This study investigated the ability of neonatal larvae of the root-feeding weevil, Sitona lepidus Gyllenhal, to locate white clover Trifolium repens L. (Fabaceae) roots growing in soil and to distinguish them from the roots of other species of clover and a co-occurring grass species. Choice experiments used a combination of invasive techniques and the novel technique of high resolution X-ray mi...

A new species of eriophyoid mite, Aceria utzkae n. sp., inhabiting Carlina acanthifolia subsp. utzka (Hacq.) Meusel & Kästner (Asteraceae) is described and illustrated. It is compared with Aceria carlinae (Nalepa), the only other species known to inhabit Carlina spp., and a differential diagnosis is provided. Both species are recorded from Serbia for the first time and a new host plant, Carlina...

the mineral contents of centaura leave and seeds were determined by inductively coupled plasma-atomic emission spectroscopy (icp-aes). macro element concentrations (p, k, ca, mg and s) of samples were found at high levels. k was established at high level in both leave and seed samples of centaurea. while k contents of leaves changes between 7254.10 mg/kg (centaurea lycaonica) and 26396.36 mg/kg...

The discovery of a new species for the flora Kharkiv Oblast — Galium praeboreale Klokov (Rubiaceae) is reported along with records eight more that have not been registered before in Homilshanski Lisy National Nature Park and its vicinites: Euphorbia subtilis Prokh. (Euphorbiaceae), Carex tomentosa L. (Cyperaceae), Tragopogon podolicus (DC.) Artemcz. (Asteraceae), Arctium nemorosum Lej. Galeopsi...

Sesquiterpene lactones (SLs), mainly those with an activated exocyclic methylene group, are important allergens in Asteraceae (Compositae) plants. As a screening tool, the Compositae mix, consisting of five Asteraceae plant extracts with allergenic potential (feverfew, tansy, arnica, yarrow, and German chamomile) is part of several national patch test baseline series. However, the SL content of...

Many studies have supported the enemies hypothesis, which suggests that natural enemies are more efficient at controlling arthropod pests in polyculture than in monoculture agro-ecosystems. However, we do not yet have evidence as to whether this hypothesis holds true in peach orchards over several geographic locations. In the two different geographic areas in eastern China (Xinchang a town in t...

Bu çalışma, Genç İlçesi (Bingöl), ve yakın çevresinin florasını tespit etmek amacıyla yapılmıştır. Çalışma alanından 684 bitki örneği toplanmıştır. 62 familyaya ait 265 cins olmak üzere toplamda 403 takson belirlenmiştir. Toplanan örneklerin 3’ü Pteridophyta, 400’ü Spermatophyta bölümlerine aittir. Spermatophyta’ya bağlı Coniferophyta alt bölümü 2 Magnoliophyta 398 içermektedir. bölümüne takson...