World of CitrusKiyomi Tangor
At Okitsu, Miyagawa-wase was pollinated with Trovita orange pollen in 1949 to breed a tangor.
Breeding program responsible for the 1949 Miyagawa-wase × Trovita cross that produced Kiyomi.
Sources: [10]
The Kiyomi hybrid seedling first fruited in 1963 at Okitsu.
Sources: [10]
The promising hybrid was designated Citrus Okitsu No. 21 in 1974 and entered adaptability and characteristic trials.
Selected and advanced the hybrid as Citrus Okitsu No. 21.
Sources: [10]
The selection was named Kiyomi and registered as Tangor Norin No. 1 on June 29, 1979.
Breeding institution responsible for Kiyomi and its registration as Tangor Norin No. 1.
Kiyomi budwood was received from Japan by the Riverside citrus collection in 1985; the accession became CRC 3952 / PI 539246.
Received and maintained Kiyomi budwood from Japan in the Riverside citrus germplasm collection.
Sources: [1]
The Chiefland Budwood Facility reports that its DPI-136 Kiyomi clone was introduced to Florida’s CGIP from the National Citrus Germplasm Repository in 2004; this is clone-specific and not a general introduction date for all Kiyomi material.
Sources: [7]
The Chiefland Budwood Facility reports indexing its DPI-136 Kiyomi clone completed in 2007, with limited thermal therapy reported; this is clone-specific and not a general indexing date for all Kiyomi material.
Sources: [7]