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World of CitrusWorld of CitrusC4-15-19 Mandarin-Hybrid
Jude W. Grosser · United States plant patent · Google Patents · 2015-11-17
https://patents.google.com/patent/USPP26086P3/en (opens in a new tab)
Plant patent describing C4-15-19 parentage, triploid breeding, Lake Alfred observations, fruit and tree traits, propagation and reported disease response. Patent assertions retain their trial context; legal metadata is not a legal determination.
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Graham H. Barry; Marco Caruso; Frederick G. Gmitter Jr. · Woodhead Publishing / ScienceDirect
Section 5.6.2 of the 2020 chapter Commercial scion varieties in The Genus Citrus identifies Kid’s Favorite as C4-15-19 and reports its Florida release. Retrieved via the Mandarin topic-page excerpt; the Tangor topic page repeats the same passage.
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University of Florida IFAS
https://research.ifas.ufl.edu/files/2012plants/CitrusInsert.sm.pdf#page=2 (opens in a new tab)
UF/IFAS program insert, April 2013, page 2: its release table lists C4-15-19 as a mandarin selection with release date 1/22/13. Supports the date as listed; this passage does not describe what action constituted release.
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Mark A. Ritenour; Cuifeng Hu; Yu Wang; Fernando Alferez · Citrus Industry
October 2019 article, Table 1 (printed p. 22; PDF p. 3) lists C4-15-19 (Kid’s Favorite) in three evaluations and reports mean fruit weight 105.7 g, TSS 15.7%, acids 0.77%, TSS/acid ratio 20.3, peel-color a*/b* 0.54, seven weeks’ storage, and 90% healthy fruit after storage. The article’s broader data collection spans seasons 2008–09 through 2018–19; the table does not identify the specific C4-15-19 evaluation years. Methods identify acids as percent citric acid by titration and TSS by temperature-compensated refractometer. This pooled result is distinct from the patent’s 2012 mid-November sample.
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