Results 41 to 50 of about 261 (152)

Modification of the existing maximum residue levels for valifenalate in various crops

EFSA Journal, Volume 16, Issue 6, June 2018., 2018
Abstract In accordance with Article 6 of Regulation (EC) No 396/2005, the applicant Belchim Crop Protection NV/SA submitted a request to the competent national authority in Hungary to modify the existing maximum residue levels (MRLs) for the active substance valifenalate in various crops.
European Food Safety Authority (EFSA), Alba Brancato, Daniela Brocca, Luis Carrasco Cabrera, Chloe De Lentdecker, Zoltan Erdos, Lucien Ferreira, Luna Greco, Samira Jarrah, Dimitra Kardassi, Renata Leuschner, Christopher Lythgo, Paula Medina, Ileana Miron, Tunde Molnar, Ragnor Pedersen, Hermine Reich, Angela Sacchi, Miguel Santos, Alois Stanek, Juergen Sturma, Jose Tarazona, Anne Theobald, Benedicte Vagenende, Laura Villamar‐Bouza   +24 more
wiley   +1 more source

Distribution and association of factors affecting onion purple blotch disease epidemics in northwestern Ethiopia

Agrosystems, Geosciences &Environment, Volume 8, Issue 2, June 2025.
Abstract Onion (Allium cepa L.) is an important food bulb crop used for various dishes and medical purposes. However, purple blotch disease limits productivity and production of onion in onion‐growing regions. Thus, this research was conducted to assess the distribution and intensity of purple blotch of onion and determine the associations of disease ...
Mitku Bitew, Getnet Yitayih, Girmay Aragaw   +2 more
wiley   +1 more source

First Report of Downy Mildew (Caused by Peronospora destructor) of Onion in Georgia

Plant Disease, 2000
In February 1999, localized areas in a commercial field of Vidalia sweet onions in Toombs County, GA, exhibited symptoms that included elongated pale to light tan lesions on older leaves as well as some totally collapsed leaves. A dark, sooty to purple-gray fungal growth also was observed on affected leaves.
D B, Langston, D R, Sumner
openaire   +2 more sources

Diurnal Trends and Meteorological Factors Influencing the Variability of Fluorescent Bioaerosol in Mt. Crested Butte, Colorado During SAIL

Journal of Geophysical Research: Atmospheres, Volume 130, Issue 4, 28 February 2025.
Abstract Despite the crucial role of bioaerosol particles (BAP) in our climate system, local ecosystems, and human health, our grasp on their atmospheric interactions is hampered by a lack of high‐resolution and long‐term data, which is essential for understanding their abundance and variability in response to meteorological conditions.
Abu Sayeed Md Shawon, Katherine B. Benedict, Alejandro Gutierrez, Allison C. Aiken   +3 more
wiley   +1 more source

Efeito de fosfitos de potássio e de manganês sobre o míldio da cebola

Agropecuária Catarinense, 2020
O presente trabalho teve por objetivo comparar os efeitos do fosfito de potássio e de manganês na severidade do míldio na cultura da cebola. Para tanto, realizou-se um experimento na Epagri/Estação Experimental de Ituporanga, SC, de agosto a dezembro de ...
João Américo Wordell Filho, Marciel João Stadnik   +1 more
doaj  

Altas diluições dinamizadas de fenazopiridina e cartilagem de tubarão no manejo de tripes, míldio e no rendimento de cebola em sistema orgânico

Revista Thema
O manejo fitossanitário da cultura da cebola tem como principais agentes bióticos na fase de desenvolvimento vegetativo e formação de bulbos o míldio, Peronospora destructor (Berk.) Casp.
Paulo Antonio de Souza Gonçalves, Edivânio Rodrigues de Araújo, Pedro Boff, Renata Sousa Resende, Leandro Delalibera Geremias   +4 more
doaj   +1 more source

Evaluación de extractos de ocho especies vegetales en el control de mildeo velloso (Peronospora destructor Berk) en cebolla de bulbo (Allium cepa L.)

Ciencia y Agricultura, 2015
Extractos de ocho especies vegetales: eucalipto (Eucalytus globulus), cola de caballo (Equisetum bogotense), ortiga (Urtica urens), manzanilla (Matricaria chamomilla), caléndula (Calendula officinalis), yerbabuena (Menta viridis), ajo (Allium sativum) y ...
Pedro Enrique Cubides-Hernández
doaj  

THE INTERSPECIFIC HYBRIDS OF ONION WITH HIGH DEGREE OF RESISTANCE TO A PERONOSPOROZ AND HIGH CONTENT OF NONVOLATILE SOLID

Овощи России, 2018
The problem of stability of plants of the onion to the most nocuous diseases acquired in the world a paramount value. Untrue mealy dew or peronosporoz onion related to their number, astonishes many kinds of the sort Allium L.
A. F. Agafonov, V. V. Logunova, L. K. Gurkina   +2 more
doaj   +1 more source

BREEDING CHARACTERISTICS OF PERENNIAL FORMS OF INTERSPECIFIC HYBRIDS OF ALLIUMS

Овощи России, 2018
In breeding programs agriculture, interspecies hybridization is an important tool for creating a genetically updated source material in the breeding of varieties.
V. S. Romanov, A. S. Domblides, L. Yu. Kan, A. V. Soldatenko, M. M. Tareeva   +4 more
doaj   +1 more source

Breeding for resistance to onion downy mildew caused byPeronospora destructor

Hilgardia, 1939
Abstract does not appear. First page follows. Introduction The onion downy-mildew fungus, Peronospora destructor (Berk.) Casp., is practically world-wide in distribution (2), (5).5 It was first described in 1841 by Berkeley (1) in England, and reported by Trelease (12) from Wisconsin in 1884.
L. D. Leach, D. R. Porter, H. A. Jones
openaire   +2 more sources