<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Two separate experiments were done for seedling and adult resistance in rice varieties against blast. Each experiment consists of 20 varieties and is evaluated under artificial inoculation with blast. The result of the study confirmed that NERICA varieties have shown low disease infection at the seedling stage whereas the varieties Chewaka and Edget have shown adult plant resistance. Severe yield reduction and highly diseased grain were obtained from Superica-1, which is highly susceptible at adult plant stage. In contrast, the maximum grain yield was obtained from the Chewaka and Edget varieties, these having a high level of adult resistance. Therefore, Chewaka and Edget are promising candidates for utilization in yield and blast resistance in rice improvement.</p></abstract>

Two separate experiments were done for seedling and adult resistance in rice varieties against blast. Each experiment consists of 20 varieties and is evaluated under artificial inoculation with blast. The result of the study confirmed that NERICA varieties have shown low disease infection at the seedling stage whereas the varieties Chewaka and Edget have shown adult plant resistance. Severe yield reduction and highly diseased grain were obtained from Superica-1, which is highly susceptible at adult plant stage. In contrast, the maximum grain yield was obtained from the Chewaka and Edget varieties, these having a high level of adult resistance. Therefore, Chewaka and Edget are promising candidates for utilization in yield and blast resistance in rice improvement.

Seedling and adult plant resistance to <italic>Pyricularia oryzae</italic> in Ethiopian rice cultivars

Acta Universitatis Sapientiae, Agriculture and Environment

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Seedling and adult plant resistance to  in Ethiopian rice cultivars

Two separate experiments were done for seedling and adult resistance in rice varieties against blast. Each experiment consists of 20 varieties and is evaluated...

Seedling and adult plant resistance to Pyricularia oryzae in Ethiopian rice cultivars

Published Online: Dec 28, 2020

Page range: 45 - 57

Received: Mar 22, 2020

Accepted: Apr 13, 2020

DOI: https://doi.org/10.2478/ausae-2020-0004

Keywords
adult, blast, seedling, susceptible, resistance, rice

© 2020 Geleta Gerema et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Seedling and adult plant resistance to Pyricularia oryzae in Ethiopian rice cultivars

Published Online: Dec 28, 2020

Page range: 45 - 57

Received: Mar 22, 2020

Accepted: Apr 13, 2020

DOI: https://doi.org/10.2478/ausae-2020-0004

Keywordsadult, blast, seedling, susceptible, resistance, rice

© 2020 Geleta Gerema et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
adult, blast, seedling, susceptible, resistance, rice