Results 11 to 20 of about 10,936 (187)

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   +2 more sources

Factors Influencing the Occurrence of Onion Downy Mildew (Peronospora destructor) Epidemics: Trends from 31 Years of Observational Data

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, Pierre Dutilleul, Jean-Benoît Charron, Guillaume J. Bilodeau, Odile Carisse   +4 more
doaj   +2 more sources

Field efficacy of Tagetes erecta extract against onion downy mildew (Peronospora destructor) [PDF]

Archives of Agriculture Sciences Journal
Field experiments were conducted at Etay El-Baroud Agricultural Research Station, Beheira Governorate, Egypt, during the 2020–21 and 2021–22 growing seasons to evaluate the efficacy of Tagetes erecta extract as a foliar treatment against onion downy ...
M. Amin
doaj   +2 more sources

Review of the existing maximum residue levels for zoxamide according to Article 12 of Regulation (EC) No 396/2005 and setting of an import tolerance for onions, garlic and shallots. [PDF]

EFSA J, 2023
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 zoxamide. To assess the occurrence of zoxamide residues in plants, processed commodities, rotational crops and livestock, EFSA considered the conclusions derived ...
European Food Safety Authority (EFSA), Bellisai G, Bernasconi G, Carrasco Cabrera L, Castellan I, Del Aguila M, Ferreira L, Santonja GG, Greco L, Jarrah S, Leuschner R, Perez JM, Miron I, Nave S, Pedersen R, Reich H, Ruocco S, Santos M, Scarlato AP, Theobald A, Tiramani M, Verani A.   +21 more
europepmc   +2 more sources

Beheersing valse meeldauw (Peronospora destructor) in uien : Proefjaar 2004

, 2005
Valse meeldauw (Peronospora destructor) in uien is een terugkerend probleem. Om dit probleem het hoofd te bieden is in 2004 in opdracht van het Hoofdproductschap Akkerbouw (HPA) onderzoek gestart om uiteindelijk tot een praktische beheersstrategie voor valse meeldauw in de teelt van uien te komen.
Meier, R., Schepers, H.T.A.M., Wander, J.G.N., Hospers-Brands, A.J.T.M., Prins, U., Bruin, C.   +5 more
openaire   +2 more sources

Efecto del Fosfito de Potasio en Combinación con el Fungicida Metalaxyl + Mancozeb en el Control de Mildeo Velloso (Peronospora destructor Berk) en Cebolla de Bulbo (Allium cepa L.) Effect of the Potasium Phosphite in Combination with the Fungicide Metalaxyl plus Mancozeb on the Control of Downy Mildew (Peronospora destructor Berk) in Onion Bulb (Allium cepa L.)

Revista Facultad Nacional de Agronomía Medellín, 2012
Resumen. El hongo Peronospora destructor causa considerables pérdidas en la producción de cebolla de bulbo en el mundo. Fosfito de potasio en combinación con el fungicida Metalaxyl + Mancozeb, fue evaluado por su eficiencia en el control de este patógeno
Jorge Velandia Monsalve, Silvio Edgar Viteri Rosero, Nubia Janeth Rubio Cárdenas, Fabián Octavio Tovar Duarte   +3 more
doaj   +1 more source

Multidimensional Perspective on the Quality of Green Onion: Between the Visible, the Measurable, and the Perceived. [PDF]

Food Sci Nutr
This graphical abstract presents a five‐phase framework to define green onion quality by integrating literature evidence, physicochemical and bioactive data, digital trends, field damage observations, and consumer perception, providing a multidimensional and measurable quality assessment.
Castaño-Tarazona LW, Henao-Rojas JC, Ramírez-Gil JG.   +2 more
europepmc   +2 more sources

Attack of the clones: Population genetics reveals clonality of Colletotrichum lupini, the causal agent of lupin anthracnose. [PDF]

Mol Plant Pathol, 2023
Population genetics of Colletotrichum lupini revealed four distinct lineages, of which one is globally spread, indicated clonal reproduction, and showed variability in the presence/absence of a minichromosome. Abstract Colletotrichum lupini, the causative agent of lupin anthracnose, affects lupin cultivation worldwide.
Alkemade JA, Baroncelli R, Messmer MM, Hohmann P.   +3 more
europepmc   +2 more sources

Statement on the update of maximum residue levels (MRLs) for copper compounds in light of the EFSA scientific opinion on the re-evaluation of the health-based guidance values (HBGVs) and exposure assessment from all sources. [PDF]

EFSA J
Abstract In compliance with Article 43 of Regulation (EC) No 396/2005, the European Food Safety Authority (EFSA) reviewed the maximum residue levels (MRLs) for copper compounds in light of the EFSA Scientific Committee opinion on the re‐evaluation of the health‐based guidance values (HBGVs) and exposure assessment from all sources.
European Food Safety Authority (EFSA).
europepmc   +2 more sources

VIABILIDADE DE UM SISTEMA DE PREVISÃO PARA O MÍLDIO (Peronospora destructor) DA CEBOLA [PDF]

, 2021
O míldio (Peronospora destructor) é uma das principais doenças da cultura dacebola no Sul do Brasil. O regime de pulverização baseado em um sistema deprevisão pode possibilitar a redução do número de pulverizações e maximizar ocontrole da doença.
Sheila Chaiana Harbs, Leandro Luiz Marcuzzo, Rampelotti, null Rampelotti, null Sheila Chaiana Harbs, null Leandro Luiz Marcuzzo   +5 more
core   +1 more source