Results 31 to 40 of about 312 (119)

Enhanced Resistance to Leaf Fall Disease Caused by Phytophthora palmivora in Rubber Tree Seedling by Sargassum polycystum Extract

open access: yesPlants, 2019
The brown seaweed (Sargassum polycystum C. Agardh-Sargassaceae) extract was examined for its bioelicitor properties in the rubber tree seedling (Hevea brasiliensis (Willd. ex A.Juss.) Müll.Arg. - Euphorbiaceae) and its application to reduce the leaf
Khemmikar Khompatara   +4 more
doaj   +1 more source

Polymorphic SSR markers for Plasmopara obducens (Peronosporaceae), the newly emergent downy mildew pathogen of Impatiens (Balsaminaceae) [PDF]

open access: yesApplications in Plant Sciences, 2015
Premise of the study:Simple sequence repeat (SSR) markers were developed for Plasmopara obducens, the causal agent of the newly emergent downy mildew disease of Impatiens walleriana.Methods and Results:A 202‐Mb draft genome assembly was generated from P. obducens using Illumina technology and mined to identify 13,483 SSR motifs.
Catalina, Salgado-Salazar   +3 more
openaire   +3 more sources

Site‐specific distribution of oak rhizosphere‐associated oomycetes revealed by cytochrome c oxidase subunit II metabarcoding

open access: yesEcology and Evolution, 2019
The phylum Oomycota comprises important tree pathogens like Phytophthora quercina, involved in central European oak decline, and Phytophthora cinnamomi shown to affect holm oaks among many other hosts.
Melanie Sapp   +8 more
doaj   +1 more source

The occurence of Peronospora radii de Bary on Argyranthemum frutescens (L.) Schultz-Bip. in the Czech Republic

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2007
Marguerite daisy (Argyranthemum frutescens) is an ornamental plant, that is used as a potted and landscape plant. In 2006, disease symptoms were observed on marguerite daisy (A. frutescens cv. ‘Butterfly’) in greenhouses in Brno-Tuřany.
Ivana Šafránková, Jiří Müller
doaj   +1 more source

First report of Neofusicoccum parvum and Phytophthora palmivora causing fruit rot of pomegranate in Italy

open access: yesItalian Journal of Mycology
Severe pomegranate yield losses due to fruit diseases have recently been observed in several orchards in Veneto (north-eastern Italy). Given the economic relevance of these emerging diseases, an in-depth study was conducted in ten orchards distributed in
Carlo Bregant   +5 more
doaj   +1 more source

Biological Flora of Britain and Ireland: Geranium sylvaticum*

open access: yesJournal of Ecology, Volume 114, Issue 2, February 2026.
Geranium sylvaticum is a perennial forb of upland grasslands, woodlands and riverbanks in northern Britain, with scattered native occurrences also in Wales, central England and Northern Ireland. It has an extensive native range in Europe and Asia. The species is gynodioecious, with individual plants typically female or hermaphrodite.
Markus Wagner   +6 more
wiley   +1 more source

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

open access: yesRevista 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   +4 more
doaj   +1 more source

Insights Into the Aetiology of Almond Canker Diseases and Decline Syndromes: An Emerging and Complex Phytopathological Challenge

open access: yesPlant Pathology, Volume 75, Issue 1, January/February 2026.
This review aims to elucidate the aetiology of almond cankers and decline syndromes as well as raise awareness within the scientific community of the need to deepen our knowledge of their aetiology and epidemiology to develop effective management strategies. ABSTRACT Almond (Prunus dulcis) canker diseases and decline syndromes have been reported during
Carmen Luque‐Cruz   +7 more
wiley   +1 more source

Commodity risk assessment of oak and walnut logs from the US

open access: yesEFSA Journal, Volume 24, Issue 1, January 2026.
Abstract The European Commission submitted to the EFSA Panel on Plant Health a Dossier from the United States proposing the use of a vacuum–steam–heat treatment as a stand‐alone phytosanitary measure to mitigate the risk of entry of Bretziella fagacearum, Geosmithia morbida and its vector Pityophthorus juglandis (thousand cankers disease complex) into ...
EFSA Panel on Plant Health (PLH)   +30 more
wiley   +1 more source

Can Capsicum spp. genotypes resist simultaneous damage by both Phytophthora capsici and Bemisia tabaci? Can natural enemies of Bemisia complement plant resistance?

open access: yesFrontiers in Ecology and Evolution
Capsicum (Solanaceae) includes peppers and chilies. Phytophthora capsici (Peronosporaceae) and Bemisia tabaci (Hemiptera: Aleyrodidae) are two relevant problems in the production of this genus.
Liliana Corozo-Quiñónez   +3 more
doaj   +1 more source

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