To access the 4th Edition of the Florida Citrus Rootstock Selection Guide, please click here. Scion trees grafted onto these rootstocks showed a reduced frequency of infection and reduced disease symptoms once infected, when compared to other commercial diploid rootstocks. © 2013 Florida Foundation Seed Producers, Inc. ‘UFR-1’, ‘UFR-2’, ‘UFR-3’, ‘UFR-4’, ‘UFR-5’, ‘UFR-6’, ‘UFR-15’, ‘UFR-16’ & ‘UFR-17’, ‘UFR-1’, ‘UFR-2’, ‘UFR-3’, ‘UFR-4’, ‘UFR-5’, ‘UFR-6’, ‘UFR-15’, ‘UFR-16’ & ‘UFR-17’, ‘UFR-1’, ‘UFR-2’, ‘UFR-3’, ‘UFR-4’, ‘UFR-5’, ‘UFR-6’, ‘UFR-15’, ‘UFR-16’ & ‘UFR-17’, ‘UFR-1’, ‘UFR-2’, ‘UFR-3’, ‘UFR-4’, ‘UFR-5’, ‘UFR-6’, ‘UFR-15’, ‘UFR-16’, & ‘UFR-17’, ‘UFR-1’, ‘UFR-4’, ‘UFR-5’, ‘UFR-6’ & ‘UFR-17’, ‘UFR-2’, ‘UFR-3’, ‘UFR-4’, ‘UFR-15’, & ‘UFR-16’, ‘UFR-2’, ‘UFR-3’, ‘UFR-4’, ‘UFR-5’, ‘UFR-6’, ‘UFR-15’, ‘UFR-16’ & ‘UFR-17’. FDACS - DPI. University of Florida Rootstocks (UFR’s) 3 In 2011, we were asked to assess … Previously, one could choose a rootstock based almost solely on yield, fruit quality and soil type. by Walter Tennyson Swingle in Eustis, Florida, in 1907. If your company is interested in obtaining a license, please contact FFSP. It will compare across all the rootstocks for those that rate highest on the most traits, then provide you a list of its top five recommendations. Furthermore, it is important to note that trees on these new rootstocks still require thorough psyllid control, and have performed best under experimental production systems that feature constant nutrition. Plants in the genus Citrus (and others closely related) provide a wide assortment of fruit types, including sweet orange, grapefruit, mandarin, lemon, lime, pummelo, kumquat, and finger lime. Now, despite increasing evidence suggesting that the choice of rootstock and scion variety may have a favorable impact on grove performance and financial outcomes in the presence of HLB, tree survival is also critical. Over 100 peer-reviewed publications about citrus rootstocks (mainly from Florida’s research and extension system). Lyn Citrus Seed has a long established reputation for providing quality citrus propagating materials to nurserymen, researchers and educators throughout the citrus growing regions of the world. As of March, FFSP has non-exclusively licensed 13 Florida citrus nurseries for the propagation and sale of citrus trees budded onto the four aforementioned rootstock varieties. This work is supported by the Citrus Research and Development Foundation Inc., CRDF project 18-13 and the USDA National Institute of Food and Agriculture, USDA-NIFA-CDRE project 2018-70016-27453. myUFL | Ferrarezi Citrus Horticulture Lab | Privacy Policy | Analytics (Google Privacy Policy) | 2020 © Florida Citrus Rootstock Selection Guide, Florida Citrus Rootstock Selection Guide Table, updated info about the UFR Series in the Rootstock Data Table. This site is dedicated to providing information to citrus growers, nurseries, and researchers about the citrus rootstocks that are a critical component for a healthy citrus tree. Rootstock Seed. This data table is a convenient, easy-to-use reference to 21 characteristics of 48 rootstocks. These citrus rootstocks were selected and released on the basis of their positive reaction to Huanglongbing disease (HLB, or citrus greening disease) in multiple experimental field trials under severe HLB disease pressure. Description: UF/IFAS has recently approved the release of several new citrus rootstocks under its Citrus Fast Track Release Option. The 4th edition has updated literature review articles, 3 new rootstocks(US Super Sours 1, 2 and 3), updated info about the UFR Series in the Rootstock Data Table, additional authors and contributors, and a new section with the History of the FLCRSG. Most citrus trees are grown as a grafted combination of a scion (fruiting cultivar) on the top, and a rootstock cultivar that forms the lower trunk and root system. 30 years of the Florida Rootstock Selection Guide. Long-term performance of trees on these rootstock selections is unknown, and yield and fruit quality data is limited. The following Citrus Seed Treatment is done to meet California’s requirements for registered citrus seed: All of Lyn Citrus seeds are extracted from fruit borne on trees registered with the … For more information on citrus rootstock trials being conducted by researchers at UF/IFAS, please click here. It was released by the US Department of Agriculture to nurserymen in 1974. Flying Dragon (Dwarf) Rootstock. For more information on these cultivars, please click here. The document #SP248 (Florida Citrus Rootstock Selection Guide, 4th Edition, by Drs. CRB Grants. Licensing Availability: FFSP has non-exclusively licensed the following entities for the propagation of the following Citrus Rootstock cultivars in the United States. NIFA SCRI Grants. If your company is interested in obtaining a license, please contact FFSP. Citrus Rootstocks. Florida Citrus Research Foundation. Grower-Cooperators. It was developed for use with Lemons, as some Lemons may not grow very well on other types of rootstock. Cox Mandarin Hybrid - is a newer variety of rootstock developed by the NSW DPI for citrus growers in the colder Riverina area. Choose the Right Citrus Rootstock After the arrival in 2005 of citrus greening disease, or huanglongbing (HLB), in Florida, making a profitable rootstock decision became more complicated. Trifoliata Rootstock. ‘UFR-1’,‘UFR-2’, ‘UFR-4’,‘UFR-5’,‘UFR-6’,‘UFR-15’, ‘UFR-16’, and ‘UFR-17’ Approaches Sexual hybridization using elite resistant and tolerant parents to develop superior rootstocks Study gene expression and metabolism with HLB and tolerant germplasm to guide development of tolerant cultivars Develop propagation methods and horticultural treatments … This rootstock selection was hybridized from the Duncan grapefruit (Citrus paradisi Macfadyen) and the Poncirus trifoliata (L.) Raf. This system emulates a human expert by systematically sorting information you provide, then determining the best possible recommendation for the given rootstock. Dr. Kim D. Bowman, USDA, ARS. ‘914’ The FLCRSG system will use the traits about the rootstocks, and utilize data that can provide facts that you tell it to deduce the best recommendations for your circumstance. These individuals developed or contributed to the rootstock selection guide. After the arrival in 2005 of citrus greening disease, or huanglongbing (HLB), in Florida, making a profitable rootstock decision became more complicated. Citrus Rootstock Breeding: The UF/CREC Citrus Improvement Team has worked very hard to establish a common sense delicate BALANCE between providing viable/profitable rootstock options for the short- medium term, and developing the HOMERUN rootstock(s) that will be the ANSWER to HLB for the future, regardless of the scion.

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