B<scp>ARLEY</scp> Y<scp>ELLOW</scp> R<scp>UST</scp> I<scp>N</scp> N<scp>ORTH</scp> A<scp>MERICA</scp>

Brown, William M.; Hill, J. P.; Velasco, V. R.

doi:10.1146/annurev.phyto.39.1.367

Cited by 39 publications

(23 citation statements)

References 28 publications

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“…Rust appears on these lines but with an increase in temperature and maturity, rust stops or ends with a MR or MS type of infection. Such a kind of resistance is durable and controlled by minor or a combination of major and minor genes for resistance (Brown et al 2001;Singh et al 2005).…”

Section: Discussionmentioning

confidence: 99%

Appraisal of wheat germplasm for adult plant resistance against stripe rust

Saleem¹,

Arshad²,

Shokat³

et al. 2015

Journal of Plant Protection Research

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Abstract:The resurgence of wheat stripe rust is of great concern for world food security. Owing to resistance breakdown and the appearance of new virulent high-temperature adapted races of Puccinia striiformis f. sp. tritici (Pst), many high yielding commercial varieties in the country lost their yield potential. Searching for new sources of resistance is the best approach to mitigate the problem. Quantitative resistance (partial or adult plant) or durable resistance is reported to be more stable than race specific resistance. In the current perusal, severity. There were 21 lines which were immune (no disease), 16 which were resistant, five moderately resistant, two resistant-to-moderately resistant, one moderately resistant-to-moderately susceptible, 5 moderately susceptible-to-susceptible, one moderately susceptible, and six exhibited a susceptible response. Nevertheless, 51 lines exhibited a high level of partial resistance while the three lines, NW-5--1212-1, NW-7-30-1, and NW-7-5 all showed a moderate level of partial resistance based on FRS, while 54 lines, on the basis of AURPC and rAURPC, were identified as conferring a high level of partial resistance. Moreover, adult plant resistance was conferred by 47 wheat lines, based on CI value. It was striking that, 13 immune lines among 21 were derived from parents of CIMMYT origin. Cluster analysis was executed to determine the diversity among the wheat genotypes based on stripe rust resistance and yield parameters. All genotypes were grouped into nine clusters exhibiting a high level of diversity at a 25% linkage distance. There were 29 wheat lines resistant to stripe rust that were grouped into the first three clusters, while 4 high-yielding lines were in Cluster VIII. The susceptible check, Morocco, was separated from rest of lines and fell in the last cluster i.e. Cluster IX. Based on the results, inter-crossing immune/ resistant lines is recommended, and with high yielding lines − it is also recommended that cultivars with improved disease resistance and yield potential be developed.

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Section: Discussionmentioning

confidence: 99%

Appraisal of wheat germplasm for adult plant resistance against stripe rust

Saleem¹,

Arshad²,

Shokat³

et al. 2015

Journal of Plant Protection Research

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“…According to Parlevliet (1988), Brown et al (2001), Singh et al (2005), and Kaur and Bariana (2010) the cultivars which had MS infection type may be carrying durable resistance genes, such as slow rusting resistance. These wheat cultivars first shown rust infection and sporulation but the final host reaction was characterized as chlorotic and necrotic lesions.…”

Section: Area Under Disease Progress Curvementioning

confidence: 99%

Evaluation of wheat cultivars for slow rusting resistance to leaf rust (Puccinia trticina Eriks) in Ethiopia

Hei¹

2017

Afr. J. Plant Sci.

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“…The cultivars which had moderately susceptible (MS) or moderately resistant (MR) infection type may be carry durable resistance genes (Brown et al 2001;Singh et al 2005). Consequently, cultivars with low level CI and other slow rusting parameters most probably will have durable resistance genes, such as HTAP and slow rusting, and their resistance can be lasted for a long time.…”

Section: Groupmentioning

confidence: 99%

Effect of yellow rust on yield components of barley cultivars with race-specific and slow rusting resistance to yellow rust

Safavi

Babai-Ahari

Afshari

et al. 2012

Archives Of Phytopathology And Plant Protection

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2012) Effect of yellow rust on yield components of barley cultivars with race-specific and slow rusting resistance to yellow rust, Archives Of Phytopathology And Plant Protection, Yellow rust caused by Puccinia striiformis f. sp. hordei is an important disease of barley (Hordeum vulgare L.) in some parts of the world. We compared the effectiveness of different types of resistance in field plots at Ardabil Agricultural Research Station (Iran) during 2010-2011. Yield components along with slow rusting parameters including final rust severity (FRS), apparent infection rate (r), relative area under disease progress curve (rAUDPC) and coefficient of infection (CI) were evaluated for 25 barley cultivars. In all, two barley cultivars with racespecific resistance, 19 cultivars with different levels of slow rusting resistance and four susceptible cultivars were included in two experiments with and without fungicide protection under high disease pressure. Barley cultivars with slow rusting resistance displayed a range of severity responses indicating phenotypic diversity. Mean thousand kernels weight (TKW) losses for susceptible, racespecific and slow rusting genotypes were 31, 3 and 12%, respectively, and mean kernels per spike (KPS) losses for susceptible, race-specific and slow rusting genotypes were 19, 0.2 and 8%, respectively. Correlation coefficient of mean TKW and KPS losses with epidemiological parameters; rAUDPC, r, CI and FRS were highly significant. Slow rusting cultivars with low values of different parameters as well as genotypes with low yield component losses despite moderate disease levels were identified. Such genotypes can be used for breeding barely genotypes with high levels of resistance and negligible yield losses.

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BARLEY YELLOW RUST IN NORTH AMERICA

Cited by 39 publications

References 28 publications

Appraisal of wheat germplasm for adult plant resistance against stripe rust

Appraisal of wheat germplasm for adult plant resistance against stripe rust

Evaluation of wheat cultivars for slow rusting resistance to leaf rust (Puccinia trticina Eriks) in Ethiopia

Effect of yellow rust on yield components of barley cultivars with race-specific and slow rusting resistance to yellow rust

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