Epidemiology of Stripe Rust, Virulence of<i>Puccinia striiformis</i>f. sp.<i>hordei,</i>and Yield Loss in Barley

Marshall, David

doi:10.1094/pd-79-0732

Cited by 57 publications

(23 citation statements)

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“…Though, stripe rust can be best controlled by growing resistant varieties, susceptible cultivars being grown by farmers result in severe damage to the crops. It is stated that even though barley stripe rust has the potential to become a severe disease, host resistance and fungicides can effectively minimize yield loss (Marshall and Sutton, 1995). Historically stripe rust was commonly observed in cool and moist seasons.…”

Section: Introductionmentioning

confidence: 99%

Management of stripe rust of barley (Hordeum vulgare L.) using fungicides

Devlash

Kishore

Singh

2015

JANS

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Under field conditions, various fungicide molecules were validated for their effectiveness on barley (Hordeum vulgare L.) stripe rust Puccinia striiformis f. sp. consecutively for three years under artificial field epiphytotic conditions. Seven fungicides viz., propiconazole 25%EC (tilt @ 0.1%), tebuconazole 25.9% m/m EC (folicur @ 0.1%), triademefon 25%WP (bayleton @ 0.1%), propiconazole 25%EC (tilt @ 0.05%), tebuconazole 25.9% m/m EC (folicur @ 0.05%), triademefon 25%WP (bayleton@ 0.05%), and mancozeb 75%WP (dithane M45 @ 0.2%) with various concentrations were tested for their effectiveness in controlling barley stripe rust severity. All fungicide applications resulted in lower disease severity and higher grain yields than untreated check plots. All the fungicides @ 0.1% concentrations reduced disease severity ranging from 87.8% to 95.6% except Mancozeb @ 0.2% (34.4%). Significant higher yield was obtained with Propiconazole @ 0.1% (26.7 q/ha) followed by Tebuconazole @ 0.1% (25.2 q/ha) and Triademefon @ 0.1% (24.5 q/ha). The present study revealed propiconazole as the most effective fungicide for the control of stripe rust of barley under epiphytotic conditions.

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Section: Introductionmentioning

confidence: 99%

Management of stripe rust of barley (Hordeum vulgare L.) using fungicides

Devlash

Kishore

Singh

2015

JANS

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“…Yield losses of 30-70% occurred in this regions (Dubin and Stubbs 1986). The highest grain yield loss of a susceptible barley cultivar was found to be 72% in the US (Marshall and Sutton 1995) and stripe rust greatly reduces malting quality (Line 2002). Stripe rust of barley *Corresponding author.…”

Section: Introductionmentioning

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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“…The introduction and spread of Psh race 24 in Colombia in 1975, and its adaptation and dispersal throughout South America in the 1980s caused crop losses approaching 70% in some regions (Dubin and Stubbs 1986). The disease subsequently spread northwards into Mexico, Texas and western USA resulting in seasonal epidemics and significant economic losses (Marshall and Sutton 1995). Psh remains a pathogen of sporadic occurrence and severity, notably in certain seasons in UK, Russia and Europe (Macer 1972); North and South America, Middle East, South Asia (India) and East Africa (Stubbs 1985).…”

Section: Tritici [Pst])mentioning

confidence: 99%

Global status of stripe rust: a review of historical and current threats

2011

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Stripe rust, caused by Puccinia striiformis, has been an important disease of wheat, barley, rye, triticale and certain graminaceous hosts for centuries. The significance of the disease on cultivated cereals has waxed and waned according to the vagaries of climate, inoculum levels and susceptible varieties. A progressive understanding of pathogen biology has revealed levels of specialisation between and within host groups, and these had varying impacts on the hosts concerned. The most economically important form is P. striiformis f. sp. tritici (Pst), the causal pathogen of stripe (yellow) rust of wheat, which is the major focus of this paper. The recent discovery of the perfect stage of Pst on Berberis spp. will encourage further work to uncover the potential importance of the sexual stage in pathogen biology in regions where Berberis spp. occur. A review of the evolution of pathotypes within Pst over the past 50 years reveals recurrent

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Epidemiology of Stripe Rust, Virulence ofPuccinia striiformisf. sp.hordei,and Yield Loss in Barley

Cited by 57 publications

References 0 publications

Management of stripe rust of barley (Hordeum vulgare L.) using fungicides

Management of stripe rust of barley (Hordeum vulgare L.) using fungicides

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

Global status of stripe rust: a review of historical and current threats

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