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Shaddock X St. Michael orange hybrid

Citrus hybrid RUTACEAE

CRC 42

PI 539224



Photos by David Karp and Toni Siebert, CVC.10/30/2013.  Photo rights.  


Source: Received as budwood from F. M. Reed, Riverside, CA, 1910.


Parentage/origins: One from the grove of F.M. Reed, Riverside. Fertilized with St. Michael pollen by Runt & Reed, Spring 1909. Rec'd by J.H. Norton 12/20/1909. Rec'd by J.H. Coit 1/07/10 for germ. At Pasadena City Farm 1/09/10. Tree that bore fruit was PI 11668.--J.E. Obit.


Rootstocks of accession: Carrizo citrange, C-35 citrange


Season of ripeness at Riverside: October to November


Notes and observations:

Small, smooth fruit with leathery skin. Sour but highly flavored. About half of fruits seedless. Pulp tender; medium-sized pulp vesicles, orange colored. Foliage much like orange, but petiole wings broader. Flowers large. Fruit fr Rubidoux orchard R-5 T-3--tested 5/18/35. A small thin-skinned smooth fr, seedless. Not very sweet, but highly flavored. Trees in 1-ABC clearly the same as Rubidoux R-5 T-3. Fruit smooth, thin leathery skin, axis small, seedless both at Rubidoux & in CRC var. orchard. Sour & highly flavored, no more acid in March than May; pulp tender & med. Sized pulp vesicles, orange colored. Foliage much like orange, but wings on petiole broader. Flowers large.It seems as a fruit like this would have value but it may be too sour--watch in future years."--W.J. This was seedling #1, CRC 42-1; other seedling lines are now gone.

2/22/88- W.J. was right (see above)- attractive fruit but too sour. EMN


Availability: Not commercially available in California.


USDA Germplasm Resources Information Network page for Shaddock x St. Michael orange hybrid







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