First Report of Powdery Mildew Caused by Phyllactinia actinidiae on Kiwifruit in Sichuan, China

first report of powdery mildew of rosa persica caused by leveillula taurica from iran

during the study of powdery mildew related to erysiphaceae family from abardeh region in mashhad (khorasan-e-razavi province), one species of rose (rosa persica michx.ex juss, summer 2006) with symptoms of powdery mildew was collected. the symptoms observed with the naked eye including the dense cottony shape mycelia infected the leaf surfaces as well as some parts of the stem. mycelia were den...

Powdery mildew of soybeans.

Powdery mildew as invasive plant pathogens: new epidemics caused by two North American species in Europe.

This number of Mycological Research News features: In this issue; Fungi associated with insects or used for applied biocontrol ; Powdery mildews as invasive plant pathogens: new epidemics caused by two North American species in Europe; and Genetic differences among nuclei in arbuscular mycorrhizal fungi. This theme issue on fungi associated with insects includes ten papers on this topic. These ...

Outbreak and Spread of Bacterial Canker of Kiwifruit Caused by Pseudomonas syringae pv. actinidiae Biovar 3 in Korea

A bacterial pathogen, Pseudomonas syringae pv. actinidiae (Psa), is a causal agent of kiwifruit bacterial canker worldwide. Psa biovar 3 (Psa3) was first detected in 2011 at an orchard in Dodeok-myeon, Goheunggun, Jeonnam Province in Korea. In this study, we present the results of an epidemiological study regarding Psa3 occurrence on kiwifruit orchards in Korea for the period of 2013 to 2015. S...

Induction of Disease Symptoms in Barley by Powdery Mildew.

Powdery millews usually grow superficially on their hosts but produce symptoms of disease throughout the underlying host tissues. The symptoms include marked increase in respiratory rate (1, 3, 15. 24, 26, 30. 35); accumulation of organic and inorganic substances (1,29, 36): increase in dry weight (10. 26) ; increase in wet weight (3) decrease in photosynthesis when the disease is well develope...