Abstract
Research to develop ‘CPCL 97‐2730’ (Reg. No. CV‐137, PI 655943) sugarcane (a complex hybrid of Saccharum spp.) was initiated by the United States Sugar Corporation (USSC) and completed cooperatively by the USDA–ARS, the University of Florida, and the Florida Sugar Cane League, Inc. CPCL 97‐2730 was released to growers in Florida in December 2008. CPCL 97‐2730 was selected from a cross of USSC proprietary genotypes CL 75‐0853 × CL 88‐4730 made at Clewiston, FL, in December 1996. The female parent, CL 75‐0853, had high commercial recoverable sucrose (CRS) but because of low cane yields was not used extensively by USSC. The male parent, CL 88‐4730, is a high‐yielding genotype that USSC is evaluating in commercial fields with sand and muck soils for possible extended use. CPCL 97‐2730 was released because of its acceptable yields of cane and CRS on sand soils and its resistance to smut (caused by Ustilago scitaminea Syd. & P. Syd.), brown rust (caused by Puccinia melanocephala Syd. & P. Syd.), orange rust [caused by P. kuehnii (Kruger) E. Butler], leaf scald [caused by Xanthomonas albilineans (Ashby) Dowson], and sugarcane mosaic virus strain E.
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