Screening wheat genotypes for resistance to wheat blast disease in the vegetative and reproductive stages

The wheat blast disease has been considered one of the main biotic stress threats to food security in the world. The study aimed to evaluate the resistance of wheat cultivars to Pyricularia oryzae pathotype triticum isolates at the vegetative and reproductive stage and to perform screening of wheat...

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Veröffentlicht in:Euphytica 2019-03, Vol.215 (3), p.1-8, Article 59
Hauptverfasser: Rocha, João Romero do Amaral Santos de Carvalho, de Paula, Igor Gonçalves, Gloria, Hilda Barbosa, Pimentel, Adérico Júnior Badaró, Ribeiro, Guilherme, de Souza, Moacil Alves
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container_issue 3
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container_title Euphytica
container_volume 215
creator Rocha, João Romero do Amaral Santos de Carvalho
de Paula, Igor Gonçalves
Gloria, Hilda Barbosa
Pimentel, Adérico Júnior Badaró
Ribeiro, Guilherme
de Souza, Moacil Alves
description The wheat blast disease has been considered one of the main biotic stress threats to food security in the world. The study aimed to evaluate the resistance of wheat cultivars to Pyricularia oryzae pathotype triticum isolates at the vegetative and reproductive stage and to perform screening of wheat lines. Experiments were carried out on plants at the vegetative and reproductive stage, with artificial inoculation of P. oryzae pathotype triticum isolates origin from different producing regions. Resistant cultivars at both stages have shown potential to be used as source of resistance in wheat breeding programs; there was no difference in aggressiveness among the P. oryzae pathotype triticum isolates tested. It was possible to identify wheat lines with resistance to the disease at the vegetative stage. Nine wheat lines selected as resistant to wheat blast disease may be incorporated at block-crosses in order to pyramidize genes of resistance to wheat blast in the breeding of new wheat cultivars.
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subjects Biomedical and Life Sciences
Biotechnology
Blast
Cultivars
Disease resistance
Explosions
Food security
Food supply
Genotypes
Inoculation
Life Sciences
Plant breeding
Plant Genetics and Genomics
Plant Pathology
Plant Physiology
Plant Sciences
Plants (botany)
Screening
Wheat
title Screening wheat genotypes for resistance to wheat blast disease in the vegetative and reproductive stages
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