Response to Viral Pathogens

Ordon, Frank; Kühne, Thomas D.

doi:10.1007/978-3-662-44406-1_10

Cited by 4 publications

(2 citation statements)

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“…Breeding schemes for pyramiding major R genes have been extensively trialed ( Collard and Mackill, 2008 ; Ordon and Kühne, 2014 ) and resulted in the development of resistant varieties that are widely cultivated ( Ellis et al, 2014 ). Strategies involving combinations of major genes, each conferring resistance to various specific isolates, were suggested to increase resistance durability ( Feechan et al, 2015 ).…”

Section: Quantitative Disease Resistance: Integration Into Pyramidingmentioning

confidence: 99%

Quantitative Resistance to Plant Pathogens in Pyramiding Strategies for Durable Crop Protection

Moury²,

et al. 2017

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Quantitative resistance has gained interest in plant breeding for pathogen control in low-input cropping systems. Although quantitative resistance frequently has only a partial effect and is difficult to select, it is considered more durable than major resistance (R) genes. With the exponential development of molecular markers over the past 20 years, resistance QTL have been more accurately detected and better integrated into breeding strategies for resistant varieties with increased potential for durability. This review summarizes current knowledge on the genetic inheritance, molecular basis, and durability of quantitative resistance. Based on this knowledge, we discuss how strategies that combine major R genes and QTL in crops can maintain the effectiveness of plant resistance to pathogens. Combining resistance QTL with complementary modes of action appears to be an interesting strategy for breeding effective and potentially durable resistance. Combining quantitative resistance with major R genes has proven to be a valuable approach for extending the effectiveness of major genes. In the plant genomics era, improved tools and methods are becoming available to better integrate quantitative resistance into breeding strategies. Nevertheless, optimal combinations of resistance loci will still have to be identified to preserve resistance effectiveness over time for durable crop protection.

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Section: Quantitative Disease Resistance: Integration Into Pyramidingmentioning

confidence: 99%

Quantitative Resistance to Plant Pathogens in Pyramiding Strategies for Durable Crop Protection

Moury²,

et al. 2017

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“…Within these complex cross progenies plants were identified by markers being homozygous at the common resistance locus and heterozygous at the others. From such plants, theoretically present at afrequency of 6.25%, DH-lines were produced, which were screened for the presence of genotypes carrying three or two recessive resistance genes in a homozygous state [37].…”

Section: Pyramiding Resistance Genes Against the Barley Yellow Mosaicmentioning

confidence: 99%

Review on Plant Diseases Management Through Gene Pyramiding

Demissie¹

2019

IJPP

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Plant diseases have caused severe losses to humans in several ways. The goal of plant disease management is to reduce the economic and aesthetic damage caused by plant diseases. The main objective of this review was to understand about a gene pyramiding concepts with principles &application in disease management. Disease management procedures are frequently determined by disease forecasting or disease modeling rather than on either a calendar or prescription basis. Correct diagnosis of a disease is necessary to identify the pathogen, which is the real target of any disease management program. Improving disease resistance in crops is crucial for stable food production. Quantitative trait loci (QTLs), which usually have smaller individual effects than R-genes but confer broad-spectrum or non-race-specific resistance, can contribute to durable disease resistance (DR). Gene pyramiding holds greater prospects to attain durable resistance against biotic and abiotic stresses in crop. Agene pyramiding involves the use of several genes in a single cultivar to provide a wider base of disease resistance.

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