is limited to one trial in Osceola county where 'Hamlin' on US-852 rootstock produced healthy, uniform, medium-size trees that have yielded exceptionally large crops of high quality fruit through the first 8 harvests. In addition, trees on US-852 in this trial have produced essentially no root sprouts. Small-scale but widespread commercial trials with this rootstock are desirable to determine its suitability for use with other scions and in other production areas.

Keywords


citrus sinensis; citrus paradisi; citrus reticulata; poncirus trifoliata; disease resistance; cold; fruit quality

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Proc. Fla. State Hort. Soc.     ISSN 0886-7283