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Publishing of the journal Agricultura is financially supported by Slovenian Research Agency.

Izdajanje revije Agricultura je finančno podprto s strani Javne agencije za raziskovalno dejavnost Republike Slovenije.

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The journal AGRICULTURA (A) publishes scientific works from the following fields: animal science, plant production, farm mechanisation, land management, agricultural economics, ecology, biotechnology, microbiology
ISSN 1581-5439
pp. 12-15

Chondrilla juncea L. is a herbaceous, taprooted perrenial, native to Eurasia. It was introduced to Australia and USA where it became one of the major noxious weeds, because of the absence or inefficiency of its natural enemies. We conducted a preliminary survey to locate the populations of Chondrilla juncea in Bulgaria and to determine possible agents of biocontrol. The investigation indicates that juncea is widespread in Bulgaria mainly on disturbed area and roadsides. It also occurs in orchards, vineyards, rose fields and wheat plots. It was found that the agents, which are established in Australia and North America as a part of a program for biological control, are also associated with C. juncea in Bulgaria. Additionally, we found leaf-feeding beetles and moths, root-miners, and seed-feeding flies and moths.
Agricultura 2: 12-15 (2003)

Key words: Chondrilla juncea; rush skeletonweed; distribution in Bulgaria; fenology; biocontrol agents


Preliminarna raziskava plevela Chondrilla juncea L. (Asteraceae) in njegovih naravnih sovražnikov v Bolgariji

Chondrilla juncea L. je zelnata trajnica, ki izvira iz Evroazije. Introducirana je bila Avstralijo in ZDA, kjer je postala eden glavnih nezaželjenih plevelov - zaradi odsotnosti ali neučinkovitosti naravnih sovražnikov. Opravljene so bile preliminarne raziskave s ciljem iskanja populacij Chondrilla juncea in možnih rešitev, povezanih z biokontrolo v Bolgariji. Raziskava kaže, da je C. juncea v Bolgariji razširjena predvsem na motenih območjih in ob cestah. Pojavlja se tudi v sadovnjakih, vinogradih, nasadih rož in poljih in pšenice. Ugotovili smo, da so agensi biokontrole, ki so uporabljeni v Avstraliji in Severni Ameriki, prisotni tudi v Bolgariji. Poleg tega smo našli hrošče, ki se hranijo z listi, molje, insekte, ki se hranijo s koreninami, in insekte, ki se hranijo s semeni te restlinske vrste.

Ključne besede: Chondrilla juncea; distribucija v Bolgariji; fenologija; biološka kontrola


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