McFadden Ribbed navel orange
Citrus sinensis (L.) Osbeck
Photos by David Karp and Toni Siebert, 2/19/2010, CVC. Photo rights.
Source: Received as budwood from T.L. McFadden, RFD #2, Fullerton, Calif., 1914.
Parentage/origins: Apparently a budsport from a tree in the McFadden grove.
Rootstocks of accession: Carrizo citrange, C-35 citrange
Season of ripeness at Riverside: December to January
Notes and observations:
Buds collected from McFadden grove by Webber, Mertz, & Thomas. A variation of ribbed type growing on the place of T.L. McFadden. The tree has produced this ribbed fruit ever since planted and entire tree is this type, except a small limb on one side that is producing apparently normal fruit. This is a fairly large and good fruited type. This accession had psorosis and exocortis, removed by shoot tip grafting (STG 85-7).
EMN, 2/16/1988: No ribs at all. CRC 588, Golden Buckeye, is a much better example of ribbing in navels. Probably could eliminate this one (CRC 609) from the Collection.
EMN, 12/14/1989: Good medium crop on both trees and not a rib to be seen. Was Mr. McFadden ribbing us? Or was the chimera lost somewhere along the line during repropagation? Anyway, no ribs, no service.
Availability: Not commercially available in California.
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