Golovinomyces orontii Desmazières, 1846

Fungi, Erysiphaceae

op dicotylen

on dicotyledons

Vinca minor, Loenen © Arnold Grosscurt

Golovinomyces orontii: powdery mildew on Vinca minor

Vinca minor, Loenen © Arnold Grosscurt

Vinca spec., België, prov. Antwerpen, Meerhout © Carina Van Steenwinkel

Golovinomyces orontii: mildew on Vinca spec.

Vinca spec., Belgium, prov. Antwerp, Meerhout © Carina Van Steenwinkel

appressorium

Golovinomyces orontii: appressorium

appressorium

conidia

Golovinomyces orontii: conidia

conidia

conidioforen

Golovinomyces orontii: conidiophores

conidiophores

gal: mycelium beiderzijdig, wit. Appressoria tepelvormig, vaak onduidelijk. Conidia in korte ketens, zonder fibrosine-lichaampjes, ± eivormig. Basale cel van de conidiofoor meestal gebogen, 30-100 µm lang, gevolgd door twee kortere cellen. Cleistothecia worden slechts zelden gevormd. Ze bevatten 5-14 asci met 2-3 sporen. Aanhangsels talrijk, op en onder de equator, 0.5-2 x de diameter; ze zijn mycelioid, bruin, meestal onvertakt.

gall: mycelium amphigenous, white. Appressoria nipple-shaped, often indistinct. Conidia in short chains, without fibrosin bodies, ± ovoid. Foot-cell of the coniophore usually curved, 30-100 µm long, followed by two shorter cells. Cleistothecia are only rarely found. They contain 5-14 asci with 2-3 spores. Appendages numerous, on and below the equator, 0.5-2 x the diameter; they are mycelioid, brown, mostly unbranched.

waardplanten: dicotylen, breed polyfaag

hostplants: dicotyledons, broadly polyphagous:

Abelmoschus esculentus; Acanthus hungaricus, mollis, shottianus, spinosus; Achimenes splendens; Aeonium tabuliforme; Alonsoa acutifolia; Althaea cannabina; Anoda cristata; Antirrhinum majus; Argyranthemum frutescens; Asclepias; Begonia x hybrida, rex, socotrana x dregei; Benincasa hispida; Berteroa incana, mutabilis; Brassica; Bryonia alba, cretica subsp. dioica; Calluna vulgaris; Camelina; Campanula alliariifolia bononiensis, cervicaria, glomerata, latifolia, medium, persicifolia, portenschlagiana, ramosissima, rapunculoides, rapunculus, rotundifolia, trachelium; Capsella bursa-pastoris, rubella; Cardamine; Chrysanthemum x grandiflorum, indicum; Cissus antarctica, rhombifolia; Cistus ladanifer; Citrullus colocynthis, lanatus; Cotyledon orbiculata; Crassula coccinea, cooperi; Cucumis melo, metuliferus, myriocarpus, prophetarum, sativus; Cucurbita ficifolia, maxima, moschata, pepo; Cyclamen persicum; Cymbalaria muralis; Dahlia pinnata; Datura stramonium; Digitalis grandiflora, lutea, purpurea, viridiflora; Ecballium elaterium; Echeveria; Echinocystis lobata; Erica carnea, gracilis; Eruca sativa; Erysimum cheiranthoides; Eucalyptus globulus; Glebionis coronaria; Hebe franciscana; Hedera helix; Helianthemum nummularium; Helianthus annuus, debilis; Hibiscus; Hippuris vulgaris; Humulus lupulus; Hydrangea macrophylla; Hylotelephium anacampseros, ewersii, maximum; Hyssopus officinalis & subsp. montanus; Incarvillea delavayi, mairei; Ismelia carinata; Kalanchoe blossfeldiana; Lagenaria siceraria; Lamium galeobdolon; Legousia speculum-veneris; Limnanthes douglasii; Linaria genistifolia, maroccana, repens, vulgaris; Linum africanum, austriacum, perenne, usitatissimum, viscosum; Lycopersicon esculentum; Malva alcea, moschata, sylvestris; Melampyrum bihariense, nemorosum, pratense; Misopates orontium; Nemesia; Neslia paniculata; Nicotiana affinis, alata, rustica, x sanderae, sylvestris, tabacum; Nierembergia hippomanica; Nolana humifusa, paradoxa; Oxalis corniculata, stricta; Papaver argemone, dubium, orientale, rhoeas, rupifragum, somniferum; Penstemon barbatus, gloxinioides, cf. spectabilis; Petunia x hybrida; Physalis ixocarpa; Pilea cadierei; Potamogeton natans; Prunus avium, domestica; Raphanus; Ricinus communis; Rosularia sedoides; Saintpaulia ionantha; Saponaria; Schizanthus grahami, pinnatus; Scopolia carniolica; Scorzonera; Scrophularia; Sedum aizoon, bellum, cauticola, dasyphyllum, greggii, hultenii, hybridum, lineare, lydium, populifolium, praealtum, rhodocarpum, rupestre, sarmentosum, spectabile, spurium, stahlii; Sempervivum tectorum; Solanum antipoviczii, melongena, tuberosum; Streptocarpus x hybridus; Striga hermonthica; Swertia perennis; Tanacetum coccineum, corymbosum, parthenium; Thunbergia alata, battiscombei, gregorii; Tiarella cordifolia; Trachomitum venetum; Valerianella carinata, dentata, locusta, muricata, rimosa; Verbena bonariensis, hastata, hybrida, officinalis; Veronica arvensis, austriaca & subsp. dentata, biloba, chamaedrys, filiformis, gentianoides, hederifolia, longifolia, orchidea, persica, prostrata, speciosa, spuria, turilliana; Vinca difformis, herbacea, major, minor; Viola altaica, arvensis, cornuta, dacica, jooi, mirabilis, odorata, reichenbachiana, tricolor, x wittrockiana.

synoniemen: Erysiphe orontii Castagne, 1851; Erysiphe polyphhaga Hammarlund, 1945; Oidium ladaniferi von Thümen, 1878; ? Oidium valerianellae Fuckel, 1865.

synonyms: Erysiphe orontii Castagne, 1851; ; Erysiphe polyphhaga Hammarlund, 1945; Oidium ladaniferi von Thümen, 1878; ? Oidium valerianellae Fuckel, 1865.

literatuur:

references:

Ale-Agha, Boyle, Braun, Butin, Jage, Kummer & Shin (2008a), Braun (1995a), Braun, Ale-Agha, Bolay, Boyle, Brielmaier-Liebetanz, Emgenbroich, Kruse & Kummer (2009a), Braun & Cook (2012a), Buhr (1965a), Czerniawska (2001a), Ellis & Ellis (1997a), Hafellner (1980a), Jage, Kruse, Kummer, Caspari, Regin & Schmitt (2013a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kruse (2014a), Kruse & Jage (2014a), Negrean & Denchev (2000a), Piątek (2004a), Scheuer & Bechter (2012a), Świderska, Wołczańska, Kozłowska, Mułenko & Mamczarz (2005a), Tóth (1994a).

21/10/2016