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CULTIVARS

Registration of ‘CP 88-1165’ Sugarcane

^a Magdalena Sugar Mill, La Democracia, Escuintla, Guatemala
^b USDA–ARS Sugarcane Field Station, 12990 US Hwy. 441 N, Canal Point, FL 33438
^c Centro Guatemalteco de Investigación y Capacitación de la Caña de Azúcar (CENGICAÑA), Km. 92.5, Carretera al Pacífico, Santa Lucía Cotzumalguapa, Escuintla, Guatemala
^d Univ. of Florida, Everglades Res. and Educ. Ctr., 3200 East Palm Beach Road, Belle Glade, FL 33430; current address, Univ. of Arkansas, Rice Research and Extension. Center, 2962 Hwy. 130 E., Stuttgart, AR 72160. Mention of trade names of commercial products is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the USDA

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

ABSTRACT

‘CP 88-1165’ (Reg. No. CV-131, PI 651884) sugarcane (a complex hybrid of Saccharum spp.) was developed through cooperative research conducted by the USDA–ARS, the Centro Guatemalteco de Investigación y Capacitación de la Caña de Azucar, and the University of Florida. It was released to growers in Guatemala in September 2004. CP 88-1165 was selected from the cross ‘CL 61-620’ x CP 81-1302 made at Canal Point, FL, in January 1986. The female parent, CL 61-620, formerly a major commercial cultivar in Florida, was developed by a private breeding program in Clewiston, FL, conducted by the United States Sugar Corp. The male parent, CP 81-1302, was advanced to the final testing stage (Stage 4) of the Canal Point (CP) cultivar development program but was not released due to susceptibility to brown rust (caused by Puccinia melanocephala Syd. & P. Syd.). CP 88-1165 was not released in Florida because of its susceptibility to brown rust and low yield of commercial recoverable sucrose. However, after testing in Guatemala, CP 88-1165 was released there because of its high plant cane and ratoon per hectare yields of cane and sucrose and its acceptable resistance or tolerance to smut [caused by Ustilago scitaminea (Sydow & P. Sydow], brown rust, Sugarcane mosaic virus strain E (mosaic), Sugarcane yellow leaf virus, and red stripe (Acidovorax avenae subsp. avenae) in Guatemala.

Abbreviations: bp, base pair • CENGICAÑA, Centro Guatemalteco de Investigación y Capacitación de la Caña de Azucar • CP, Canal Point • CRS, commercial recoverable sucrose • SSR, simple sequence repeat