Results 21 to 30 of about 188 (120)

Distribution of cucurbit powdery mildew species in the Czech Republic

Plant Protection Science, 2002
The occurrence of Erysiphe cichoracearum (Ec) and Sphaerotheca fuliginea (Sf), causal agents of cucurbit powdery mildewin the Czech Republic (CR) was studied in the period of 1995-2001.
E. Křístková, A. Lebeda, B. Sedláková, M. Duchoslav   +3 more
doaj   +1 more source

Occurrence of anamorphic and teleomorphic stage of Erysiphe palczewskii (syn. Microsphaera palczewskii) on Caragana arborescens in the Czech Republic and Austria and its morphological characterisation

Plant Protection Science, 2008
During the summer of 2007 in a private garden in Smržice (district Prostějov, Czech Republic) symptoms of powdery mildew on Caragana arborescens were recorded. Until now at least two powdery mildew species (Microsphaera trifolii var.
Aleš Lebeda, Barbora Mieslerová, Michaela Sedlářová, Miloš Pejchal   +3 more
doaj   +1 more source

Echter Gurkenmehltau – Erreger, Regulierungsmöglichkeiten und Vorstellung einer Webanwendung zur Befallsbonitur

Journal für Kulturpflanzen, 2013
Der Echte Mehltau an Cucurbitaceen ist weltweit verbreitet. In Europa treten als Erreger im Wesentlichen zwei Arten auf, Podosphaera xanthii (syn. Sphaerotheca fuliginea, S. fusca) und Golovinomyces orontii (syn. Erysiphe cichoracearum).
Eckhard Koch, Eckard Moll, Annegret Schmitt, Christoph Seifried   +3 more
doaj   +1 more source

Existence of different physiological forms within genetically diverse strains of Ampelomyces quisqualis [PDF]

Phytoparasitica, 2011
Powdery mildew fungi are parasitized by strains of the genetically distinct Ampelomyces quisqualis. To investigate whether differences in the phylogeny and other cultural, morphological and physiological characteristics of these different strains are related to differences in their geographic origins or the host species from which they were isolated ...
Angeli, D., Maurhofer, M., Gessler, C., Pertot, I.   +3 more
openaire   +3 more sources

New Hosts of Ampelomyces quisqualis Hyperparasite to Powdery Mildew in Korea

Research in Plant Disease, 2007
308 isolates of Ampelomyces quisqualis were isolated from powdery mildew fungi of 73 plant species in Korea from 1994 to 2004. Among them, the new mycohosts and new plant hosts of A. quisqualis were found in 13 species of powdery mildew fungi in 38 species of plant. The new hosts of A.
Sang-Yeob Lee, Yong-Ki Kim, Hong-Gi Kim, Hyeon-Dong Shin   +3 more
openaire   +2 more sources

A comparison of the EU and US regulatory frameworks for the active substance registration of microbial biological control agents

Pest Management Science, Volume 75, Issue 1, Page 87-103, January 2019., 2019
This article compares the regulation of microbial biopesticide registration in the European Union (EU) and the USA, discussing regulatory differences and resulting obstacles. EU registration takes substantially longer, lagging mostly at the national level.
Coen Frederiks, Justus HH Wesseler
wiley   +1 more source

Evaluation of data concerning the necessity of bromoxynil as herbicide to control a serious danger to plant health which cannot be contained by other available means, including non‐chemical methods

EFSA Journal, Volume 16, Issue 8, August 2018., 2018
Abstract EFSA was requested by the European Commission to provide scientific assistance under Article 31 of Regulation (EC) No 178/2002 regarding the evaluation of data concerning the necessity of bromoxynil as a herbicide to control a serious danger to plant health which cannot be contained by other available means including non‐chemical methods, in ...
European Food Safety Authority (EFSA)
wiley   +1 more source

Scientific support for preparing an EU position in the 50th Session of the Codex Committee on Pesticide Residues (CCPR)

EFSA Journal, Volume 16, Issue 7, July 2018., 2018
Abstract In accordance with Article 43 of Regulation (EC) 396/2005, EFSA received a request from the European Commission to provide support for the preparation of the EU position for 50th session of the Codex Committee on Pesticide Residues (CCPR). In 2017, Joint FAO/WHO Meeting on Pesticide Residues (JMPR) evaluated 15 active substances regarding the ...
European Food Safety Authority (EFSA)
wiley   +1 more source

Update of the list of QPS‐recommended biological agents intentionally added to food or feed as notified to EFSA 8: suitability of taxonomic units notified to EFSA until March 2018

EFSA Journal, Volume 16, Issue 7, July 2018., 2018
Abstract The qualified presumption of safety (QPS) was developed to provide a harmonised generic pre‐evaluation procedure to support safety risk assessments of biological agents performed by EFSA's Scientific Panels. The identity, body of knowledge, safety concerns and antimicrobial resistance of valid taxonomic units were assessed.
EFSA Panel on Biological Hazards (BIOHAZ), Antonia Ricci, Ana Allende, Declan Bolton, Marianne Chemaly, Robert Davies, Pablo Salvador Fernández Escámez, Rosina Girones, Konstantinos Koutsoumanis, Roland Lindqvist, Birgit Nørrung, Lucy Robertson, Giuseppe Ru, Moez Sanaa, Marion Simmons, Panagiotis Skandamis, Emma Snary, Niko Speybroeck, Benno Ter Kuile, John Threlfall, Helene Wahlström, Pier Sandro Cocconcelli, Luisa Peixe, Miguel Prieto Maradona, Amparo Querol, Juan Evaristo Suarez, Ingvar Sundh, Just Vlak, Fulvio Barizzone, Sandra Correia, Lieve Herman   +30 more
wiley   +1 more source

Evaluation of data concerning the necessity of pymetrozine as an insecticide to control a serious danger to plant health which cannot be contained by other available means, including non‐chemical methods

EFSA Journal, Volume 16, Issue 1, January 2018., 2018
Abstract The European Food Safety Authority (EFSA) was requested by the European Commission to provide scientific assistance under Article 31 of Regulation (EC) No 178/2002 regarding the evaluation of data concerning the necessity of pymetrozine as an insecticide to control a serious danger to plant health, which cannot be contained by other available ...
European Food Safety Authority (EFSA)
wiley   +1 more source