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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 705625'CP 16-1883'Saccharum sp.Florida, United States Historic2024DEVELOPEDCP 16-1883 was planted on a Dania and Lauderhill Muck soil at Duda Farms Inc. located in southern Florida with other varieties in December 2022. In late August 2023, 10 stalks were randomly collected for morphological measurements. The mean stalk height was 268.0 cm (soil surface to top visible dewlap). The mean stalk diameter was measured at the middle of the second internode (29.4 mm), fifth to tenth internodes from the ground (27.3 mm), and the middle of the hardened internode closest to the top visible dewlap (25.3 mm). The mean internode length of the fifth internode was 14.1 cm. CP 16-1883 exhibited cylindrical to slightly concave internodes with a growth ring width of 2.44 mm at the fifth internode. The root band was 8.22 mm wide. Buds of CP 16-1883 were dark green color and narrow ovate shaped. The mean length and width of the bud at the fifth internode from the bottom were 8.70 and 6.93 mm, respectively. Leaf sheath pubescence was very light along edge of leaf. Average cane yield of CP 16-1883 was 144.69 Mg ha-1, sucrose yield was 17.90 Mg ha-1, and economic index of '8,219 ha-1. CP 16-1883 tested negative for the Bru1 marker that has been linked to a major locus for brown rust resistance. CP 16-1883 was resistant to brown rust, orange rust, smut, and sugarcane mosaic virus (SCMV). CP 16-1883 was moderately resistant to ratoon stunt disease (RSD) and leaf scald. CP 16-1883 showed a high genetic divergence detected by SSR markers compared with commercial varieties and other released varieties for muck soils. CP 16-1883 demonstrated tolerance to freeze conditions. CP 16-1883 was released to the Florida growers for production use on muck soils.2168774PI 705625