Results 91 to 100 of about 1,179,517 (308)

Phytotoxitic activity of Apeiba tibourbou Aubl. and Curatella americana L. aqueousextracts on seed germination of Lactuca sativa L. [PDF]

Hoehnea
Allelochemicals have been used as an alternative to pesticides and inhibit the action of pathogens or stimulating the growth of other plants. This study aimed to analyze the phytotoxic potential of the species Apeiba tibourbou Aubl.
Ana Cecilia Marques de Carvalho Santos, Leomar da Silva de Lima, Graziela Cury, Flávia de Barros Prado Moura   +3 more
doaj   +1 more source

Engineered Mycelial Scaffolds With Tunable Ultraviolet Protection, Wettability, Thermal Stability, and Spatial Mechanics

Advanced Engineering Materials, EarlyView.
Fungal mycelia grown into biodegradable scaffolds and infused with titania nanoparticles show enhanced ultraviolet shielding, thermal protection, and surface nonwettability. Properties were tuned by drying methods, revealing structure–function relationships.
Juwon S. Afolayan, Xin Zhang, Carole C. Perry   +2 more
wiley   +1 more source

Comparative analysis of the whole mitochondrial genomes of four species in sect. Chrysantha (Camellia L.), endemic taxa in China

BMC Plant Biology
Background The sect. Chrysantha Chang of plants with yellow flowers of Camellia species as the “Queen of the Tea Family”, most of these species are narrowly distributed endemics of China and are currently listed Grde-II in National Key Protected Wild ...
Zhi Li, Zhaohui Ran, Xu Xiao, Chao Yan, Jian Xu, Ming Tang, Mingtai An   +6 more
doaj   +1 more source

Methods for overcoming dormancy in Stryphnodendron pulcherrimum seeds

Pesquisa Florestal Brasileira, 2016
Seed dormancy is a phenomenon observed in several tropical species. This condition causes low and non-uniform germination. The present study was designed to identify an efficient method of breaking seed dormancy in Stryphnodendron pulcherrimum.
Adriano Gonçalves Pereira, Eniel David Cruz, Hellen Síglia Demétrio Barros   +2 more
doaj   +1 more source

Removing Oxide Layers and Retaining Oxide‐Free Steel Surfaces by Polishing in Oxygen‐Free Atmosphere

Advanced Engineering Materials, EarlyView.
In this study, the efficacy of wet mechanical polishing under an oxygen‐free atmosphere for deoxidation and the retention of an oxide‐free steel surface are elucidated using X‐ray photoelectron spectroscopy. The methodology proved successful; however, the results were highly dependent on the preparation of the solvents used to clean the samples after ...
Friedrich Bürger, Lienhard Wegewitz, Wolfgang Maus‐Friedrichs   +2 more
wiley   +1 more source

Report on the 2013 Rapid Assessment Survey of Marine Species at New England Bays and Harbors [PDF]

, 2014
Introduced species (i.e., non-native species that have become established in a new location) have increasingly been recognized as a concern as they have become more prevalent in marine and terrestrial environments (Mooney and Cleland 2001; Simberloff et ...
Cao, Yuangyu, Carlton, James T., Currimjee, Zara, Dijkstra, Jennifer A., Edquist, Sara K., Gittenberger, Arriaan, Goodnight, Seth, Grady, Sara P., Green, Lindsay A., Harris, Larry G., Harris, Leslie H., Hobbs, Niels-Viggo, Lambert, Gretchen, Pappal, Adrienne L., Pederson, Judith, Ros, Macarena, Smith, Jan P., Stefaniak, Lauren, Stevens, Alexandra, Wells, Christopher D.   +19 more
core   +1 more source

Seasonal priority effects: Implications for invasion and restoration in California coastal sage scrub [PDF]

, 2010
Competition from exotic annual grasses (EAGs) threatens native plant communities in California. Coastal sage scrub communities have substantially diminished in area over the last century, in some instances by greater than 90%, while EAGs continue to ...
Claire E. Wainwright, Elsa E. Cleland
core   +2 more sources

Al–Cu Composite Casting of Laser‐Deoxidized Copper: Bonding, Interfacial Chemistry, and Thermal Conductivity

Advanced Engineering Materials, EarlyView.
This study investigates laser‐based oxide removal of Cu inserts in oxygen‐free conditions and examines long‐term oxidation kinetics and surface chemistry under different atmospheres via X‐ray photoelectron spectroscopy. Al–Cu compound casting with differently oxidized surfaces is performed, and intermetallic phase formation, morphology, and thermal ...
Timon Steinhoff, Finn‐Lennard Janthur, Sascha Zimmermann, Sarah Seffer, Jörg Hermsdorf, René Gustus, Ludger Overmeyer, Wolfgang Maus‐Friedrichs, Hans Jürgen Maier, Christian Klose   +9 more
wiley   +1 more source

The Study of Exotic and Invasive Plant Species in Gullele Botanic Garden, Addis Ababa, Ethiopia

Journal of Zoological and Botanical Gardens
The Gullele Botanic Garden was established to preserve and safeguard indigenous, rare, endemic, endangered, and economically important plant species. The objective of this study was to identify and map the exotic, invasive, and potentially invasive plant
Mehari Girmay, Kflay Gebrehiwot, Ergua Atinafe, Yared Tareke, Birhanu Belay   +4 more
doaj   +1 more source

Alien Invasion: Invasive Species (title provided or enhanced by cataloger) [PDF]

Using the example of the Eastern United States continental shelf, this lesson helps students understand how alien species enter non-native habitats, what problems are associated with these species, and what can be done about them.

core