Results 21 to 30 of about 265 (154)
Inheritance of resistance against Peronospora destructor in onion cv. ‘Regia’
Australian Journal of Crop Science, 2020 Onion downy mildew (DM) caused by Peronospora destructor is a very destructive leaf disease. Genetic resistance is an economic and environmentally friendly way of disease control. In this research, the segregation of DM resistance was analysed in six offspring from crosses between national cultivars and the cv. ‘Regia’, a partial resistance source.
Mariana Arias +5 more
openaire +4 more sources
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 +6 more
openaire +3 more sources
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 +2 more
doaj +1 more source
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 +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
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) +20 more
wiley +1 more source
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 +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 +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 +2 more
doaj +1 more source
Agronomy, 2020 Onion downy mildew (ODM) caused by Peronospora destructor has been increasing annually in south-western Québec since the early 2000s, reaching 33% of affected onion fields in 2014. Using observational data collected over a period of 31 consecutive years,
Hervé Van der Heyden +4 more
doaj +1 more source