Description:
HA-BSR6 was selected from the cross HA 89/3/HA 458//NMSHA 89/PI 468853. HA 89 (PI 599773) is an inbred maintainer line. The nuclear male-sterile line NMSHA 89 (PI 559477) possesses a single recessive nuclear male sterility gene ms9. HA 458 (PI 655009) is a high oleic and downy mildew resistant germplasm. PI 468853 is an accession of wild annual Helianthus praecox Engelm & Gray subsp. runyonii Heiser collected in Texas in 1981 and identified as resistant to Sclerotinia basal stalk rot.