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This is a second introduction of the same genotype as RRUT 195, which did not establish and was inactivated. (RRK, 03/2007)

According to Siebert et al (2010): "`Lemonade? is reported to be a sweet lemon hybrid of un- known parentage with a very pleasant taste, and can be readily but not easily peeled. The fruit is small-medium, and not very seedy. The trees are semi-dwarfed (on trifoliate rootstock), but quite productive.The main crop matures in early spring in New Zealand, with much smaller summer crops also occurring. Un- fortunately there is no commercial production in New Zealand, although it is a popular home garden tree. It is susceptible to citrus scab disease; however, in a drier climate this should be less of a problem. (This information redacted from an email from Andrew Harty via Peter Chaires, 12/07/2005) Although the budsource trees are derived from trees at the CCPP that tested negative for all known graft-transmissible diseases, trees of `Lemonade? propagated in Riverside have shown a tendency to develop small brown to black lesions on the bark. The reason for these lesions is currently unknown.`Lemonade? trees propagated at Riverside are not particularly vigorous but the relationships of this to the observed lesions is not known". (RR Krueger, 01/03/2011)

Information on this accession from the CVC website.

Information on this accession from the CCPP website

According to Paco Llatser in a conversation in Manzanillo, Mexico in August, 2011 'Primosole' is not protected by AVASA. It is very early (slightly later than 'Iwasaki', or mid- to late September in Spain). The fruit looks good with a more reddish color than most Satsumas and with good size. However, the taste is inferior..."It tastes even worse than Satsumas," according to Paco. (RR Krueger, 08/26/2011)

According to Siebert et al (2010): "'FairchildLS' is an irradiated selection of 'Fairchild' mandarin developed at UC Riverside. The distinctive trait of 'FairchildLS' is that it is considered to be low seeded (2.4 seeds per fruit) despite any cross-pollination. 'FairchildLS' fruit are deeply oblate in shape with no neck. The fruit is medium sized for a mandarin (classed as Large by State of California standards) averaging 64 mm (2.5 in.) in diameter and 56 mm (2.2 in.) in height with a very smooth, deep orange rind color. The rind is relatively thin and at maturity is considered moderately easy to peel. The fruit interior has fine flesh texture with 10-11 segments. The fruit are juicy averaging 47% juice with an average weight of 110g. 'FairchildLS' matures in winter (late January) and holds its fruit quality characteristics through late March. Fruit from trees on Carrizo citrange rootstocks average 12.1-13.0% soluble solids and 0.85-1.17% acid in January increasing to 13.2-14.5% soluble solids with decreasing acid of 0.76-0.93% by mid-March at four trial locations. Fruit from trees on C-35 citrange rootstocks average 11.2-12.8% soluble solids and 0.94-1.23% acid in January increasing to 13.1-14.0% soluble solids with decreasing acid of 0.78-1.01% by mid-March. 'FairchildLS' averages 2.4 + 0.6 seeds per fruit in the presence of cross-pollination at all trial locations throughout California compared to 15-25 seeds per fruit for regular 'Fairchild'. Pollen of 'FairchildLS' has very low viability, therefore it has a very low likelihood of causing seeds in other citrus, particularly mandarins, when planted nearby. Fruit production for 'FairchildLS' begins in the third year after planting. Four-year-old trees averaged 62-88 lb, and five year old trees averaged 92-108 lbs. Alternate bearing can be a problem by years seven and eight (information from M.L Roose and T.E. Williams). Patent and/or propagation rights for 'Fairchild LS' mandarin are held by the Regents of the University of California. Budwood is available only to nurserymen who have a License Agreement for these cultivars."

The developers describe 'FairchildLS' as an "Early-mid season maturing (early - late December) irradiated selection of 'Fairchild' mandarin. Similar in many appearance and quality characteristics to 'Fairchild' with the exception of seed numbers (2.8 - 3.3 seeds/fruit compared to 15 - 30 seeds/fruit for 'Fairchild'). Fruit are richly flavored and sweet when mature (14 and#186; brix) with a fairly smooth, orange rind. fruit are slightly more elongated than normal 'Fairchild'. Production appears to be somewhat less than 'Fairchild' underr notmal field cross-pollinated conditions. Alternate bears. Very good fruit quality in all climate zones." (Information from M Roose and T Williams, 06/28/2008).

Additional information is available here. (RR Krueger, 07/14/2010)

