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CULTIVARS

Registration of ‘CP 00-1446’ Sugarcane

^a USDA-ARS Sugarcane Field Station, 12990 US Hwy. 441 N., Canal Point, FL 33438
^b Florida Sugar Cane League, Inc., P.O. Box 1208, Clewiston, FL 33440
^c Univ. of Florida, Everglades Research and Education Center, 3200 East Palm Beach Road, Belle Glade, FL 33430. Mention of trade names or commercial products is solely for the purpose of providing specific information and does not imply recommendation or endorsement by USDA, the University of Florida, or the Florida Sugar Cane League, Inc

^* Corresponding author (Barry.Glaz{at}ars.usda.gov).

ABSTRACT

‘CP 00-1446’ (Reg. No CV-133, PI 654092) sugarcane (a complex hybrid of Saccharum spp.) was developed through cooperative research conducted by the USDA-ARS, the University of Florida, and the Florida Sugar Cane League, Inc., and was released to growers in Florida in September 2007. CP 00-1446 was selected from a cross of genotypes CP 93-1607 x CP 91-1150 made at Canal Point, FL, in January 1998. The female and male parents were advanced to the penultimate selection stage (Stage 3) and the final stage (Stage 4), respectively, of the Canal Point sugarcane cultivar breeding and selection program. CP 00-1446 was released and recommended for sand soils in Florida because of its high plant cane and acceptable ratoon per hectare yields of cane and sucrose and commercial recoverable sucrose on sand soils, and its acceptable disease reactions to smut [caused by Ustilago scitaminea (Sydow & P. Sydow)] (moderately susceptible), brown rust (caused by Puccinia melanocephala H. & P. Sydow) (moderately resistant), orange rust (caused by Puccinia kuehnii E.J. Butler) (moderately resistant), leaf scald (caused by Xanthomonas albilineans Ashby, Dowson) (resistant), Sugarcane mosaic virus strain E (mosaic) (moderately susceptible), and ratoon stunting disease (caused by Clavibacter xyli subsp. xyli Davis) (resistant) in Florida.

Abbreviations: CP, Canal Point • CP program, Canal Point sugarcane cultivar breeding and selection program • CRS, commercial recoverable sucrose • RSD, ratoon stunting disease