Erysiphe cruciferarum Opiz, 1967

on Brassicales

Sisymbrium officinale, Belgium, prov. Antwerp, Meerhout, 11.vii.2017 © Carina Van Steenwinkel

also the fruits are affected

conidiophore

germinating conidia

appressorium

gall

mildew bloom over alle green parts of the plant, on leaves amphigenous. Conidia solitary, oblong-elliptic, without fibrosin bodies. Cleistothecia contain 4-10 asci with 3-6 spores. Appendages numerous, most 1-2 x as long as the diameter; they are attached below the equator, mycelioid, septate, hardly branched.

host plants

Brassicaceae, Cleomaceae, Papaveraceae, Resedaceae: broadly oligophagous

Alliaria petiolata; Alyssum alyssoides, dasycarpum, desertorum, granatense, hirsutum, minus, montanum, repens, szovitsianum, trichocarpum; Arabidopsis arenosa, thaliana; Arabis alpina & subsp. caucasica, glabra, hirsuta, pauciflora, pendula, planisiliqua & subsp. nemorensis, sagittata, soyeri subsp. subcoriacea; Argemone mexicana; Armoracia rusticana; Aurinia petraea, saxatilis; Barbarea vulgaris; Berteroa incana, mutabilis; Biscutella laevigata; Bocconia frutescens; Brassica barrelieri, carinata, elongata, juncea, napus, nigra, oleracea, rapa & subsp. chinensis; Bunias erucago, orientalis; Cakile maritima subsp. baltica; Camelina alyssum, microcarpa, sativa; Capsella bursa-pastoris, grandiflora; Cardamine bulbifera, x digenea, enneaphyllos, flexuosa, glanduligera, heptaphylla, hirsuta, kitaibelii, pentaphyllos, pratensis; Cardaria draba; Cleome hassleriana, viridiflora; Cochleraria; Coincya monensis, richeri; Crambe aspera, cordifolia, maritima, orientalis, tataria; Descurainia sophia; Diplotaxis erucoides, muralis, siifolia, tenuifolia; Draba incana; Eruca vesicaria; Erucastrum gallicum, nasturtiifolium; Erysimum cheiranthoides & subsp. altum, cheiri, crepidifolium, cuspidatum, diffusum, hieracifolium, humile, marschallianum, odoratum, pieninicum, repandum, rhaeticum, wittmannii; Eschscholzia californica; Fibigia clypeata; Fumaria capreolata, officinalis; Glaucium corniculatum, flavum; Hesperis dinarica, matronalis & subsp. schurii, pycnotricha, steveniana, sylvestris, tristis; Hirschfeldia incana; Iberis amara, aurosica subsp. nana, linifolia, pruittii, saxatilis, sempervirens, umbellata; Isatis praecox, tinctoria; Kernera saxatilis; Lepidium campestre, cartilagineum, densiflorum, graminifolium, hirtum, latifolium, perfoliatum, ruderale, sativum, virginicum; Lobularia maritima; Lunaria annua, rediviva; Malcolmia maritima; Matthiola incana; Meconopsis cambrica; Moricandia arvensis; Morisia monanthos; Murbeckiella zanonii; Myagrum perfoliatum; Nasturtium; Neslia paniculata; Noccaea goesingensis, perfoliata; Papaver alpinum, argemone, aurantiacum, commutatum, croceum, dubium, glaucum, hybridum, nudicaule, orientale, rhoeas, somniferum; Peltaria alliacea, angustifolia; Polanisia dodecandra; Pseudofumaria lutea; Pseudoturritis turritis; Raphanus raphanistrum & subsp. landra, sativus & subsp. niger; Rapistrum perenne, rugosum; Reseda alba, complicata, lutea, odorata; Rorippa amphibia, sylvestris; Sinapis alba, arvensis, pubescens; Sisymbrium altissimum, austriacum, irio, loeselii, officinale, orientale, polymorphum, strictissimum, volgense; Syrenia montana; Thlaspi arvense; Vella spinosa

references

Ale-Agha, Boyle, Braun ao (2008a), Bahçecioğlu, Kabaktepe & Yildiz (2006a), Bahçecioğlu & Yildiz (2005a), Blumer (1946a), Brandenburger (1985a), Braun (1995a), Braun & Cook (2012a) Bresinsky (2016a), Czerniawska (2001a), Czerniawska, Madej, Adamska ao (2000a), Dietrich (2013a), Doppelbaur & Doppelbaur (1973a), Dynowska, Fiedorowicz & Kubiak (1999a), Foitzik (1992a), Jage, Klenke, Kruse ao (2016a), Klenke & Kummer (2010a), Klenke & Kummer (2010a), Jage, Kruse, Kummer ao (2013a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kruse (2019a), Kruse ao (2022b), Kummer (2009a), Leysen (2017a), Losa España (1944a), Mayor (1967a, 1975a), Negrean (1996a), Negrean & Denchev (2000a), Kozłowska, Mułenko & Heluta (2015a), Negrean & Denchev (2004a), Kruse (2014a), Kruse & Jage (2014a), Pastirčáková, Jankovics, Komárom, ao (2016a), Piątek (2004a), Ruszkiewicz (2000a), Ruszkiewicz-Michalska (2006a), Ruszkiewicz-Michalska & Michalski (2005a) , Schmid-Heckel (1985a), Schmidt & Scholler (2011a), Świderska, Wołczańska, Kozłowska ao (2005a), Unamuno (1941a).