University of California, Riverside
College of Natural and Agricultural Sciences
UCR Citrus Variety Collection - Home
UCR Home UCR Web Sites
Search
Resources



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

 

 

 

 

 

 


How to Support the Collection


Page created by: Center for Visual Computing
Maintained by: tsiebert@ucr.edu

UC Seal