Results 1 to 10 of about 396,182 (246)

In Vivo Bioassay of the Repellent Activity of Caraway Essential Oil against Green Peach Aphid

Insects, 2023
An in vivo dual choice bioassay with white cabbage as a host plant was used to determine the repellent effect of three different accessions of caraway (Carum carvi L.) essential oils (EOs) against the green peach aphid Myzus persicae (Sulzer).
Jessica Girardi, Kristīne Berķe-Ļubinska, Ieva Mežaka, Ilva Nakurte, Gundars Skudriņš, Laura Pastare   +5 more
doaj   +1 more source

Biochemical and Physiological Responses of Cucumis sativus L. to Application of Potential Bioinsecticides—Aqueous Carum carvi L. Seed Distillation By-Product Based Extracts

Agriculture, 2023
The extensive application of synthetic insecticides and herbicides over the past 50 years has led to a number of problems, including negative effects on non-target organisms and the evolution of pesticide-resistant pests.
Ieva Mežaka, Arta Kronberga, Marta Berga, Laura Kaļāne, Laura Pastare, Gundars Skudriņš, Ilva Nakurte   +6 more
doaj   +1 more source

Phytochemical Diversity Comparison in Leaves and Roots of Wild and Micropropagated Latvian Sea Holly (Eryngium maritimum L.)

Molecules, 2023
The goal of the current study was to compare the chemical composition of the roots, shoots, and leaves of wild-growing Eryngium maritimum L., and of in vitro and in field-cultivated plants in Latvia.
Ilva Nakurte, Marta Berga, Ieva Mežaka
doaj   +1 more source

Towards Automated Detection and Localization of Red Deer Cervus elaphus Using Passive Acoustic Sensors during the Rut

Remote Sensing, 2022
Passive acoustic sensors have the potential to become a valuable complementary component in red deer Cervus elaphus monitoring providing deeper insight into the behavior of stags during the rutting period. Automation of data acquisition and processing is
Egils Avots, Alekss Vecvanags, Jevgenijs Filipovs, Agris Brauns, Gundars Skudrins, Gundega Done, Janis Ozolins, Gholamreza Anbarjafari, Dainis Jakovels   +8 more
doaj   +1 more source

Large-Scale In Vitro Propagation and Ex Vitro Adaptation of the Endangered Medicinal Plant Eryngium maritimum L.

Horticulturae, 2023
The endangered medicinal plant Eryngium maritimum L. faces significant natural and anthropogenic threats. Therefore, in vitro propagation is recommended for both conservation and commercial purposes.
Ieva Mežaka, Dace Kļaviņa, Laura Kaļāne, Arta Kronberga   +3 more
doaj   +1 more source

Determining the Efficiency of Small-Scale Propellers via Slipstream Monitoring

Drones, 2023
A large part of small-sized UAVs that are used for surface scanning, video- and photography, or other similar applications are of the multirotor type. These small aircraft perform mainly in hovering or nearly hovering flight mode, and the endurance of ...
Jaan Susi, Karl-Eerik Unt, Siim Heering
doaj   +1 more source

Exploring the Potential of Supercritical Fluid Extraction of Matricaria chamomilla White Ray Florets as a Source of Bioactive (Cosmetic) Ingredients

Antioxidants, 2023
Aromatic and medicinal plants are a great source of useful bioactive compounds for use in cosmetics, drugs, and dietary supplements. This study investigated the potential of using supercritical fluid extracts obtained from Matricaria chamomilla white ray
Laura Pastare, Marta Berga, Liene Kienkas, Martins Boroduskis, Anna Ramata-Stunda, Dace Reihmane, Maris Senkovs, Gundars Skudrins, Ilva Nakurte   +8 more
doaj   +1 more source

Wild-Grown and Cultivated Glechoma hederacea L.: Chemical Composition and Potential for Cultivation in Organic Farming Conditions

Plants, 2022
Glechoma hederacea L. is a medicinal plant that is known in traditional medicine for its anti-inflammatory, antibacterial, antiviral, and anticancer properties. This study evaluated the potential for commercial production of G. hederacea and compared the
Inga Sile, Valerija Krizhanovska, Ilva Nakurte, Ieva Mezaka, Laura Kalane, Jevgenijs Filipovs, Alekss Vecvanags, Osvalds Pugovics, Solveiga Grinberga, Maija Dambrova, Arta Kronberga   +10 more
doaj   +1 more source

Pauline Privilege: A Pastoral concern in the South African Catholic Church [PDF]

Pharos Journal of Theology, 2022
The study aims at initiating a productive dialogue on the issue of Pauline privilege (privilegium Paulinum) in a South African context. Pauline privilege is basically a Roman Catholic church instrument for resolving marriage problems by dissolving ...
Dr. Cyril Arima
doaj   +1 more source

Validation and Comparison of Water Quality Products in Baltic Lakes Using Sentinel-2 MSI and Sentinel-3 OLCI Data

Sensors, 2020
Inland waters, including lakes, are one of the key points of the carbon cycle. Using remote sensing data in lake monitoring has advantages in both temporal and spatial coverage over traditional in-situ methods that are time consuming and expensive.
Tuuli Soomets, Kristi Uudeberg, Dainis Jakovels, Agris Brauns, Matiss Zagars, Tiit Kutser   +5 more
doaj   +1 more source