View source for Yūkō

{{Short description|Citrus fruit and plant}}
{{Infobox cultivar
| name = Yūkō
| image = Citrus yuukou3.jpg
| image_size =
| image_caption =
| image_alt =
| genus = ''[[Citrus]]''
| species = ''[[Citrus yuko]]''
| hybrid =
| group =
| cultivar = Yuko
| marketing_names =
| breeder =
| origin = Nagasaki Prefecture, Japan
| subdivision =
}}
The {{nihongo|'''yūkō'''|ゆうこう}}, also written '''yukou''',<ref>[http://www.citrusvariety.ucr.edu/citrus/documents/JapaneseAcidCitrus.pdf ''Molecular characterization and genetic diversity among Japanese acid citrus (Citrus spp.) based on RAPD markers''], Journal of Horticultural Science & Biotechnology (2003) 78(1) 108-112.</ref> is a [[Japanese citrus]] found in the [[Nagasaki Prefecture]] and [[Saga Prefecture]] of Japan.<ref>{{Cite web|url = http://www.fondazioneslowfood.com/it/arca-del-gusto-slow-food/yk-lett-yuukou/|title = Yuko|access-date = 15 February 2015|website = Ark of Taste|publisher = Slow Food Foundation for Biodiversity}}</ref> Genetic analysis has shown it to be a cross between the [[kishumikan]] and [[Koji orange|koji]], a part-[[tachibana orange]] hybrid native to Japan.<ref name=Shimizu>{{cite journal | last1=Shimizu | first1=Tokurou |last2=Kitajima | first2=Akira | last3=Nonaka |first3=Keisuke | last4=Yoshioka | first4=Terutaka | last5=Ohta | first5=Satoshi | last6=Goto | first6=Shingo | last7=Toyoda | first7=Atsushi | last8=Fujiyama | first8=Asao | last9=Mochizuki | first9=Takako | last10=Nagasaki | first10=Hideki | last11=Kaminuma | first11=Eli | last12=Nakamura | first12=Yasukazu | title=Hybrid Origins of Citrus Varieties Inferred from DNA Marker Analysis of Nuclear and Organelle Genomes | journal=PLOS ONE | volume=11 | issue=11 | page=e0166969 | doi=10.1371/journal.pone.0166969| pmid=27902727 | pmc=5130255 | year=2016 | bibcode=2016PLoSO..1166969S | doi-access=free }}</ref>
<br /><gallery>
File:Citron Japonais.jpg|Yuko
File:Yuukou1.jpg|Citrus Yuko
File:Citrus yuukou4.jpg|Cross section of a Yuko
</gallery>
== See also ==
*[[Citrus depressa|''Citrus'' × ''depressa'' (Shikwasa, Hirami lemon)]]
* [[Jabara (citrus)|Jabara]]
== References ==
{{reflist}}
== External links ==
*[http://www.tokyofoundation.org/en/topics/japanese-traditional-foods/vol.-11-the-yuko-a-native-japanese-citrus The Yuko, a Native Japanese Citrus]
{{citrus}}
{{Citrus-stub}}
{{Fruit-stub}}
[[Category:Chinese fruit]]
[[Category:Citrus hybrids]]
[[Category:Garden plants of Asia]]
[[Category:Japanese fruit]]
[[Category:Ornamental trees]]