Cross Made
Kim D. Bowman made the Hirado Buntan seedling pummelo × Cleopatra mandarin cross at USDA A.H. Whitmore Foundation Farm in Groveland, Florida, in 2003.
Sources: [4]
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World of CitrusWorld of CitrusUS SuperSour 1
Kim D. Bowman made the Hirado Buntan seedling pummelo × Cleopatra mandarin cross at USDA A.H. Whitmore Foundation Farm in Groveland, Florida, in 2003.
Sources: [4]
USDA Agricultural Research Service released US SuperSour 1 as a citrus rootstock on 2 November 2018.