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World of CitrusWorld of CitrusYalaha Tangelo
Givaudan Citrus Variety Collection at UCR
https://citrusvariety.ucr.edu/crc2559 (opens in a new tab)
Accessed
Walter T. Swingle, T. Ralph Robinson, and E. M. Savage · United States Department of Agriculture · 1931-08
USDA Circular 181. Historical source: Yalaha is described as generally resembling Minneola and having about the same maturity season; the source's individual Yalaha description is separate.
Accessed
F. E. Gardner and G. E. Horanic · Proceedings of the Florida State Horticultural Society · 1959-06-13
https://journals.flvc.org/fshs/article/download/101309/97253/130008 (opens in a new tab)
Table 1 (printed p.83) lists Yalaha tangelo as a rootstock under Valencia orange tops: adjusted injury rating 5.85, unadjusted 6.00, trunk circumference 43.5 cm. This was a 10-year-old Weirsdale planting rated June 18, 1958 after 1957–58 freezes; paired stocks, four replications, replicate 4 omitted, six trees per stock in the calculation. These are study-specific comparative scores, not a Yalaha scion rating or temperature threshold. Table 2's separate 1.2 bark-splitting score is from Cooper's Red Blush grapefruit-top Texas study and is not the Florida Valencia trial.
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Edward O. Olson and G. H. Godfrey · Rio Grande Valley Horticultural Club · 1953
http://www.subplantsci.org/wp-content/uploads/2016/02/v07-1953.pdf (opens in a new tab)
Table 2 (printed p.28) reports Yalaha tangelo seedlings with 2 deaths from cotton root rot in 1951, 0 deaths in 1952, and 1 plant alive in September 1952. The table covers citrus seedlings in Substation 15 plots inoculated in 1950. These are reported counts, not percentages; the table gives no Yalaha-specific denominator. The authors state that the experiments were insufficient to determine relative susceptibility among citrus rootstock seedlings. This does not establish a mature-tree resistance classification.
Accessed