Poncirus trifoliata (L.) Raf. RUTACEAE
Received as seed 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. Roose #I89-1-9 (Rubidoux Code 1881-1). Nucellar seedling of 'big-leaf' type trifoliate from Institute of Horticulture, Hunan Academy of Agricultural Sciences, Changsha, Hunan, PRC. Lot of 60 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. Budwood from seedling tree I89-1-9 to NCGRCD, 04-1991.
Not commercially available in California.