'Puma' is a high quality, productive citrus
hybrid resulting from a cross between pummelo
and grapefuit (C. grandis x C. paradisi L.). The cross was made and resulting hybrid seedlings grown by the Department of Horticulture, University of Hawaii

Hamilton, Richard A.

Ito, Philip J.

ScholarSpace at University of Hawai'i at Manoa

HAWAII COOPERATIVE EXTENSION SERVICEHawaii Institute of Tropical Agriculture and Human ResourcesUniversity of Hawaii at ManoaCOMMODITY FACT SHEET GRA-3(AlFRUIT'PUMA' GRAPEFRUITRichard A. Hamilton, Emeritus Professor of HorticulturePhilip J. Ito, HorticulturistFIg. 1. 'Puma' tree.'Puma' is a high quality, productive citrushybrid resulting from a cross between pummeloand grapefuit (C. grandis x C. paradisi L.). Thecross was made and resulting hybrid seedlingsgrown by the Department of Horticulture, Uni-versity of Hawaii.Origin'Puma' was selected from a hybrid progeny ofplants produced by crossing the 'Nitta' grape-fruit with the so-called 'Tahitian' pumpelmous,actually a juicy, thin-skinned pummelo, C.grandis. Seedlings were grown at the Poamohoexperimental farm on Oahu, and a selectiondesignated BR4T5 was made in 1978. 'Puma' is avigorous plant. producing heavy crops of juicy,high quality fruit~ Budwood has been distributedfor testing at various locations throughoutHawaii.Description'Puma' trees are compact with a roundedcanopy (Fig. 1). The leaves most resemble thoseFIg. 2. 'Puma' fruit.of the pumpelmous (C. grandis) parent. Averagefruit weight is about 1.1 lb (500 g). Fruits areovate and slightly flattened at the stem andstylar ends (Fig. 2). The diameter averages about5 in (15 em). The rind is thin. averaging about1/3 in (l em) in thickness. Fruits mature in latewinter, and six-year-old trees have yielded morethan 300 fruits. The pulp is tender, juicy, and notbitter. Soluble solids average 16 percent. and thejuice has a desirable sugar-to-acid ratio. Thefruit most resembles a large. juicy grapefruitwith a mild. pleasant pummelo flavor. Becauseof its desirable subacid flavor and high juicecontent. 'Puma' i~ used primarily as a breakfastfruit or for juice.AvailabilityBudwood or scionwood is available in limit-ed quantities from the Beaumont ResearchCenter. Hawaii Agricultural Experiment Sta-tion. Hilo. HI 96720. and the Department ofHorticulture. University of Hawaii. Honolulu. HI96822.Issued in furtherance of Cooperative Extension work, Acts of May 8 and June 30, 1914, in cooperation with the U.S. Department ofAgriculture. Noel P. Kefford, Director and Dean, Cooperative Extension Service, College of Tropical Agriculture and Human Resources,University of Hawaii at Manoa, Honolulu, Hawaii 96822. An Equal Opportunity Employer providing programs and services to the citizens ofHawaii without regard to race, color, national origin, or sex. . 12/92

'Puma' Grapefruit

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'Puma' Grapefruit

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