Summary Allelopathic effects of different plant allelochemicals have become the focus studies that aim to determine new pesticidal compounds. Plant extracts with chemical compositions can be obtained using methods extraction, whereas dealing allelopathic properties use biotests obtain fast and precise results. Such were undertaken after noticing industrial hemp (Cannabis sativa L.) on surroundi...

Some damage caused in tobacco necrosis virus by u.v. radiation could be repaired in darkness in Chenopodium amaranticolor (dark reactivation) but not in French bean or in tobacco. By contrast, photoreactivation of the irradiated virus was observed in French bean and in tobacco but not in Chenopodium. The kind of damage in u.v.-irradiated virus that is susceptible to repair by photoreactivation ...

The article contains new information about the locations of rare and spreading species flowering plants in Western Siberia Southern Ural (Kurgan Region, Chelyabinsk Tomsk Republic Altai). Among them, four (Bidens frondosa L., Lappula intermedia (Ledeb.) Popov, Melica altissima Verbascum lychnitis L.) are reported as for three (Aquilegia vulgaris Dianthus barbatus Lepidium sativumL.) Altai, two ...

AIM Detection of monoterpenoid ascaridole and other terpenoids in the genus Chenopodium from the East Mediterranean. METHOD Distribution of ascaridole in leaves of 13 species medicinal plant belonging to the genus Chenopodium was examined with the help of the GC MS method. RESULTS cis Ascaridole was found as a major peroxy monoterpenoid (up to 46.9 %) in the oil. Three minor isomers: cis is...

Fascioliasis is a parasitic disease of worldwide distribution affecting mainly cattle and sheep. Its importance lies in the economic losses it produces in the livestock industry. Its control is carried out by using a chemical fasciolicide showing resistance problems and environmental contamination. Looking for an alternative control for this disease the present study was aimed at determining th...