First Report of Powdery Mildew Caused by Golovinomyces biocellatus on Apple Mint in Korea

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...

Incidence of Lettuce Downy Mildew (Bremia lactucae) and Powdery Mildew (Golovinomyces cichoracearum) in Natural Populations of Prickly Lettuce (Lactuca serriola)

Mieslerová B., Lebeda A., Petrželová I., Korbelová P. (2013): Incidence of lettuce downy mildew (Bremia lactucae) and powdery mildew (Golovinomyces cichoracearum) in natural populations of prickly lettuce (Lactuca serriola). Plant Protect. Sci., 39 (Special Issue): S24–S32. The study was focused on the wild pathosystem Lactuca serriola–lettuce downy mildew (Bremia lactucae) and lettuce powdery ...

Powdery mildew of soybeans.

Incidence and Severity Relationships of Secondary Infections of Powdery Mildew on Apple

SEEM, R. C., and J. D. GILPATRICK. 1980. Incidence and severity relationships of secondary infections of powdery mildew on apple. Phytopathology 70:851-854. Severity (amount of leaf tissue affected by disease) can be determined relationship remained constant for data from different locations or from incidence (proportion of leaves diseased) for secondary infections of cultivars, but it varied a...

Response of Several Apple Varieties to Powdery Mildew (podosphaera Leucotricha) Attack in Central Transylvania Conditions

The response of apple cultivars to powdery mildew attack – Podosphaera leucotricha (Ell. et Everh.) Salm. – on leaves and shoots, for seven years (1990-1996), emphasised a large variability for this character existing within 75 apple varieties tested in an experimental field at the Fruit Research Station in Cluj-Napoca, Central Transylvania, Romania. The experimental results confirmed that the ...