Results 21 to 30 of about 8,516 (302)
Downy and powdery mildews are major grapevine diseases. In organic viticulture, a few fungicides with protectant activities (copper and sulphur in particular) can be used, and their preventative application frequently leads to unneeded spraying.
Giuliana Maddalena +3 more
doaj +1 more source
Oidium longipes, a new powdery mildew fungus on petunia in the USA: A potential threat to ornamental and vegetable solanaceous crops [PDF]
This is the first North American report of Oidium longipes, an anamorphic powdery mildew species described recently in Europe. It was found on vegetatively propagated petunia grown in a commercial greenhouse in New Jersey, USA, where it caused a rapidly ...
Bolay A. +11 more
core +2 more sources
Background Powdery mildew is a common leaf disease of crops worldwide. A large quantity of chemical fungicides is used to control this disease in horticulture and agriculture, producing serious safety and environmental problems.
Hongjun Yang +4 more
doaj +1 more source
Relationships between Oak powdery mildew incidence and severity and commensal fungi [PDF]
Oak (Quercus robur) powdery mildew is a common and damaging fungal disease. In a local survey at Reading, UK, oak powdery mildew was common on trees of all height classes but was most common on trees of 3-9m.
Ayres +44 more
core +1 more source
Powdery mildews are notorious fungal plant pathogens but only limited information exists on their genomes. Here we present the mitochondrial genome of the grape powdery mildew fungus Erysiphe necator and a high-quality mitochondrial gene annotation ...
Alex Z. Zaccaron +2 more
doaj +1 more source
First comprehensive phylogenetic analysis of the genus Erysiphe (Erysiphales, Erysiphaceae) II: the Uncinula lineage [PDF]
Phylogenetic relationships of the Uncinula lineage, which is the basal group in the genus Erysiphe, were investigated with 167 sequences of nuc ITS1-5. 8S-ITS2 and the 28S rDNA regions.
Heluta, Vasyl +4 more
core +1 more source
A hyperparasite affects the population dynamics of a wild plant pathogen [PDF]
Peer ...
Kiss, L. +8 more
core +4 more sources
Challenge by a nonadapted powdery mildew fungal pathogen leads to the formation of a local cell-wall apposition (papilla) beneath the point of attempted penetration.
A. Feechan +6 more
doaj +1 more source
Fungi of the genus Ampelomyces are the major antagonists of Erysiphales fungi being a significant group of phytopathogens. The hyperparasites attack various developmental stages of powdery mildews. As a result the infested ascomata do not reach the stage
Ewa Sucharzewska +4 more
doaj +1 more source
Powdery mildews caused by several fungi, particularly of the genera Erysiphe, Sphaerotheca and Leveillula, are destructive diseases of various cultivated and wild plants during winter season (December–March) in Sudan.
Abdalla Abdelrahim Satti
doaj +1 more source

