Sources of Resistance to the Yellow‐Dwarf Virus in Barley<sup>1</sup>

Schaller, C. W.; Rasmusson, D. C.; Qualset, C. O.

doi:10.2135/cropsci1963.0011183x000300040018x

Cited by 42 publications

(17 citation statements)

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“…CIho 1236 showed approximately 98% DArT-marker correspondence with two other Ethiopian MR accessions, CIho 1225 and CIho 2325. All three of these accessions had low stripe rust severity in field tests in Bolivia reported in GRIN as well as BYDV resistance both in GRIN testing and in extensive field tests from the early 1960s in California (Schaller et al 1963). These accessions were among a group of accessions donated to the collection in about 1917 and, given their genetic similarity, are likely to have the same genes for stripe rust and BYDV resistance.…”

Section: Resultsmentioning

confidence: 88%

Inferring geographic origin of barley (Hordeum vulgare L. subsp. vulgare) accessions using molecular markers

Bonman¹,

Coleman-Derr

et al. 2010

Genet Resour Crop Evol

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Section: Resultsmentioning

confidence: 88%

Inferring geographic origin of barley (Hordeum vulgare L. subsp. vulgare) accessions using molecular markers

Bonman¹,

Coleman-Derr

et al. 2010

Genet Resour Crop Evol

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“…Sources of natural resistance to BYDV and CYDV are rare (for reviews see Barker and Waterhouse, 1999;Burnett et al , 1995). In barley, the Yd2 gene (Paltridge et al , 1998), originally identified in Ethiopian concessions (Rasmusson and Schaller, 1959;Schaller et al , 1964), can confer resistance against BYDV-PAV, but its effectiveness varies depending on the genetic background of the plant and growth conditions (Larkin et al , 1991;Schaller, 1984). The Bdv1 gene confers some tolerance to BYDV (Singh et al , 1993) and has been introduced into some wheat cultivars, such as Anza.…”

Section: Introductionmentioning

confidence: 99%

A single copy of a virus‐derived transgene encoding hairpin RNA gives immunity to barley yellow dwarf virus

Wang

Abbott

Waterhouse

2000

Molecular Plant Pathology

202

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Summary Barley yellow dwarf virus-PAV (BYDV-PAV) is the most serious and widespread virus of cereals worldwide. Natural resistance genes against this luteovirus give inadequate control, and previous attempts to introduce synthetic resistance into cereals have produced variable results. In an attempt to generate barley with protection against BYDV-PAV, plants were transformed with a transgene designed to produce hairpin (hp)RNA containing BYDV-PAV sequences. From 25 independent barley lines transformed with the BYDV-PAV hpRNA construct, nine lines showed extreme resistance to the virus and the majority of these contained a single transgene. In the progeny of two independent transgenic lines, inheritance of a single transgene consistently correlated with protection against BYDV-PAV. This protection was rated as immunity because the virus could not be detected in the challenged plants by ELISA nor recovered by aphid feeding experiments. In the field, BYDV-PAV is sometimes associated with the related luteovirus Cereal yellow dwarf virus-RPV (CYDV-RPV). When the transgenic plants were challenged with BYDV-PAV and CYDV-RPV together, the plants were susceptible to CYDV-RPV but immune to BYDV-PAV. This shows that the immunity is virus-specific and not broken down by the presence of CYDV. It suggests that CYDV-RPV does not encode a silencing-suppressor gene or that its product does not protect BYDV-PAV against the plant's RNAi-like defence mechanism. Either way, our results indicate that the BYDV-PAV immunity will be robust in the field and is potentially useful in minimizing losses in cereal production worldwide.

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“…The 4 cultivars used in the present study (' Abate', CI 392613, CI 1227and CI 9623) were tolerant to BYDV in field tests made in California (Oswald & Houston 1953;Schaller et al 1963), Wisconsin and IIIinois (except CI 1227) (Arny & Jedlinski 1966), and in glasshouse tests in Wales (Catherall & Hayes 1966). In the present study the different response of 'Kenia' and CI 392613 to BYDV in the winter (experiment 3) and summer (experiment 4) experiments was most marked.…”

Section: Discussionmentioning

confidence: 83%

“…Different cultivars of barley are known to vary in their response to BYDV, and Oswald & Houston (1953) and Schaller et al (1963) showed that certain Ethiopian cultivars are tolerant to the virus. The 4 cultivars used in the present study (' Abate', CI 392613, CI 1227and CI 9623) were tolerant to BYDV in field tests made in California (Oswald & Houston 1953;Schaller et al 1963), Wisconsin and IIIinois (except CI 1227) (Arny & Jedlinski 1966), and in glasshouse tests in Wales (Catherall & Hayes 1966).…”

Section: Discussionmentioning

confidence: 99%

Response of oat, ryegrass, and barley infected with barley yellow dwarf virus to variation in nutrient supply

Thomson¹,

Ferguson²

1980

New Zealand Journal of Agricultural Research

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Oat, ryegrass, and barley plants were grown in perlite with added nutrient solutions which varied in the Ca(N03}2: KH2P04 ratio. BYDV-infected 'Clintland 60' oats grown in high KH2P04 produced yellow streaking symptoms on leaves. Virus infection delayed ear emergence and reduced fresh and dry weights, especially in high Ca(N03}2 and low KH2P04. 'Grasslands Ruanui' ryegrass showed no BYDV symptoms on plants grown in a range of Ca(N03}2: KH2P04 ratios, although there was a significant reduction in yield of infected plants grown in high Ca(N03}2 and KH2P04. The time ofappearance ofprimary BYDV symptoms was later in resistant (CI 3926/3) than in susceptible (' Kenia') barley, both in winter and summer, and was little affected by varying the nutrient supply. Secondary symptoms were more severe in 'Kenia' than CI 3926/3 in summer, but less so in winter. Virus infection delayed ear emergence. The susceptibility of 'Kenia' and 4 Ethiopian cultivars (' Abate', CI 1227, CI 3926/3 and CI 9623) was compared. It is suggested that the time ofappearance and severity ofprimary leaf symptoms using a standard susceptible cultivar for comparison would provide a screening test for resistance to BYDV in barley.

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Sources of Resistance to the Yellow‐Dwarf Virus in Barley¹

Cited by 42 publications

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Inferring geographic origin of barley (Hordeum vulgare L. subsp. vulgare) accessions using molecular markers

Inferring geographic origin of barley (Hordeum vulgare L. subsp. vulgare) accessions using molecular markers

A single copy of a virus‐derived transgene encoding hairpin RNA gives immunity to barley yellow dwarf virus

Response of oat, ryegrass, and barley infected with barley yellow dwarf virus to variation in nutrient supply

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Sources of Resistance to the Yellow‐Dwarf Virus in Barley1

Cited by 42 publications

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Inferring geographic origin of barley (Hordeum vulgare L. subsp. vulgare) accessions using molecular markers

Inferring geographic origin of barley (Hordeum vulgare L. subsp. vulgare) accessions using molecular markers

A single copy of a virus‐derived transgene encoding hairpin RNA gives immunity to barley yellow dwarf virus

Response of oat, ryegrass, and barley infected with barley yellow dwarf virus to variation in nutrient supply

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Sources of Resistance to the Yellow‐Dwarf Virus in Barley¹