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Recorded contributions to citrus breeding, introduction, and history.
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World of CitrusWorld of CitrusRecorded contributions to citrus breeding, introduction, and history.
8 credits across 8 varieties · W. P. “Bill” Bitters
Documented the accession during his 1963 trip to Japan and facilitated its transfer as seed to the UC Riverside Citrus Research Center.
W. P. Bitters examined and documented the fruit and tree during his 1963 trip to Japan, recording fruit dimensions, rind and flesh characteristics, seediness, polyembryony, flavor, foliage, and its use as a quick-decline indicator.
Japan
Sources: [1]
Source of the Sudachi seed received for CRC 3471 in 1963.
The Sudachi accession maintained as CRC 3471 was received as seed from Dr. W. P. Bitters in 1963. UCR identifies the source material as from Okitsu, Shizuoka Prefecture, Japan; CRC 3471 / PI 539676 / VI 693 are accession identifiers. This accession receipt is separate from Sudachi's traditional origin.
Riverside, California, United States
Sources: [1]
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.
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.
Irvine, California, United States
Sources: [1]
Evaluated C-54 and related hybrids for citrus tristeza virus tolerance in trials established in 1966 and 1968.
W. P. Bitters evaluated C-54 and related hybrids for citrus tristeza virus tolerance in trials established in 1966 and 1968. All three selections showed good tolerance to the virus.
Irvine, California, United States
Sources: [1]
The source tree was growing as a rootstock sprout in Bitters’ tristeza evaluation plot.
Don Cole obtained budwood from a rootstock sprout growing on tree 12D-22-1 in the W. P. Bitters tristeza trial plot. The source tree had been inoculated with tristeza.
Riverside, California, United States
Sources: [1]
Evaluated C-57 and related hybrids for citrus tristeza virus tolerance in trials established in 1966 and 1968.
W. P. “Bill” Bitters evaluated C-57 and related Sunki × Swingle hybrids for citrus tristeza virus tolerance in trials established in 1966 and again in 1968 at the South Coast Research and Extension Center in Irvine, California. The tested hybrids showed good tolerance to the virus.
Irvine, California, United States
Sources: [1]