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Citradia hybrid (CRC 1438)

X Citroncirus spp. RUTACEAE

CRC 1438
PI 539835


Source

Received as a cutting from W.T. Swingle, USDA, 06/1924.


Parentage/origins

Reported to be a trifoliate and sour orange hybrid.


Rootstocks of accession

Carrizo citrange, C-35 citrange


Season of ripeness at Riverside

October to November


Notes and observations

Hybrid stock. See CRC 1436 regarding variability of citradia seedlings.


Description from The Citrus Industry Vol. 1 (1967)

"Although remarkable different from Citrus in nearly all respects, Poncirus hybridizes freely with the citrus species.  Because of its outstanding cold-hardiness, it was early used in the citrus breeding program of the U.S. Department of Agriculture.  Beginning in Florida in 1897 and continuing for several decades, many crosses were made between the trifoliate orange and citrus species and some with other genera.  From this work came a series of bigeneric hybrids—the citranges, citrumelos, citrandarins, citremons, citradias, and citrumquats—a few of which are of horticultural importance or promise."


USDA Germplasm Resources Information Network page for Citradia (CRC 1437)

 

 

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Photos by David Karp and Toni Siebert, CVC.
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