Control of foliar diseases in barley: towards an integrated approach

DR Walters, A Avrova, IJ Bingham, FJ Burnett, J Fountaine, ND Havis, SP Hoad, G Hughes, M Looseley, SJP Oxley, A Renwick, CFE Topp, A Newton

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Barley is one of the world’s most important crops providing food and related products for millions of people. Diseases continue to pose a serious threat to barley production, despite the use of fungicides and resistant varieties, highlighting the impact of fungicide resistance and the breakdown of host plant resistance on the efficacy of control measures. This paper reviews progress towards an integrated approach for disease management in barley in which new methods may be combined with existing measures to improve the efficacy of control in the long-term. Advances have been made in genetic mapping of resistance (R) genes and in identifying novel sources of genes in wild barley populations and land races. Marker assisted selection techniques are being used to pyramid R genes to increase the durability of resistance. Elicitors to induce host resistance used in combination with fungicides can provide effective disease control in the field and could delay the evolution of fungicide insensitivity. Traits that may contribute to disease tolerance and escape have been identified and the extent of genetic variation within barley germplasm is being determined. Tools are being developed to integrate the above methods via an assessment of the risk of economic injury occurring from disease to guide decisions on the requirement for fungicide treatment. Barriers exist to the adoption of integrated management approaches from growers and end-users further down the supply chain (e.g. acceptance of variety mixtures) and policy incentives from government may be required for it to be taken up in practice.
Original languageEnglish
Pages (from-to)33 - 73
Number of pages41
JournalEuropean Journal of Plant Pathology
Volume133
DOIs
Publication statusFirst published - 2012

Fingerprint

foliar diseases
barley
fungicides
disease control
risk assessment process
fungicide resistance
genes
food crops
durability
supply chain
marker-assisted selection
chromosome mapping
disease resistance
control methods
growers
germplasm
host plants
economics
genetic variation
methodology

Bibliographical note

62700027
62700028

Keywords

  • Approach
  • Barley
  • Control
  • Disease
  • Diseases
  • Integrated

Cite this

Walters, DR ; Avrova, A ; Bingham, IJ ; Burnett, FJ ; Fountaine, J ; Havis, ND ; Hoad, SP ; Hughes, G ; Looseley, M ; Oxley, SJP ; Renwick, A ; Topp, CFE ; Newton, A. / Control of foliar diseases in barley: towards an integrated approach. In: European Journal of Plant Pathology. 2012 ; Vol. 133. pp. 33 - 73.
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Control of foliar diseases in barley: towards an integrated approach. / Walters, DR; Avrova, A; Bingham, IJ; Burnett, FJ; Fountaine, J; Havis, ND; Hoad, SP; Hughes, G; Looseley, M; Oxley, SJP; Renwick, A; Topp, CFE; Newton, A.

In: European Journal of Plant Pathology, Vol. 133, 2012, p. 33 - 73.

Research output: Contribution to journalArticle

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AU - Havis, ND

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