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'Sweet Charlie' Strawberry
http://edis.ifas.ufl.edu/ ( Publisher's URL )
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Permanent Link: http://ufdc.ufl.edu/IR00001007/00001
 Material Information
Title: 'Sweet Charlie' Strawberry
Physical Description: Fact Sheet
Creator: Chandler, Craig Kellman
Albregts, E. E.
Howard, C. M.
Brecht, Jeffrey K. 1942-
Publisher: University of Florida Cooperative Extension Service, Institute of Food and Agriculture Sciences, EDIS
Place of Publication: Gainesville, Fla.
Publication Date: 2001
 Subjects
Subjects / Keywords: Strawberries -- Varieties
Genre:
Spatial Coverage:
 Notes
Abstract: Introduction -- Origin -- Description -- Disease Reactions -- Availability
Acquisition: Collected for University of Florida's Institutional Repository by the UFIR Self-Submittal tool. Submitted by Diana Hagan.
Publication Status: Published
General Note: "Original publication date October 2001. Reviewed April 2009."
General Note: "HS820."
 Record Information
Source Institution: University of Florida Institutional Repository
Holding Location: University of Florida
Rights Management: All rights reserved by the submitter.
System ID: IR00001007:00001

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C. K. Chandler, E.E. Albregts, C.M. Howard, and J.K. Brecht2 1. This document is HS820, one of a series of the Horticultural Sciences Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Original publication date October 2001.Reviewed April 2009. Visit the EDIS Web Site at http://edis.ifas.ufl.edu. 2. C.K. Chandler, associate professor, Gulf Coast Research and Education Center Dover; E.E. Albregts, emeritus professor (deceased), Gulf Coast Research and Education Center Dover; C.M. Howard, professor (deceased), Gulf Coast Research and Education Center Dover; J.K. Brecht, associate professor, Horticultural Sciences Department, Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, 32611. 'Sweet Charlie' strawberry (Fragaria xananassa ) offers strawberry growers in Florida, and other areas with relatively mild winter climates, a short-day cultivar that is early fruiting and produces fruit that has a distinctively sweet flavor and is resistant to anthracnose (caused by Colletotrichum acutatum). Plants of 'Sweet Charlie' generally start producing ripe fruit about two weeks earlier than 'Camarosa', a University of California release, that is currently the standard, main-season cultivar in west central Florida. 'Sweet Charlie' was named in honor of the late Charles M. (Charlie) Howard, plant pathologist at the University of Floridas Gulf Coast Research and Education Center from 1967 to 1991. 'Sweet Charlie' (tested as FL 85-4925) was selected in 1986 by C.M. Howard from a cross between FL 80-456 and 'Pajaro'. FL 80-456 was an anthracnose resistant clone selected by C.M. Howard in 1981. 'Pajaro' is a 1980 release from the University of California that produces firm, attractive, and flavorful fruit under west central Florida conditions, but is highly susceptible to anthracnose. The size of 'Sweet Charlie' plants varies according to planting date, but they tend to be smaller and more compact than plants of 'Camarosa' planted on the same date (Fig. 1). 'Sweet Charlie' strawberry plant. Credits: C.K. Chandler 2000 The recommended planting period for 'Sweet Charlie' in west central Florida is October 1 to

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'Sweet Charlie' Strawberry 2 October 15, while the recommended plant density is 17,424 to 21,780 plants/acre. Leaves are generally slightly cupped, medium to dark green, and semi-glossy. Primary fruit are usually wedge shaped; secondary and later fruit are conical to wedge shaped (Fig. 2). 'Sweet Charlie' fruit. Credits: C.K. Chandler 2000 Average fruit weight is 17 g. External fruit color is orange red; internal color is orange streaked with white. The achenes are greenish yellow and slightly recessed. The calyx is large, with 1.5 to 2.5 cm long coarsely serrated lobes. Fruit of 'Sweet Charlie' is often sweet and flavorful due to a consistently low acid content. 'Sweet Charlie' has generally produced higher December and February fruit yields than other cultivars grown in west central Florida. Long distance shipment of its fruit during warm weather is not recommended because the fruit can have a relatively short shelf life. 'Sweet Charlie' has shown no symptoms of anthracnose fruit rot in commercial Florida field situations where it has been grown adjacent to susceptible cultivars that are showing severe symptoms of this disease. 'Sweet Charlie' is, however, susceptible to Colletotrichum crown rot (caused by Colletotrichum gloeosporioides). Powdery mildew (Sphaerotheca macularis f.sp. fragariae) has not been a serious problem on 'Sweet Charlie'. The University of Florida's Institute of Food and Agricultural Sciences obtained a U.S. plant patent (no. 8,729) on 'Sweet Charlie' in 1994. A list of nurseries licenced to propagate 'Sweet Charlie' can be found at http://strawberry.ifas.ufl.edu.