Biology and Harmfulness of Unaspis euonymi (Comstock) in the Area of Belgrade
Biologija i štetnost kurikinog štitaša, Unaspis euonymi (Comstock) na području Beograda
dc.contributor.author | Graora, Draga | |
dc.date.accessioned | 2015-11-06T14:53:00Z | |
dc.date.available | 2015-11-06T14:53:00Z | |
dc.identifier.uri | http://arhiva.nara.ac.rs/handle/123456789/1283 | |
dc.description.abstract | Unaspis euonymi (Comstock) (Homoptera: Diaspididae) is a very dangerous pest of Euonymus spp. Numerous scale colonies and a high level of plant infestation provoke drying of leaves, branches and whole plants. As a result these plants have been less and less used in urban environment in the last few years. The biology and harmfulness of U. euonymi were studied on Euonymus plant, in several locations in the teritory of Belgrade during 2004 and 2005. The species has three generations and overwinters as mature female on trunks and branches of Euonymus. Due to a prolonged oviposition period, the generations are overlapping so that all developmental stages are continually present on plants. The level of infestation was examined on three plant species, Euonymus japonica, E. europea and E. fortunei, and E. japonica was the most frequently attacked plant was. | en |
dc.description.abstract | Unaspis euonymi (Comstock) (Homoptera:Diaspididae) je na području Beograda veoma opasna štetočina kurike, tj. biljaka iz roda Euonymus. Brojne kolonije vaši i visok stepen infestacije biljaka dovode do zastoja u porastu, sušenja lišća, pupoljaka, grana i celih biljaka, zbog čega se poslednjih godina Euonymus spp. sve manje koristi u ozelenjavanju urbanih površina. U više lokacija na teritoriji Beograda, biologija i štetnost U. euonymi proučavana je u 2004. i 2005. godini, na biljkama iz roda Euonymus. Utvrđeno je da vrsta ima tri generacije godišnje i da prezimljava u stadijumu polno zrele ženke na stablu i granama kurike. Razvučen period ovipozicije obezbeđuje stalno prisustvo svih razvojnih stadijuma što dovodi do preklapanja generacija. Praćenjem intenziteta napada na tri biljne vrste, Euonymus japonica, E. europea i E. fortunei, najjači napad je zabeležen na E. japonica, koja je najčešće zastupljena dekorativna biljka u urbanoj sredini. | sr |
dc.subject | Unaspis euonymi | sr |
dc.subject | Diaspididae | sr |
dc.subject | Euonymus spp | en |
dc.subject | Harmfulness | en |
dc.subject | štetnost | sr |
dc.title | Biology and Harmfulness of Unaspis euonymi (Comstock) in the Area of Belgrade | en |
dc.title.alternative | Biologija i štetnost kurikinog štitaša, Unaspis euonymi (Comstock) na području Beograda | sr |
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VOL 22 *No.3
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