World of CitrusBitters C-22 Citrandarin
W. P. Bitters evaluated C-22 and related hybrids for citrus tristeza virus tolerance in trials established in 1966 and 1968. The hybrids showed good tolerance to the virus.
Evaluated C-22 and related hybrids for citrus tristeza virus tolerance in trials established at the South Coast Research and Extension Center in 1966 and 1968. C-22 was later named in his honor.
Sources: [1]
Bitters C-22 was one of three Sunki mandarin × Swingle trifoliate orange rootstocks released by UC Riverside in August 2009, following USDA Indio breeding and UCR selection and testing.
Sources: [7]
Budwood of Bitters C-22 was distributed for the first time through the University of California Citrus Clonal Protection Program.
First distributed C-22 budwood in September 2009.
John Carpenter and Joe Furr produced C-22 by crossing Sunki mandarin with Swingle trifoliate orange through the USDA breeding program at the USDA Date and Citrus Station.
Co-created the Sunki mandarin × Swingle trifoliate orange hybrid at the USDA Date and Citrus Station in Indio, California.
Co-created the Sunki mandarin × Swingle trifoliate orange hybrid at the USDA Date and Citrus Station in Indio, California.
Conducted the USDA breeding program at Indio, California, in which C-22 was hybridized.
Conducted the subsequent testing, selection, and development of the hybrid as a citrus rootstock.
Sources: [1]
Selection C-22 was named ‘Bitters’ in honor of W. P. “Bill” Bitters.
Sources: [1]