Cross Made
UC Riverside breeding work in the 1950s produced pummelo hybrid 6C-28-18 from Siamese Sweet pummelo x (Ruby blood orange x Dancy mandarin).
Sources: [1]
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World of CitrusWorld of CitrusValentine Pummelo Hybrid
UC Riverside breeding work in the 1950s produced pummelo hybrid 6C-28-18 from Siamese Sweet pummelo x (Ruby blood orange x Dancy mandarin).
Sources: [1]
Robert Soost and James Cameron selected promising pigmented grapefruit-like hybrids in the 1970s, including the selection later known as Valentine.
Sources: [1]
A virus-free budwood source for Valentine was established at the Lindcove Research and Extension Center in Exeter, California, as VI 597.
Sources: [1]
The UCR Citrus Variety Collection record reports receiving clean budwood for CRC 4182 from the Citrus Clonal Protection Program in 2006.
Sources: [1]
UC Riverside released Valentine budwood to nurseries in 2009.
Sources: [8]
Ottillia 'Toots' Bier gave the selection the nickname Valentine because it matures near Valentine's Day and its longitudinally cut red flesh resembles a heart. The current record does not specify the naming year.
Sources: [1]