Results 241 to 250 of about 67,603 (321)

Conidial germination patterns in powdery mildews

Mycological Research, 2009
Four conidial germination types namely, polygoni (syn. Pseudoidium), cichoracearum (syn. Reticuloidium), pannosa (syn. Fibroidium) and fuliginea (syn. Magnicellulatae) are commonly used as an aid in the identification of the Oidium anamorphs of powdery mildews. However, results of germination tests and a survey of the literature showed that these types
R T A, Cook, U, Braun
openaire   +3 more sources

Enhancing identification accuracy for powdery mildews using previously underexploited DNA loci

open access: yesMycologia, 2019
The internal transcribed spacer (ITS) DNA marker is routinely used for fungal identification but gives a clear result for only three out of four powdery mildew samples.
Oliver Ellingham   +2 more
exaly   +2 more sources

Powdery mildews

Botanical Review, The, 1957
C E Yarwood
exaly   +2 more sources

The Powdery Mildews

Mycologia, 1979
Throughout the temperate zones of the world, on many different kinds of plants, there occurs a whitish fungus growth of the powdery mildew fungi (Figs. 26-1,-3,-6). These fungi, which comprise the family Erysiphaceae, are all obligate parasites and all but a few are ectoparasites.
James W. Kimbrough, D. M. Spencer
openaire   +2 more sources

Differentiating Powdery Mildew from False Powdery Mildew

Journal of Industrial Hemp, 2008
ABSTRACT This note continues the “Cannabis Clinic” series, presenting diseases and pests of hemp, featuring color illustrations of signs and symptoms. The fungus Trichothecium roseum produces a white fuzz that covers branches, leaves, and flowering tops of hemp.
John M. McPartland, Karl W. Hillig
openaire   +1 more source

Tomato powdery mildew

Plant Pathology, 1988
A powdery mildew ( Erysiphe sp.) occurred on greenhouse‐grown tomato crops in southern England in 1987. White pustules appeared on the upper surfaces of leaves of affected crops and only rarely on the under surfaces. In greenhouse experiments, stems were very severely affected.
J. T. FLETCHER   +2 more
openaire   +1 more source

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