Stripe rust is caused by Puccinia striiformisf. sp. tritici (Pst) threatening wheat production in Ethiopia. The emerged virulent stripe rust races at one point of the world spread to the rest of wheat-producing countries by the wind as well as human travels and damaged popular resistant wheat cultivars thereby posing food insecurity. However, wheat cultivars succumb to new Pst race (s) soon after their release from research centers. This study aimed to determine stripe rust resistance in some Ethiopian commercial and elite bread wheat lines. In 2017, a total of 37 commercial and elite bread wheat lines were exposed to stripe rust in under the disease hot spot areas (Kulumsa and Meraro) Arsi zone Oromia regional state. In the second year (2018), 22 promising lines consisting of 16 commercial bread wheat and 6 elite’s lines were evaluated both at seedling and adult plant growth stages. The seedling test was conducted in the greenhouse at Kulumsa research center using three Pst races. In field evaluations, terminal severity (TRS), coefficient of infection (CI), area under disease progress curve (AUDPC), disease progress rate (DPR), and spike infection (SI) were considered. Of the 37 commercial and elite bread wheat lines, 19 (51.4%) exhibited lower or equal disease reaction compared to the resistant check (Enjoy) across locations and seasons. Eleven bread wheat lines showed both adult plant and seedling resistance. The 37 commercial wheat lines that showed field resistance was further exposed to three Pst races at the seedling stage and 11 exhibited seedling resistance to all races. This study has identified seedling and adult plant resistance in some commercial and elite bread wheat lines to the prevailing Pst races.
| Published in | Biomedical Statistics and Informatics (Volume 9, Issue 3) |
| DOI | 10.11648/j.bsi.20240903.12 |
| Page(s) | 58-66 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Bread Wheat Lines, Race, Resistance, Stripe Rust, Puccinia striiformisf. sp. tritici (Pst)
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APA Style
Yirga, F. (2024). Identification of Resistance to Puccinia striiformisf. sp. tritici (Pst) in Some Commercial and Elite Bread Wheat Lines. Biomedical Statistics and Informatics, 9(3), 58-66. https://doi.org/10.11648/j.bsi.20240903.12
ACS Style
Yirga, F. Identification of Resistance to Puccinia striiformisf. sp. tritici (Pst) in Some Commercial and Elite Bread Wheat Lines. Biomed. Stat. Inform. 2024, 9(3), 58-66. doi: 10.11648/j.bsi.20240903.12
AMA Style
Yirga F. Identification of Resistance to Puccinia striiformisf. sp. tritici (Pst) in Some Commercial and Elite Bread Wheat Lines. Biomed Stat Inform. 2024;9(3):58-66. doi: 10.11648/j.bsi.20240903.12
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Download@article{10.11648/j.bsi.20240903.12,
author = {Fikrte Yirga},
title = {Identification of Resistance to Puccinia striiformisf. sp. tritici (Pst) in Some Commercial and Elite Bread Wheat Lines},
journal = {Biomedical Statistics and Informatics},
volume = {9},
number = {3},
pages = {58-66},
doi = {10.11648/j.bsi.20240903.12},
url = {https://doi.org/10.11648/j.bsi.20240903.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.bsi.20240903.12},
abstract = {Stripe rust is caused by Puccinia striiformisf. sp. tritici (Pst) threatening wheat production in Ethiopia. The emerged virulent stripe rust races at one point of the world spread to the rest of wheat-producing countries by the wind as well as human travels and damaged popular resistant wheat cultivars thereby posing food insecurity. However, wheat cultivars succumb to new Pst race (s) soon after their release from research centers. This study aimed to determine stripe rust resistance in some Ethiopian commercial and elite bread wheat lines. In 2017, a total of 37 commercial and elite bread wheat lines were exposed to stripe rust in under the disease hot spot areas (Kulumsa and Meraro) Arsi zone Oromia regional state. In the second year (2018), 22 promising lines consisting of 16 commercial bread wheat and 6 elite’s lines were evaluated both at seedling and adult plant growth stages. The seedling test was conducted in the greenhouse at Kulumsa research center using three Pst races. In field evaluations, terminal severity (TRS), coefficient of infection (CI), area under disease progress curve (AUDPC), disease progress rate (DPR), and spike infection (SI) were considered. Of the 37 commercial and elite bread wheat lines, 19 (51.4%) exhibited lower or equal disease reaction compared to the resistant check (Enjoy) across locations and seasons. Eleven bread wheat lines showed both adult plant and seedling resistance. The 37 commercial wheat lines that showed field resistance was further exposed to three Pst races at the seedling stage and 11 exhibited seedling resistance to all races. This study has identified seedling and adult plant resistance in some commercial and elite bread wheat lines to the prevailing Pst races.},
year = {2024}
}
TY - JOUR T1 - Identification of Resistance to Puccinia striiformisf. sp. tritici (Pst) in Some Commercial and Elite Bread Wheat Lines AU - Fikrte Yirga Y1 - 2024/10/29 PY - 2024 N1 - https://doi.org/10.11648/j.bsi.20240903.12 DO - 10.11648/j.bsi.20240903.12 T2 - Biomedical Statistics and Informatics JF - Biomedical Statistics and Informatics JO - Biomedical Statistics and Informatics SP - 58 EP - 66 PB - Science Publishing Group SN - 2578-8728 UR - https://doi.org/10.11648/j.bsi.20240903.12 AB - Stripe rust is caused by Puccinia striiformisf. sp. tritici (Pst) threatening wheat production in Ethiopia. The emerged virulent stripe rust races at one point of the world spread to the rest of wheat-producing countries by the wind as well as human travels and damaged popular resistant wheat cultivars thereby posing food insecurity. However, wheat cultivars succumb to new Pst race (s) soon after their release from research centers. This study aimed to determine stripe rust resistance in some Ethiopian commercial and elite bread wheat lines. In 2017, a total of 37 commercial and elite bread wheat lines were exposed to stripe rust in under the disease hot spot areas (Kulumsa and Meraro) Arsi zone Oromia regional state. In the second year (2018), 22 promising lines consisting of 16 commercial bread wheat and 6 elite’s lines were evaluated both at seedling and adult plant growth stages. The seedling test was conducted in the greenhouse at Kulumsa research center using three Pst races. In field evaluations, terminal severity (TRS), coefficient of infection (CI), area under disease progress curve (AUDPC), disease progress rate (DPR), and spike infection (SI) were considered. Of the 37 commercial and elite bread wheat lines, 19 (51.4%) exhibited lower or equal disease reaction compared to the resistant check (Enjoy) across locations and seasons. Eleven bread wheat lines showed both adult plant and seedling resistance. The 37 commercial wheat lines that showed field resistance was further exposed to three Pst races at the seedling stage and 11 exhibited seedling resistance to all races. This study has identified seedling and adult plant resistance in some commercial and elite bread wheat lines to the prevailing Pst races. VL - 9 IS - 3 ER -
Ethiopian Institute of Agricultural Research (EIAR), Addis Ababa, Ethiopia
