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Tag Archives: Royal Horticultural Society
Powdery Mildew Survey 2015
Please refer to the 2016 survey for updated info. The inaugural 2014 Powdery Mildew Survey produced a total of 160 powdery mildew samples resulting in 51 different species. Samples were received from all around the UK. With two years of collection … Continue reading
Guidelines for sending powdery mildews
Locate powdery mildew on plant host. Prune off several whole leaves (fig. 1). Put the fresh leaves in a slightly inflated sealed bag (fig. 2). Send to: Powdery Mildew Survey Oliver Ellingham Harborne Building School of Biological Sciences University of Reading … Continue reading
Posted in PhD research, Public Engagement with Science
Tagged #PowderyM, Ascomycota, Citizen Science, Erysiphaceae, Erysiphales, Fungal identification, Fungi, Oli Ellingham, Oliver Ellingham, Pathology, PhD research, Plant Pathology, Powdery Mildew, RHS, Royal Horticultural Society, Survey
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2014 powdery mildew species list
A list of all PM species I have found in 2014 is now available on the Whiteknights biodiversity blog. Please take a look.
First survey samples received!
This morning I was lucky enough to find a sealed envelope waiting for me on my desk. I had an idea and hope of what it may contain, and was far from disappointed… In mid-May of this year the Powdery … Continue reading
Powdery Mildew Survey
Please refer to the 2015 survey for updated info. As part of the Powdery Mildew citizen science scheme, I am asking YOU to keep an eye open for powdery mildews. Powdery mildews commonly occur on garden plants, are unsightly, and … Continue reading
Where it all began…
With approximately 800 different species of powdery mildew present on earth today, grouped into 13 genera (according to Braun & Takamatsu, 2000) of 5 tribes, combinations of the aforementioned features, as well as many less superficially obvious, are numerous. While many … Continue reading
Sexual Fungi
Like any organism reproduction is key to the life of the powdery mildews. Their short generation time and mixture of asexual (self-replication) and sexual life cycles have evolved to produce the veracious organisms which blight many of our agricultural and … Continue reading
Appendage Morphology
Amongst the most important visual, superficial features of the powdery mildew are their appendages. These limb-like features arising from the surface of the, sexual spore containing, chasmothecia are important for latching onto the stems and leaves of their hosts. They vary … Continue reading
How many spores?
After establishing itself on a host a powdery mildew can begin to reproduce. Asexual conidia (spores) are produced as 3-D protrusions, on structures called conidiophores, from the predominantly 2-D mycelial network on the surface of a host. In this aspect … Continue reading