Laetiporus sulphureus (Bulliard) Murrill, 1920

Grigaliūnaitė, Banga, Matelis, Antanas & Stackevičienė, Elicija, 2010, Fungi On Aesculus Genus Plants In Vilnius City Green Plantations, Acta Biologica Universitatis Daugavpiliensis 10 (1), pp. 11-15 : 3-5

Laetiporus sulphureus (Bulliard) Murrill, 1920 Fusarium oxysporum Schlechtendal, 1824 – on on trunk in 2 localities. twigs in 3 localities.

Oxyporus populinus (Schumacher) Donk, 1933 Fusarium sambucinum Fuckel, 1870 (syn.

– on trunk and twigs in 3 localities. Gibberella pulicaris (Fries) Saccardo, 1877 ) –

Phellinus robustus (P. Karsten) Bourdot & on twigs in 3 localities.

Galzin, 1928 – on trunk in 1 locality.

Ph. igniarius (Linnaeus) Quélet, 1886 – on 24 fungal taxa were identified on Aesculus trunk in 1 locality. hippocastanum , one on Aesculus x carnea .

Polyporus squamosus (Hudson) Fries, 1821 – Dangerous new fungi, infecting leaves of A.

on trunk in 2 localities. hippocastanum are Erysiphe flexuosa

Schizophyllum commune Fries, 1815 – on trunk ( Uncinula flexuosa ), and bark, trunk, twigs of in 3 localities. Aesculus x carnea – Phomopsis spp. In green

Stereum gausapatum (Fries) Fries, 1874 – on plantations of cities these fungi were reported tumble trunk in 1 locality. for the first time from Lithuania.

Trametes hirsuta (Wulfen) Lloyd, 1924 – on trunk in 1 locality. First record of powdery mildew Erysiphe flexuosa (Peck.) U. Braun et S. Takamatsu from

Pyrenomycetes Fries , 1849 Lithuania was registered in September 2004. Powdery mildew is covered with white mold. This

Nectria cinnabarina (Tode) Fries, 1849 symptom was observed on leaves of horse-

(anamorph Tubercularia vulgaris Tode, 1790 ) – chestnuts ( Aesculus hippocastanum ) growing on trunk, twigs in 3 localities. in Vilnius and Šiauliai (Vilnius, September 15, October 22, 2004; Šiauliai, September 21, 2004) .

Ascomycetes Whittaker, 1959 The fruitbodies in the winter stage of the fungus appear as small black dots over the mold in

Erysiphe flexuosa (Peck) U. Braun & S. September and October. Fungal colonies

Takamatsu, 2000 (syn. Uncinula flexuosa Peck , appeared and spread on upper and lower leaf

1872) – on leaves, wide distribution. surfaces of young as well as old leaves. The fungus was recently found throughout the

Coelomycetes Grove, 1935 country.

Apiognomonia errabunda (Roberge) Höhnel , Phomopsis spp. (Sacc.) Bubak – cancer twig 1918 (syn. Discula umbrinella (Berkeley & blights. Phomopsis cankers localized diseases, Broome) M. Morelet, 1973) – on leaves, common. particularly of woody plants. They result in a Diplodina aesculi (Saccardo) B. Sutton, 1980 shrinking and dying of the tissues, which later – on leaves, common. crack open and expose the wood underneath.

Phomopsis spp. – on withered, dead twigs, trunk Phomopsis spp. were found on 7 year-old twigs of Aesculus x carnea , in 1 locality. of Aesculus x carnea during all seasons in 2005. Guignardia aesculi (Peck) V.B. Stewart, 1916 Conspicuous symptoms are the wilting, (syn. Phyllosticta sphaeropsoidea Ellis & yellowing and falling of the leaves of infected Everhart, 1883) – on leaves in 3 localities. red horse-chestnut, and frequently the falling of Septoria aesculi (Libert) Westendorp, 1851 – flower buds before opening. Later the branches on leaves in 1 locality. turn brown. In spring conidia oozing out of a Septoria aesculicola (Fries) Saccardo, 1890 – pycnidium in a tendril-like mass. Both types of on leaves in 1 locality. alpha and beta conidia have been registered in June. After 2006 frost, the injured red horse- Hyphomycetes Fries, 1821 chestnut was cut away.

Tree decay, mainly caused by Basidiomycetes Bolay A., 2000: L’oidium des marronniers envahit fungi, was the most potential cause for trunk la Suisse. – Revue Suisse de Viticulture, breakage on Aesculus hippocastanum . In Arboriculture et Horticulture, 32: 311. addition, advanced decay caused by Nectria cinnabarina was the most important reason for Braun U., Cook R. T. A., Inman A. J., Shin H.-D., decreased safety of Aesculus trees. This fungus 2002: The taxonomy of the powdery mildew dominates in urban green plantations. fungi. – In: Bélanger R., Dik A. J., Bushnell W. R. (eds.), The powdery mildews: a

Symptoms of the Fusarium disease are striking. comprehensive treatise: 13–54. – APS Press, Aesculus hippocastanum leave margins turn St. Paul, Minnesota. brown in June. In mid-summer, the leave browning progresses inward between the veins. Braun U., Takamatsu S., 2000: Phylogeny of Eventually the entire leaf turns brown, wilts and Erysiphe, Microsphaera , Uncinula falls down from the twig. Later all injured (Erysipheae) and Cystotheca, Podosphaera, branches dye. Sphaerotheca (Cystotheceae) inferred from rDNA ITS sequences – some taxonomic

A leaf spot disease ( Apiognomonia errabunda , consequences. – Schlechtendalia, 4: 1–33. Guignardia aesculi , Septoria aesculi , S. aesculicola ) causes small brown circular spots Ellis M. B., Ellis J. P., 1997. Microfungi on Land on the leaves. Plants . – Slough.

In 2007–2008 Cameraria ohridella Deschka & Eriksson O. E., 2006 a . Fungi of Sweden. Dimic, 1986 was the most important pest of the Ascomycota. – http://www.umu.se/ horse-chestnut in Lithuania. Horse-chestnut leaf myconet/asco/indexASCO.html.–Umea. miner Cameraria ohridella was first observed in Nida near the Baltic Sea in 2002. The moth has Eriksson O. E. (ed.), 2006 b. Outline of spread very rapidly and it is now present across Ascomycota – 2006. – http:// most of the country. www.fieldmuseum.org/myconet/outline.asp

– Myconet, 12: 1–82.

In June 2008 in Vilnius city Cameraria ohridella damaged 50 % of Aesculus hippocastanum Farr F. D., Bills F. G., Chamuris P. G., Rossman Y. leaves; in August – 100 % of leaves. The leaves A., 1989: Fungi on Plants and Plant die and drop off. The fungi, disturbing horse- Products in the United States. – St. Paul. chestnut leaves – Erysiphe flexuosa , Guignardia aesculi , Diplodina aesculi – were Farr D. F., Rossman A. Y., Palm., M. E, & Mcinfrequently recorded. Cray, E. B. (n. d.) 2007. Fungal Databases,

Systematic Botany & Mycology Laboratory,

ARS, USDA, http://nt.ars-grin.gov/

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