Helminthosporium


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Helminthosporium

(hel'min-thō-spōr'ē-ŭm),
A saprobic fungus that is usually isolated in clinical laboratories; it has determinant parallel-walled conidiophores; commonly misapplied to isolates of Drechslera.

Hel·min·tho·spo·ri·um

(hel-min-thō-spōr'ē-ŭm)
A saprobic fungus, often isolated in clinical laboratories.

Helminthosporium

genus of toxic fungi.

Helminthosporium biseptatum
a fungus growing on onion grass (Romulea bulbocodium) and thought to contribute to its toxicity. Also found in maduromycosis lesions. Called also Drechslera spp.
Helminthosporium spiciferum
bipolarisspicifera.
References in periodicals archive ?
Effet of potash fertilization on helminthosporium leaf blight severity in wheat, and association increases in grain yield and kernel weight, Field plant Research, 93: 142-150.
Here, northeast of Harrisburg, we are surrounded by fields of grass and wheat for miles around and, consequently, heavy concentrations of helminthosporium all through our cool, wet winters.
Specializing in ornamental plant, cereal, and forage crop diseases, Ellett directed his attention to Helminthosporium leaf diseases of corn in Ohio, diseases of Bromus inermis (smooth brome) in Minnesota, and parasitic fungi of Ohio.
Pryor says fungal pathogens of cereals fall into two basic classes: nectotrophs, such as the maize blight fungus Helminthosporium, which kill the plant and feast on its dead tissues, and biotrophs such as wheat stem rust, Puccinia graminis ssp.
Stalk rot of corn caused by Helminthosporium rostratum.
Helminthosporium, Epicoccum, Fusarium, Mucor, Rhizopus, and Aureobasidium (Pullularia) are also common.
Other common molds isolated from homes are Alternaria, Penicillium, Helminthosporium and Aspergillus.
It impeded mycelial growth in the fungi Rhizoctonia solani with an IC50 of 39 [mu]M but there was no effect on a variety of other filamentous fungi, including Fusarium oxysporum, Helminthosporium maydis, Valsa mali and Mycosphaerella arachidicola, Lebbeckalysin inhibited growth of Escherichia coli with an IC50 of 0.
85] reported maize plants resistant to Helminthosporium maydis.
rosea on Helminthosporium modulosum, Sclerotium rolfsii, Pestalotia sp.
pteronyssinus), German cockroach (Blattella germanica), cat hair, seven grass mix, ragweed mix, common weed mix, Eastern eight tree mix, Dematiaceae mix (outdoor molds: Alternaria tenuis, Cladosporium herbarum, Helminthosporium sativum, Pullularia pullulans, Spondylocladium atrovirens, Curvularia spicifera), Aspergillus mix, and Penicillium mix.
Aspergillus, Penicillium, Helminthosporium, Epicoccum, Fusarium, Mucor, Rhizopus, and Aureobasidium (Pullularia) are also common.