Specific Resistance of Barley to Powdery Mildew, Its Use and Beyond. A Concise Critical Review

Overview

Journal Genes (Basel)

Publisher MDPI

Date 2020 Aug 23

PMID 32825722

Citations 15

Authors

Antonin Dreiseitl

Affiliations

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Abstract

Powdery mildew caused by the airborne ascomycete fungus f. sp. () is one of most common diseases of barley (). This, as with many other plant pathogens, can be efficiently controlled by inexpensive and environmentally-friendly genetic resistance. General requirements for resistance to the pathogens are effectiveness and durability. Resistance of barley to has been studied intensively, and this review describes recent research and summarizes the specific resistance genes found in barley varieties since the last conspectus. is extraordinarily adaptable, and some commonly recommended strategies for using genetic resistance, including pyramiding of specific genes, may not be effective because they can only contribute to a limited extent to obtain sufficient resistance durability of widely-grown cultivars. In spring barley, breeding the nonspecific gene is a valuable source of durable resistance. Pyramiding of nonspecific quantitative resistance genes or using introgressions derived from bulbous barley () are promising ways for breeding future winter barley cultivars. The utilization of a wide spectrum of nonhost resistances can also be adopted once practical methods have been developed.

Citing Articles

Genome-wide association mapping for seedling and adult resistance to powdery mildew in barley.

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Heat Pre-Treatment Modified Host and Non-Host Interactions of Powdery Mildew with Barley Brassinosteroid Mutants and Wild Types.

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Broad-spectrum resistance gene RPW8.1 balances immunity and growth via feedback regulation of WRKYs.

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