Results 21 to 30 of about 261 (152)

Influence of Cultivars and Seed Thermal Treatment on the Development of Fungal Pathogens in Carrot and Onion Plants

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2016
Carrot and onion are vegetables representing an important segment of fresh market. They suffer from serious fungal diseases that can inflict great damage on crops, i.e. alternaria leaf blight, peronospora downy mildew, and botrytis neck rot.
Martin Koudela, Čeněk Novotný
doaj   +1 more source

High-Quality Genome Assembly of Peronospora destructor, the Causal Agent of Onion Downy Mildew [PDF]

Molecular Plant-Microbe Interactions®, 2020
Peronospora destructor is an obligate biotrophic oomycete that causes downy mildew on onion (Allium cepa). Onion is an important crop worldwide, but its production is affected by this pathogen. We sequenced the genome of P. destructor using the PacBio sequencing platform, and de novo assembly resulted in 74 contigs with a total contig size of 29.3 Mb ...
Karthi Natesan, Ji Yeon Park, Cheol-Woo Kim, Dong Suk Park, Young-Seok Kwon, Chang-Gi Back, Heejung Cho   +6 more
openaire   +3 more sources

Commodity risk assessment of <i>Vitis</i> spp. plants from Moldova. [PDF]

EFSA J
Abstract The European Commission requests EFSA to provide scientific opinions in the field of plant health in accordance with Article 29 of Regulation (EC) No 178/2002. Annex VI of Commission Implementing Regulation (EU) 2019/2072 lists plants, plant products and other objects whose introduction into the Union from certain third countries is prohibited.
EFSA Panel on Plant Health (PLH), Civera AV, Baptista P, Chatzivassiliou E, Cubero J, Cunniffe N, de la Peña E, Desneux N, Filipiak A, Gonthier P, Hasiów-Jaroszewska B, Jactel H, Landa BB, Maistrello L, Makowski D, Milonas P, Papadopoulos NT, Potting R, Susi H, van der Gaag DJ, Gómez P, Justesen AF, Lucchi A, Urek G, Yuen J, Zappala L, Bernardo U, Bubici G, Carluccio AV, Chiumenti M, Di Serio F, Fanelli E, Kariampa P, Marzachì C, Kaczmarek A, Matic L, Mosbach-Schulz O, Berlin A.   +37 more
europepmc   +2 more sources

Avaliação do extrato de quitosana no manejo de tripes, Thrips tabaci, míldio, Peronospora destructor, e rendimento na cultura da cebola

Revista Thema, 2020
O objetivo deste estudo foi avaliar o uso de quitosana na incidência e danos de tripes, severidade de míldio, produtividade e rendimento pós-colheita de cebola. A cultivar de cebola utilizada foi a Epagri 362 Crioula Alto Vale.
Paulo Antonio de Souza Gonçalves, Edivânio Rodrigues de Araújo, Leandro Delalibera Geremias   +2 more
doaj   +1 more source

Стійкість колекційних зразків цибулі ріпчастої (Allium cepa L.) різного еколого-географічного походження проти пероноспорозу в умовах Чернігівської області

Plant Varieties Studying and Protection, 2013
Наведено результати досліджень сприйнятливості колекційних зразків цибулі ріпчастої різного еколого-географічного походження до збудника пероноспорозу (Peronospora destructor Berk).
Н. О. Горган, М. Д. Горган   +1 more
doaj   +1 more source

DEVELOPMENT OF FORECASTING SYSTEM FOR ONION DOWNY MILDEW IN EGYPT [PDF]

Journal of Productivity and Development, 2009
 Onion (Allium cepa L.) is grown worldwide for its fleshy bulbs which are used as food and medicinal purposes. In Egypt, onion is the 2nd major export crop after cotton. Downy mildew of onion, caused by Peronospora destructor (Berk.)Casp.
Sahar Zayan, Mohsen Afifi
doaj   +1 more source

Review of the existing maximum residue levels for ametoctradin according to Article 12 of Regulation (EC) No 396/2005

EFSA Journal, Volume 18, Issue 1, January 2020., 2020
Abstract According to Article 12 of Regulation (EC) No 396/2005, EFSA has reviewed the maximum residue levels (MRLs) currently established at European level for the pesticide active substance ametoctradin. To assess the occurrence of ametoctradin residues in plants, processed commodities, rotational crops and livestock, EFSA considered the conclusions ...
European Food Safety Authority (EFSA), Maria Anastassiadou, Giovanni Bernasconi, Alba Brancato, Luis Carrasco Cabrera, Luna Greco, Samira Jarrah, Aija Kazocina, Renata Leuschner, Jose Oriol Magrans, Ileana Miron, Stefanie Nave, Ragnor Pedersen, Hermine Reich, Alejandro Rojas, Angela Sacchi, Miguel Santos, Alois Stanek, Anne Theobald, Benedicte Vagenende, Alessia Verani   +20 more
wiley   +1 more source

Uso de enxofre na cultura da cebola em sistemas orgânico e convencional para o manejo de tripes e míldio e análise de rendimento

Revista Thema, 2017
O objetivo deste estudo foi avaliar o efeito de doses de enxofre aplicado em cobertura no solo no manejo de tripes, Thrips tabaci (Thysanopetra: Thripidae), e de míldio, Peronospora destructor, produtividade e rendimento pós-colheita de cebola, em ...
Paulo Antonio de Souza Gonçalves, Edivânio Rodrigues de Araújo, Claudinei Kurtz, Cristiano Mora   +3 more
doaj   +1 more source

Efeitos da adubação sobre a incidência de tripes e míldio e na produtividade da cultura da cebola

Agropecuária Catarinense, 2021
O objetivo do trabalho foi avaliar o efeito da adubação com nitrogênio, fósforo e potássio sobre a incidência de tripes (Thrips tabaci) e míldio (Peronospora destructor) e sobre produtividade da cultura da cebola. Os tratamentos foram metade, uma, duas e
Paulo Antônio de Souza Gonçalves, João Américo Wordell Filho, Claudinei Kurtz   +2 more
doaj  

Marker-assisted breeding of onion (A. cepa L.) maintainer line resistant to Downy mildew

Овощи России, 2021
Relevance. F1 hybrids breeding programs of onion are based on the use of nuclear cytoplasmic male sterility (NCMS). Breeding and seed production based on NCMS suggest a development of a female sterile maternal line, a maintainer line and a paternal ...
Ya. T. Eidlin, G. F. Monakhos, S. G. Monakhos   +2 more
doaj   +1 more source