According to Siebert et al (2010): "Tango is a patented (Plant Patent #17863) irradiated selection of W. Murcott mandarin developed at UC Riverside. Fruit of 'Tango' are similar to W. Murcott in all appearance, quality and production characteristics with the exception of seed numbers. 'Tango' fruit are deeply oblate in shape with no neck. The fruit is medium sized for a mandarin (classed as Large by State of California standards and size 28 by industry packing standards) averaging 59 mm (2.32 in.) in diameter and 48 mm (1.89 in.) in height with a very smooth, deep orange rind color. The rind is relatively thin and at maturity is easy to peel. The fruit interior has fine flesh texture with 9-10 segments and a semi-hollow axis of medium size at maturity. The fruit are juicy averaging slightly over 50% juice with an average weight of 90.6 g (3.2 oz.). 'Tango' matures in winter (late January) and holds its fruit quality characteristics through April into May. Production is excellent averaging 800-900 cartons/acre when planted at densities of 250-300 trees/acre. Fruit from trees on Carrizo and C-35 citrange rootstocks average 11.1-13.1% soluble solids and 0.97-1.19% acid in January increasing to 13.5-15.4% soluble solids with decreasing acid of 0.54-0.82% in April. 'Tango' averages 0.04 + 0.2 seeds per fruit in the presence of cross-pollination at seven trial locations throughout California compared to 11.6-22.6 seeds per fruit for W. Murcott. Pollen of 'Tango' has very low viability consequently it has a very low likelihood of causing seeds in other citrus, particularly mandarins, when planted nearby. Like 'W. Murcott', trees of 'Tango' have a tendency to overbear and therefore need to be regularly pruned to maintain good, but not excessive production and to maintain fruit size and prevent alternate bearing. Crop yields should be limited to about 150-170 lbs/tree (6-7 mandarin boxes) through a combination of pruning and, if needed, fruit thinning and should be harvested on time, not left on the trees as this can lead to alternate bearing (information from M.L Roose and T.E. Williams). Patent and/or propagation rights for 'Tango' Mandarin are held by the Regents of the University of California. Budwood is available only to nurserymen who have a License Agreement for these cultivars."

More information is available from the developer's website, the Citrus Variety Collection website, the Citrus Clonal Protection Program website, and the plant patent description.

Enjoy! (RR Krueger, 07/15/2010)

According to Siebert et al (2010): "'C54-4-4' was selected for introduction to California in 1997 by members of the California Citrus Nurserymen Society (CCNS) during a tour of the INRA-CIRAD Station de Recherches Agronomiques in San Giuliano, Corsica, associated with the Congress of the International Citrus Nurserymen?s Society. C54-4-4 is actually a product of California, being a cross of 'Clementine' X 'Murcott'. The cross was actually made at the USDA Horticultural Research Laboratory in Orlando, Florida, by Dr Phil Reece but the seeds were sent to Dr Joe Furr at the USDA Date and Citrus Station in Indio for testing and development. In 1963, budwood was sent from California to Texas for evaluation by Dr Heinz Wutscher, USDA, Weslaco. The characteristics of 'C54-4-4' under Texas conditions is presented in [Wutscher and Shull (1978)]. Those results indicate that 'C54-4-4' is a late maturing mandarin with uniform exterior color with 20 % granulation. The fruit was large with an average of 22 seeds per fruit. Brix was intermediate in the varieties reported upon, but acid was among the lowest reported. Therefore, the brix/acid ratio was the second highest among the varieties evaluated. Yields were intermediate. This data was based upon harvest in January or February for the years 1969 - 1974. Dr Wutscher introduced this selection into Florida when he transferred to Orlando in 1975, and evaluated it in Florida conditions. In Florida, it proved susceptible to scab (a disease that we do not have in California). Dr Wutscher later made a scab-resistant selection of 'C54-4-4' that has recently been released by Florida Division of Plant Industry (DPI) as 'Furr' mandarin. Note that this is not the 'Furr' trifoliate hybrid rootstock recently released by UC Riverside. In the 1980's, prior to making the scab-resistant selection, Dr Wutscher sent budwood of 'C54- 4-4' to Corsica. This is the source of the recent introduction into California and hence does not represent the scab-resistant Florida selection 'Furr'."

In Florida, 'Furr' (RRUT 458) matures about February as per Wutscher and Shull (1978) (Greg McCollum, personal communication, 2010). However, Mike Kesinger states that 'Furr' matures in November. Additional information on 'C54-4-4', including fruit quality data is available from the UC Riverside Citrus Variety Collection, and suggests that maturity is November - December in California. (RR Krueger, 09/03/2010)

'US Furr' was officially released in January, 2014. More information is avaailable in the Release Notice. (RR Krueger, 03/19/2014)

More information at CCPP.

"'Valentine' is the most promising of the seedy pigmented low-acid pummelo hybrids selected by Drs. Soost and Cameron in 1986 from a cross of 'Siamese Sweet' pummelo x ('Ruby' blood orange x 'Dancy' mandarin). It received its name from former Staff Research Associate for the Citrus Variety Collection Ottillia "Toots" Bier, who nicknamed it 'Valentine' not only because the fruit matures in mid-February near the Valentine's Day holiday, but also because often when the fruit is cut lengthwise and turned upside down, the flesh of the fruit resembles a vibrant red heart. 'Valentine' fruits are round to somewhat pyriform (pear-shaped). The average fruit size is large with a mean width of 10.8 cm (4.25 inches) and a height (including the neck) of 11.0 cm (4.33 inches). The mean weight per fruit is 531.1 grams (18.7 ounces). Rind color is medium to dark yellow. The rind texture is moderately smooth with a mean thickness of 8.8 mm (0.35 inches). Fruit samples from Lindcove generally have a thicker rind than samples from Riverside. The number of seeds per fruit averages 27.6. However, the mean number of seeds per fruit among 36 different 10-fruit samples ranged from 2.6 seeds per fruit to 51 seeds per fruit. The mean juice weight is 201.8 grams (7.1 ounces) and the average juice content is 38.6%. The red flesh color of 'Valentine' can be somewhat variable in its distribution and intensity inside the fruit. Color formation first appears in mid-January and becomes more intense in early to mid February when the solids to acid ratio is an average of 16:1."

More extensive information on the history and characteristics of this variety as well as high quality images are available in Siebert et al (2009) and from the UCR Citrus Variety Collection. (RR Krueger, 10/04/2009, rev 06/11/2010)