BGS 466: Resistance to Septoria passerinii Sacc. 2, Rsp2

Previous nomenclature and symbolization:

Sep2 (2) was replaced by Rsp2 (1).
Inheritance:
Monofactorial incompletely dominant (2).
Independent of Rsp, but closely linked to Rsp3.
Description:
Rsp2b conditions a high level of resistance to a single spore culture of S. passerinii isolated in Minnesota. Pycnidia were observed on some, but not all F1 plants.
Origin of mutant:
Spontaneous
Mutational events:
Rsp2b in CI 4780
Mutant used for description and seed stock:
Rsp2b in CI 4780
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.