Results 31 to 40 of about 18,573 (235)

Microscopical observations of Sphaerellopsis filum, a parasite of Puccinia recondita

Acta Agrobotanica, 2012
Sphaerellopsis filum is a well-known parasite associated with many species of rust fungi. It is of frequent occurrence as parasite of cereal rusts: Puccinia recondita, P. coronata, P. graminis, P. hordei and P. striiformis.
Agnieszka Płachecka
doaj   +1 more source

Natural population of oat crown rust in Tunisia

Phytopathologia Mediterranea, 2010
Oat crown rust, caused by Puccinia coronata f. sp. avenae, is considered the most widespread and damaging disease of oat (Avena sativa) in Tunisia. The virulence structure of the natural oat rust population in Tunisia was studied in four areas from 2002 ...
Imran Hammami, Mohamed Béchir Allagui, Mohamed Chakroun, Mohamed El Gazzah   +3 more
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The Spectrum of Weed Species and Fungal Pathogens in Stands of Alternative Fodder Crop Lolium Multiflorum Var. Westerwoldicum Growing up in a Drought-Prone Area in the Czech Republic

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2021
Annual ryegrass (Lolium multiflorum var. westerwoldicum) is cultivated in various areas of the world as a feed for live stock. Efforts to improve the production of high-quality feed in the face of deepening climate change have increased the demand for ...
Leoš Kadlček, Eliška Nováková, Ivana Šafránková, Radovan Pokorný, Pavel Horký, Martin Jiroušek, Jan Winkler   +6 more
doaj   +1 more source

Effects of plant pathogens on population dynamics and community composition in grassland ecosystems: two case studies [PDF]

, 2013
Grassland ecosystems comprise a major portion of the earth’s terrestrial surface, ranging from high-input cultivated monocultures or simple species mixtures to relatively unmanaged but dynamic systems.
Jeger, M. J., Salama, N. K. G., Shaw, Michael W., van den Berg, F., van den Bosch, F.   +4 more
core   +1 more source

Controle genético da resistência parcial à ferrugem da folha em aveia (Avena sativa L.) Genetic control of partial resistance of crown rust in oat (Avena sativa L.)

Ciência Rural, 2008
Os objetivos deste trabalho foram descrever a variabilidade para resistência parcial à ferrugem da folha em populações segregantes, bem como estudar o controle genético envolvido na expressão da resistência.
Marta Martins Barbosa-Prestes, Luiz Carlos Federizzi, Sandra Cristina Kothe Milach, Jose Antônio Martinelli   +3 more
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Efficiency of Pc genes of resistance to prevalent pathotypes of Puccinia coronata avenae [PDF]

Zbornik Matice Srpske za Prirodne Nauke, 2005
This paper deals with efficiency of some Pc genes of resistance to pre valent pathotypes of crown rust causer in oat. It was found that in seedlings stage the most efficient were genes Pc 68 and Pc 39 (100%).
Staletić Mirjana D., Stojanović Srbobran D., Milovanović Milivoje S.   +2 more
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Commodity risk assessment of <i>Berberis thunbergii</i> plants from the UK. [PDF]

EFSA J
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘high risk plants, plant products and other objects’. Taking into account the available scientific information, including the technical information provided by ...
EFSA Panel on Plant Health (PLH), Civera AV, Baptista P, Berlin A, Chatzivassiliou E, Cubero J, Cunniffe N, de la Peña E, Desneux N, Di Serio F, Filipiak A, Gonthier P, Hasiów-Jaroszewska B, Jactel H, Landa BB, Maistrello L, Makowski D, Milonas P, Papadopoulos NT, Susi H, van der Gaag DJ, Debode J, Lacomme C, Manceau C, Magnusson CS, Navas-Cortes JA, Kritikos C, Kormpi M, Papachristos D, Reppa C, Akrivou A, Antonatos S, Beris D, Schulz OM, Lombardo MF, Gardi C, Potting R.   +36 more
europepmc   +2 more sources

Severidade da ferrugem-da-folha e seus efeitos sobre caracteres da panícula de aveia Crown rust severity and its effects on oat panicle characters

Pesquisa Agropecuária Brasileira, 1999
A ferrugem-da-folha (Puccinia coronata f.sp. avenae) foi quantificada em quatro populações F3 de aveia (Avena sativa L.) com o objetivo de estudar a severidade dessa moléstia e seus efeitos sobre seis caracteres da panícula.
Renata Pereira da Cruz, Luiz Carlos Federizzi, Sandra Cristina Kothe Milach   +2 more
doaj   +1 more source

Rds and Rih Mediate Hypersensitive Cell Death Independent of Gene-for-Gene Resistance to the Oat Crown Rust Pathogen Puccinia coronata f. sp. avenae

Molecular Plant-Microbe Interactions, 2001
The Pca crown rust resistance cluster in the diploid Avena genus confers gene-for-gene specificity to numerous isolates of Puccinia coronata f. sp. avenae.
Gong-Xin Yu, Ed Braun, Roger P. Wise
doaj   +1 more source

Hidden Diversity of Crown Rust Resistance within Genebank Resources of Avena sterilis L.

Agronomy, 2021
The most widespread and damaging fungal disease of the oat plant is crown rust. Resistance to the crown rust pathogen, Puccinia coronata Cda. f. sp. avenae (Pca), at the seedling stage of Avena sterilis accessions from the Polish national genebank was ...
Edyta Paczos-Grzęda, Maja Boczkowska, Sylwia Sowa, Aneta Koroluk, Joanna Toporowska   +4 more
doaj   +1 more source