Results 61 to 70 of about 15,798 (233)

Box–Behnken Response Surface Design of Polysaccharide Extraction from Rhododendron arboreum and the Evaluation of Its Antioxidant Potential

open access: yesMolecules, 2020
In the present investigation, the ultrasound-assisted extraction (UAE) conditions and optimization of Rhododendron arboreum polysaccharide (RAP) yield were studied by a Box–Behnken response surface design and the evaluation of its antioxidant potential ...
Ajaz Ahmad   +8 more
semanticscholar   +1 more source

Evaluating Testability of Permafrost Models Through Physical and Thermal Testing in Complex Mountain Terrain, Yukon, Canada

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT Due to its subsurface nature, permafrost cannot be directly observed with the naked eye or optical remote sensing. Consequently, accurately describing its distribution and thermal state is challenging. This is especially true in vast, remote environments, where obtaining comprehensive field data is demanding or improbable.
Ria Nicholson   +5 more
wiley   +1 more source

Effects of Seasons and Indole-3-buteric Acid Doses on the Propagation of Some Native Rhododendron Species by Air Layering Technique in their Natural Habitats

open access: yesBioResources, 2023
This research was conducted to determine to the effects of indole-3-butyric acid (IBA) doses and propagation season on rooting rates and some root parameters of Rhododendron species, R. ponticum L., R. luteum Sweet, R. ungernii Trautv, and R.
Bahadır Altun
doaj   +2 more sources

Phylogenetic Analysis and Codon Usage Bias of Chloroplast Genomes in Rhododendron

open access: yesGuangdong nongye kexue
【Objective】The objective of this study was to analyze the codon usage patterns in the chloroplast genome of Rhododendron, aiming to provide genetic information for the conservation and innovation of Rhododendron germplasm resources and to lay a ...
Yulei MA   +4 more
doaj   +1 more source

Portable digital video surveillance system for monitoring flower-visiting bumblebees

open access: yesJournal of Pollination Ecology, 2011
In this study we used a portable event-triggered video surveillance system for monitoring flower-visiting bumblebees. The system consist of mini digital recorder (mini-DVR) with a video motion detection (VMD) sensor which detects changes in the image ...
Ronny Steen   +1 more
doaj   +1 more source

Speciation with gene flow

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Biodiversity is threatened by human activities, with extinction debt accumulating rapidly. Many of these activities change the connectivity of populations, fragmenting existing population systems or bringing previously isolated populations or species into contact.
Zhiqin Long   +7 more
wiley   +1 more source

Genomics of the “tumorigenes” clade of the family Rhizobiaceae and description of Rhizobium rhododendri sp. nov.

open access: yesMicrobiologyOpen, 2023
Tumorigenic members of the family Rhizobiaceae, known as agrobacteria, are responsible for crown and cane gall diseases of various crops worldwide. Tumorigenic agrobacteria are commonly found in the genera Agrobacterium, Allorhizobium, and Rhizobium.
Nemanja Kuzmanović   +7 more
doaj   +1 more source

Interspecific Variance of Suitable Habitat Changes for Four Alpine Rhododendron Species under Climate Change: Implications for Their Reintroductions

open access: yesForests, 2021
Rapid temperature changes in mountain ecosystems pose a great threat to alpine plant species and communities. Rhododendron species, as the major component of alpine and sub-alpine vegetation, have been demonstrated to be sensitive to climate changes ...
Jin-Hong Zhang   +4 more
semanticscholar   +1 more source

Tracing change in the public perception of plants: insights from archives and social media in China

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
As urbanization accelerates, historic gardens serve as vital cultural treasures that offer spiritual and cultural support to the public. This study proposes an innovative approach that merges historical records from the Qing Dynasty with contemporary social media data to explore changes in public perceptions of these gardens.
Dong Xu   +4 more
wiley   +1 more source

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