World of CitrusUS-852 Citrandarin
US-852 originated from a controlled cross of Changsha mandarin as the seed parent and English Large Flowered trifoliate orange as the pollen parent made by J. R. Furr at the USDA Date and Citrus Station in Indio, California, in 1965.
Made the 1965 Changsha mandarin × English Large Flowered trifoliate orange cross.
Sources: [7]
USDA-ARS released US-852 in August 1999 for commercial rootstock trials in Florida. Long-term testing showed highly productive, medium-sized trees, good fruit quality, low root-sprout production, and useful resistance or tolerance to several important citrus diseases.
Released US-852 in August 1999.
Conducted long-term Florida field testing and development of US-852 leading to its release.
Conducted Florida evaluation and development of US-852 leading to its 1999 release.
Sources: [7]
Don Hutchison selected US-852 from several dozen siblings derived from the 1965 Changsha × English Large Flowered trifoliate orange population. During Florida testing the selection was known as HRS-852.
Selected HRS-852 from the 1965 Changsha × English Large Flowered trifoliate population.
Sources: [8]