BGS 467: Resistance to Septoria passerinii Sacc. 3, Rsp3


Previous nomenclature and symbolization:

Sep3 (2) was replaced by Rsp3 (1).
Inheritance:
Monofactorial incompletely dominant (2).
Independent of Rsp, but closely linked to Rsp2.
Description:
Rsp3c conditions a high level of resistance to a single spore culture of S. passerinii isolated in Minnesota. Infection occurred in F1 plants but was limited to a few lesions.
Origin of mutant:
Spontaneous
Mutational events:
Rsp3c in Minn. 11-51-43, selected from a Feebar/Kindred cross.
Mutant used for description and seed stock:
Rsp3c in Minn. 11-51-43, CI 10644.
References:
  1. Moseman. J. G. 1972. Report on genes for resistance to pests. Barley Genet. Newsl. 2:145-147.
  2. Rasmusson, D. C. and W. E. Rogers. 1963. Inheritance of resistance to septoria in barley. Crop Sci. 3: 161-162.

Prepared:

Donald C. Rasmusson, 1988.