Genetic resistance to cereal cyst nematode Heterodera avenae
Woll. in wild oat Avena sterilis I. 376

Clamot, G.; Rivoal, Roger

doi:10.1007/bf00022746

Cited by 14 publications

(4 citation statements)

References 7 publications

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“…Oat breeding is not a focus of research in the PNW but we found that the resistances in A. sterilis I376 and A. sterilis IGV.H.72-646, and the R1 gene in Pusa Hybrid BS1 could be useful in other North American regions where the H. avenae populations may have virulence phenotypes similar to those in the PNW. Avena sterilis I376 has been shown to be an excellent resource for transferring resistance into A. sativa (Clamot & Rivoal, 1984). …”

Section: Discussionmentioning

confidence: 99%

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Resistance of wheat, barley and oat to Heterodera avenae in the Pacific Northwest, USA

Smiley¹,

Yan

Pinkerton³

2011

Nematol

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The cereal cyst nematode, Heterodera avenae, occurs in at least seven western states of the USA and reduces grain yield in localised regions and in selected crop management systems. Virulence phenotypes for H. avenae populations in North America have not been reported. Nine individual assays in six experiments were conducted to determine the reactions of barley, oat and wheat cultivars to five H. avenae populations in the Pacific Northwest (PNW) states of Idaho, Oregon and Washington. Three populations were evaluated for virulence to 23 entries of the 'International Test Assortment for Defining Cereal Cyst Nematode Pathotypes', plus selected local cultivars and entries representing a greater diversity of resistance genes. The virulence phenotype(s) for populations of H. avenae in the PNW did not correspond to any of the 11 pathotypes defined by the Test Assortment. Five PNW populations exhibited affinities with Group 2 but were not defined by pathotypes Ha12 and Ha22. Reproduction was prevented or greatly inhibited by barley carrying the Rha3 resistance gene and by most carriers of Rha2 resistance, and by selected oat cultivars with multigenic resistance. Wheat cultivars carrying the Cre1 resistance gene were highly effective in suppressing H. avenae reproduction. Current PNW wheat cultivars do not carry the Cre1 resistance gene. Crosses between Ouyen, an Australian bread wheat with Cre1 resistance, and several PNW wheat cultivars were resistant. The CreR gene also prevented H. avenae reproduction in the trial where it was tested. Intermediate levels of reproduction occurred on wheat cultivars carrying the Cre5, Cre7 and Cre8 resistance genes, each of which was considered useful for pyramiding into cultivars with Cre1 resistance. This research identified genetic resources of value in PNW cereal crop breeding programmes.

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Section: Discussionmentioning

confidence: 99%

“…Avena sterilis I376 was described by Andersen (1961) and was subsequently shown to consist of three unnamed resistance genes (Clamot & Rivoal, 1984) that collectively confer resistance to all known pathotypes of H. avenae.…”

mentioning

confidence: 99%

Resistance of wheat, barley and oat to Heterodera avenae in the Pacific Northwest, USA

Smiley¹,

Yan

Pinkerton³

2011

Nematol

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“…Among the genotypes of this species, genes for BYDV tolerance and resistance to powdery mildew, crown rust, or nematodes have been identified. Additionally, this species is a source of genes that determine high protein and oil content in grains, as well as traits related to early maturity, rapid vegetative growth, and high yield [154,177,183,184,188,[201][202][203][204]. Therefore, A. sterilis can be found in the pedigrees of many American cultivars, e.g., Starter, where this wild species contributed to increased grain protein content, Ozark (with improved winter hardiness [205]), or Sheldon (with high yielding potential [206]).…”

Section: Cultivar Enhancement Through Direct Crosses With Hexaploid S...mentioning

confidence: 99%

Loving the Alien: The Contribution of the Wild in Securing the Breeding of Cultivated Hexaploid Wheat and Oats

