Search results for "Avena fatua"
showing 6 items of 6 documents
Herbicidal activity of Thymbra capitata (L.) Cav. essential oil
2020
The bioherbicidal potential of Thymbra capitata (l.) Cav. essential oil (EO) and its main compound carvacrol was investigated. In in vitro assays, the EO blocked the germination and seedling growth of Erigeron canadensis L., Sonchus oleraceus (l.) L., and Chenopodium album L. at 0.125 µ
Potential Effects of Essential Oils Extracted from Mediterranean Aromatic Plants on Target Weeds and Soil Microorganisms
2020
Essential oils (EOs), extracted from aromatic plants, have been proposed as candidates to develop natural herbicides. This study aimed to evaluate the herbicidal potential of Thymbra capitata (L.) Cav., Mentha ×
Interaction between diclofop-methyl and 2,4-D in wild oat (Avena fatua L.) and cultivated oat (Avena sativa L.), and fate of diclofop-methyl in culti…
1989
Summary Influence of 2,4-D on toxicity of diclofop-methyl to Avena sativa (cv. Selma) and Arena fatua at 2·5 leaf stage has been evaluated under controlled conditions. Effects of 2,4-D on the fate of diclofop-methyl in cultivated oat have also been studied. Mixture with 2,4-D reduced the toxicity of diclofop-methyl to both species. When applied immediately after diclofop-methyl treatment, 2,4-D still reduced herbicide toxicity to wild oat. This reduction was smaller in cultivated oat. and was only observed at higher phytotoxicity. No interaction was observed when a 10-day period separated the two applications. In mixture, 2,4-D enhanced diclofop-methyl penetration and diclofop acid conjugat…
Sēklu dīgtspēja un miera perioda pārtraukšanās dažādās Latgales un Vidzemes vējauzas (Avena fatua L.) populācijās
2017
Sakarā ar nezāļu monitoringā novēroto vējauzas (Avena fatua L.) plašo izplatību Latvijas kultūraugu sējumos un stādījumos, nepieciešamas īpašas metodes un saimniekošanas paņēmieni, lai ierobežotu šīs nezāles savairošanos. Vējauza ir viengadīgs, sējas auzai līdzīgs graudzāļu dzimtas augs, kas vairojas ar sēklām. Sēklām ir fizioloģiski (miera periods, pagarināts dīgšanas periods) un strukturāli (hidrofīls akots) pielāgojumi, kas palīdz augam ātri un efektīvi izplatīties un konkurēt ar kutūraugiem. Darba mērķis bija raksturot Latgales un Vidzemes pagastos ievākto vējauzas sēklu miera periodu, stratifikācijas, giberelskābes un pēcbriedes spēju inducēt dīgšanu, un sēklu plēkšņainības ietekmi uz …
Herbicidal activity of Mediterranean essential oils and their effects on soil bioindicators.
2020
[ES] Las preocupaciones ambientales y de salud han estimulado el interés en estrategias alternativas para el manejo de las malas hierbas. En todo el mundo se están haciendo esfuerzos para reducir la gran dependencia de los herbicidas sintéticos que se utilizan como principal método para el control de las plantas arvenses. Los herbicidas naturales basados en sustancias alelopáticas, como los aceites esenciales (AEs) extraídos de plantas, se han sugerido como una de las posibles alternativas para lograr un manejo sostenible de las arvenses. Por un lado, los AEs han mostrado capacidad para inhibir la germinación y el crecimiento de semillas de malas hierbas, por otro lado, hay una falta de est…
Herbicidal activity of essential oils extracted from different Eucalyptus and Citrus species against Avena fatua
2018
Weeds are a serious threat for crop yield and quality since they compete for water, light, soil nutrients and space. Avena fatua L. is one of the ten worst annual weeds of temperate agricultural regions of the world. It could reduce annual crop yields by as much as 70%. The main traits of this species include high fecundity, self-pollination, and variable degrees of primary seed dormancy. A. fatua is in the 4th position of herbicide resistant weeds in the word. It has developed resistance to eight different modes of action. .. The European legislation also supports weed control by means of Integrated Pest Management. It is important to manage A. fatua interference preventing environmental p…