Seedling and adult plant resistance to Pyricularia oryzae in Ethiopian rice cultivars-Reference-Cited by-同舟云学术

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

Published:2020-12-01 Issue:1 Volume:12 Page:45-57
ISSN:2068-2964
Container-title:Acta Universitatis Sapientiae, Agriculture and Environment
language:en
Short-container-title:

Author:

Gerema Geleta¹,Mengistu Girma²,Kebede Megersa¹,Lule Dagnachew²,Desalegn Kebede¹,Birahanu Chemeda¹,Debela Megersa¹

Affiliation:

1. Bako Agriculture Research Center , Oromia , Ethiopia

2. Oromia Agriculture Research Institute , Finfinne , Ethiopia

Abstract

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.

Publisher

Walter de Gruyter GmbH

Link

https://www.sciendo.com/pdf/10.2478/ausae-2020-0004

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