Mohler,

Paczos-Grzęda,

Sowa

2023

Agriculture

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Cereal production is of strategic importance to the world economy. Although the primary aim of breeding programs is to develop cultivars with improved agronomic performance, including high grain yield and grain quality, as well as disease and lodging resistance, nowadays the adaptability to changing environmental conditions seems to be an extremely important feature. The achievement of these breeding objectives in diploid cereal species such as rice, barley, or maize is straightforward. The genetic improvement of polyploid crops such as hexaploid wheat and oats for increased crop production is highly demanding. Progenitor species and wild relatives, including taxa at lower ploidy levels, have preserved a high degree of useful genetic variation. The world’s genebank collections of wheat and oat germplasm provide extremely rich resources for future breeding and utilization. This review highlights the immense potential of cultivated wild relatives as donors of genes for a wide range of biotic and abiotic traits and their impact on wheat and oat breeding. This review covers methods allowing access to these genetic resources, and it highlights the most (and most recently)-exploited related species for gene introgression in wheat and oats. Further, it will also deal with the impact of genomics and cloned genes on the advanced discovery, characterization, and utilization of genetic resources in these two cereals.

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“…2 对主基因(A 和 B)加性效应均表现为正向效应(d a >0, 使鉴定的结果更接近客观实际。袁虹霞等 [19] 报道, 以一种高感品种或试验中最感病的品种作为对照, 根据供试品种与对照品种的单株孢囊量比值建立相对抗病指数, 是一种比较可行的抗性评价方法。目前, 国内外在抗 CCN 遗传分析方面的研究报道相对较少, Cotten 和 Hayes [21] 发现, 供试的 6 个抗 [23]…”

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Genetic Analysis of Common Wheat Cultivar Taikong 6 for Resistance to Heterodera avenae Zhengzhou Population

Dai¹,

Cui²,

Zong³

et al. 2013

Acta Agronomica Sinica

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Taikong 6 is a common wheat (Triticum aestivum L.) cultivar with high-yield and good agronomic performance bred by Henan Academy of Agricultural Sciences with satellite-loaded mutation breeding. This cultivar was shown to be resistant to H. avenaee Zhengzhou population in the conditions of repeated inoculation and field tests. In this study, Taikong 6 was crossed with the susceptible cultivars Yumai 47 to produce an F 2 segregating population. Reactions of the F 2 progeny to H. avenaee Zhengzhou population was investigated in the field and inoculation tests. The results of genetic analysis showed that the cyst number of F 2 population was the quantitative character with a continuous and skewed distribution, indicating that there are major genes in Taikong 6. The method of joint segregation analysis of single generation of major gene plus polygene mixed inheritance model was used to analyze the inheritance of resistance to H. avenaee Zhengzhou population in Taikong 6, showing that the genetic model B-2 was the most fitted genetic model for the resistance for the cross of Yumai 47 × Taikong 6 in the conditions of inoculation and field tests. This indicates that the resistance to cereal cyst nematode in Taikong 6 is controlled by two major genes with additive-dominant effects plus polygene effect. The major gene heritability of resistance for the cross of Yumai 47 × Taikong 6 to H. avenaee Zhengzhou population in the conditions of inoculation and field tests was 73.54% and 86.90%, indicating the two major genes with the dominant role to resistance of Taikong 6 to H. avenaee Zhengzhou population.

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Genetic resistance to cereal cyst nematode Heterodera avenae Woll. in wild oat Avena sterilis I. 376

Cited by 14 publications

References 7 publications

Resistance of wheat, barley and oat to Heterodera avenae in the Pacific Northwest, USA

Resistance of wheat, barley and oat to Heterodera avenae in the Pacific Northwest, USA

Loving the Alien: The Contribution of the Wild in Securing the Breeding of Cultivated Hexaploid Wheat and Oats

Genetic Analysis of Common Wheat Cultivar Taikong 6 for Resistance to Heterodera avenae Zhengzhou Population

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