Poncirus trifoliata (L.) Raf. RUTACEAE
Received as budwood from Hunan Horticultural Institute, China (PRC), 1989.
Rootstocks of accession
Season of ripeness at Riverside
October to November
Notes and observations
Put in variety collection at request of Mike Roose. Seed grown at Rubidoux (Exp. 1881)- both trees from same seedling. Source: "little-leaf" type with a unique isozyme genotype (type B).
Roose #I89-2-40 (Rubidoux Code 1881-2). Nucellar seedling of 'little-leaf' type trifoliate from Institute of Horticulture, Hunan Academy of Agricultural Sciences, Changsha, Hunan, PRC. Lot of 52 seeds (collected 12-1988) received by D. Gumpf for M. Roose, 02-29-1989. Selected as nucellar type by M. Roose based upon isozyme data (unique isozymes pattern [type B]). Budwood from seedling tree I89-2-40 to NCGRCD 04-1991.
Not commercially available in California.