Results 91 to 100 of about 298,868 (346)

The Pollen of the Cherry [PDF]

Nature, 1876
THE practice of the indefinite reproduction of woodcuts by means of cliches has frequently given rise to the repetition of erroneous drawings in one scientific text-book after another. Botanical text-books seem to have suffered especially in this way, in consequence of the great dearth of new and original illustrations by which they are characterised ...
openaire   +3 more sources

A Hypoallergenic Polygalacturonase Isoform from Olive Pollen Is Implicated in Pollen-Pollen Cross-Reactivity

International Archives of Allergy and Immunology, 2018
<b><i>Background:</i></b> Cross-reactivity reactions between allergenic polygalacturonases (PGs) from different biological sources, especially foods and pollens from the Oleaceae family, have been described using <i>Salsola kali</i> PG (Sal k 6).
Carmen Oeo-Santos, Salvador Mas, Joaquín Quiralte, Carlos Colás, Miguel Blanca, Javier Fernández, Francisco Feo Brito, Mayte Villalba, Rodrigo Barderas   +8 more
openaire   +5 more sources

Do Skin Prick Tests Predict Nasal Provocation Test Outcomes in Allergic Rhinitis Patients?

International Forum of Allergy &Rhinology, EarlyView.
ABSTRACT Background In diagnosing allergic rhinitis (AR), conventional skin prick tests (SPTs) often fail to reflect allergen‐induced nasal symptoms. Conversely, nasal provocation tests (NPTs) provide more definitive assessments but are less accessible.
Yunhyung Lee, Gyu Tae Kim, Seo Jun Kang, Marn Joon Park   +3 more
wiley   +1 more source

Assessment of pollen rewards by foraging bees

, 2017
Summary The removal of pollen by flower-visiting insects is costly to plants, not only in terms of production, but also via lost reproductive potential.
E. Nicholls, N. H. D. Ibarra
semanticscholar   +1 more source

Waste Management and Waste Disposal Detected by Combination of Analytical Methods: Late Bronze Age Březnice Settlement Site (South Bohemia)

Archaeological Prospection, EarlyView.
ABSTRACT Waste disposal processes and landfill management are crucial subjects in the field of settlement archaeology. Our study is focused on understanding the processes that are connected to the formation of the infills of settlement features and the recycling of the building materials (daub and wood) and waste management.
Tereza Šálková, Kristýna Budilová, Jaromír Kovárník, Antonín Majer, Jan Novák, Jaroslav Pavelka, Barbora Strouhalová, Libor Vobejda, Ondřej Šťastný, Martin Kuna, Ondřej Chvojka   +10 more
wiley   +1 more source

The evaluation of pollen concentrations with statistical and computational methods on rooftop and on ground level in Vienna – How to include daily crowd-sourced symptom data

World Allergy Organization Journal, 2019
Background: It is recommended to position pollen monitoring stations on rooftop level to assure a large catchment area and to gain data that are representative for a regional scale.
Maximilian Bastl, Katharina Bastl, Kostas Karatzas, Marija Aleksic, Reinhard Zetter, Uwe Berger   +5 more
doaj  

Acclimation to high temperature during pollen development

Plant Reproduction, 2016
Pollen heat acclimation. As a consequence of global warming, plants have to face more severe and more frequently occurring periods of high temperature stress.
F. Müller, I. Rieu
semanticscholar   +1 more source

Energy recovery from Ginkgo biloba urban pruning wastes: pyrolysis optimization and fuel property enhancement for high‐grade charcoal productions

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract Ginkgo biloba trees are widely planted in urban areas of developed countries for their resilience, longevity and aesthetic appeal. Annual pruning to control tree size, shape and interference with traffic and pedestrians generates large volumes of unutilized Ginkgo biomass.
Padam Prasad Paudel, Sunyong Park, Kwang Cheol Oh, Seok Jun Kim, Seon Yeop Kim, Kyeong Sik Kang, Dae Hyun Kim   +6 more
wiley   +1 more source

Drought, pollen and nectar availability, and pollination success.

Ecology, 2016
Pollination success of animal-pollinated flowers depends on rate of pollinator visits and on pollen deposition per visit, both of which should vary with the pollen and nectar "neighborhoods" of a plant, i.e., with pollen and nectar availability in nearby
N. Waser, M. V. Price
semanticscholar   +1 more source

Effect of sucrose on in-vitro pollen germination of Gloriosa superba L. - a medicinal plant from the Garhwal Himalaya, India

Environment Conservation Journal, 2017
Pollen germination and pollen tube growth are prerequisites for fertilization in seed bearing plants. The present study deals with the morphology, production, pollen-ovule ratio, and effect of sucrose on in-vitro germination of pollen grains of Gloriosa ...
P. Tiwari, P. L. Uniyal , Ekta Chaudhary   +2 more
doaj   +1 more source