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- Title
Role of male-sterile cytoplasm in resistance to barley yellow mosaic virus and Fusarium head blight in barley.
- Authors
MATSUI, K; YOSHIDA, M; BAN, T; KOMATSUDA, T; KAWADA, N
- Abstract
Two types of male-sterile cytoplasm, designated msm1 and msm2 , in barley were investigated to determine whether these cytoplasms confer resistance to barley yellow mosaic virus (BaYMV) and Fusarium head blight (FHB). Alloplasmic lines and isogenic lines of two cultivars showed the same reaction to each BaYMV as that of their euplasmic lines. This demonstrates that the barley male-sterile cytoplasms msm1 and msm2 have no effect on resistance to BaYMV. No significant difference in reactions to FHB was recognized among fertile alloplasmic lines of `Adorra', but the difference in reactions to FHB between fertile and sterile isogenic lines of `Adorra' was significant. The damage caused by FHB in the male-sterile lines that produced sterile pollen was significantly greater than the damage in a sterile line that did not produce pollen. These results suggest that pollen or anthers are important factors in infection with or spread of FHB. For production of hybrid seeds, male-sterile lines with no pollen production, such as those with msm1 male-sterile cytoplasm, would reduce FHB infestation.
- Subjects
CYTOPLASMIC male sterility; FUSARIUM diseases of plants; PLANT resistance to viruses
- Publication
Plant Breeding, 2002, Vol 121, Issue 3, p237
- ISSN
0179-9541
- Publication type
Article
- DOI
10.1046/j.1439-0523.2002.00683.x