| |
| Web URL(s): | http://www.apsnet.org/publications/PlantDisease/BackIssues/Documents/1992Articles/PlantDisease76n08_783.pdf
Last checked: 08/25/2010
Requires: PDF Reader |
|---|
| Publication Type:
| Refereed |
|---|
| Author(s): | Krupinsky, J. M. |
|---|
| Author Affiliation: | Research Plant Pathologist, Agriculture Research Service, United States Department of Agriculture, Northern Great Plains Research Laboratory, Mandan, North Dakota |
|---|
| Title: | Aggressiveness of Pyrenophora tritici-repentis isolated from grass and barley hosts |
|---|
| Source: | Plant Disease. Vol. 76, No. 8, August 1992, p. 783-789. |
|---|
| Publishing Information: | St. Paul, MN: American Phytopathological Society |
|---|
| # of Pages: | 7 |
|---|
| Keywords: | TIC Keywords: Drechslera tritici-repentis; Triticum aestivum; Hordeum vulgare; Turfgrasses
|
|---|
| Abstract/Contents: | "Isolates from grass and barley hosts were tested for their aggressiveness on inoculated detached seedling leaves of wheat. In phase 1, isolates were determined to be pathogenic on wheat, and differences among isolates were detected. In phase 2, isolates that caused a high or low levels of symptom expression were identified. In phase 3, differences in aggressiveness were identified when grass and barley isolates causing high and low levels of symptom expression were compared for symptom production and differentiated. In phase 4, differences in aggressiveness for grass and barley isolates were confirmed and were found to be similar to those reported for wheat and smooth bromegrass isolates from previous studies. Isolate effects were significant in all studies. Thus, as potential hosts of P. tritici-repentis, grass or barley can potentially host isolates that differ in agressiveness. Cultivar effects were significant in most studies (25 of 27), indicating that differences in resistance among cultivars can be detected with grass or barley isolates. Cultivar x isolate interactions were nonsignificant in most studies (21 of 27), indicating a general lack of specific interaction between isolates and wheat cultivars. The possibility of physiological specialization was considered to be low with the isolates under study, and isolates were considered to differ in aggressiveness. In glasshouse inoculations of wheat seedlings with grass and barley isolates, the high aggressive isolates incited more symptoms than the low aggressive isolates, confirming differences in aggressiveness determined by detached leaf inoculations. |
|---|
| Language: | English |
|---|
| References: | 24 |
|---|
| Note: | Tables |
|---|
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Krupinsky, J. M. 1992. Aggressiveness of Pyrenophora tritici-repentis isolated from grass and barley hosts. Plant Dis. 76(8):p. 783-789. |
| Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=24863 |
| If there are problems with this record, send us feedback about record 24863. |
| Choices for finding the above item: |
|---|
| Web URL(s):
http://www.apsnet.org/publications/PlantDisease/BackIssues/Documents/1992Articles/PlantDisease76n08_783.pdf
Last checked: 08/25/2010
Requires: PDF Reader |
| 
MSU catalog number: SB 599 .P95 |
| Find from within TIC:
Digitally in TIC by record number. |
| Request through your local library's inter-library loan service (bring or send a copy of this TGIF record) |
