Results 61 to 70 of about 31,222 (281)

Visual perception of colourful petals reminds us of classical fragments [PDF]

open access: yes, 2008
Colour has attracted the interest and attention of many of the most gifted intellects of all time. Ideas of early thinkers were not -and could not have been- grasped on a scientific level without knowledge of a kind that lay far in the future.
Apostolis Argiropoulos   +6 more
core   +1 more source

Enhanced UV-Reflection Facilitated a Shift in the Pollination System of the Red Poppy, Papaver rhoeas (Papaveraceae)

open access: yesPlants, 2020
Evolutionary change is considered a major factor influencing the invasion of new habitats by plants. Yet, evidence on how such modifications promote range expansion remains rather limited. Here we investigated flower color modifications in the red poppy,
J. Martínez-Harms   +6 more
semanticscholar   +1 more source

Living by the lake: Plant food diversity in a prehistoric lake‐dwelling community in the Republic of North Macedonia

open access: yesArchaeometry, EarlyView.
Abstract This paper explores the relationship between wetland ecosystems and prehistoric lakeshore settlements within the Lake Ohrid basin (a biodiversity hotspot) by considering plant food systems at Ploča Mičov Grad, North Macedonia. The mid‐fifth millennium (c.4555–4373 to 4437–4241 cal BCE) waterlogged assemblage contained a diverse spectrum of ...
Amy Holguin   +14 more
wiley   +1 more source

Papaver somniferum - achievements, incertitudes, expectations

open access: yesActa Societatis Botanicorum Poloniae, 2014
The poppy (Papaver somniferum L.) has had in the past, has now and will have in the future a special position among medicinal plants. It is of increasing scientific interest due to its utility, aesthetic, alimentary and pharmaceutical values.
Ion I. Bǎrǎ, Eckard Welimann
doaj   +1 more source

Results of trials with poppy seed (Papaver somniferum) in organic and integrated production technology. [PDF]

open access: yes, 2010
The influence of organic and integrated management practices on poppy yield, pests and disease incidence was assessed in field trials in 2009. Crop management based on mineral fertilisers application and chemosynthetic pesticides treatment significantly
Dvorak, Petr   +4 more
core  

Molecular Network-Guided Alkaloid Profiling of Aerial Parts of Papaver nudicaule L. Using LC-HRMS

open access: yesMolecules, 2020
Papaver nudicaule L. (Iceland poppy) is widely used for ornamental purposes. A previous study demonstrated the alleviation of lipopolysaccharide-induced inflammation mediated by P.
Kwan-Jung Song   +4 more
semanticscholar   +1 more source

AlkaPlorer: A database‐driven explorer for natural alkaloids and derivatives

open access: yesJournal of Integrative Plant Biology, EarlyView.
The alkaloid database AlkaPlorer integrates over 130,000 compounds across 12,250 species. By linking chemical structures with biological and evolutionary data, it reveals how these molecules evolve and function. This platform serves as a vital resource for AI‐driven discovery in plant metabolism and modern drug development. ABSTRACT Alkaloids, renowned
Jiahao Li   +5 more
wiley   +1 more source

Aphids associated with shrubs, herbaceous plants and crops in the Maltese Archipelago (Hemiptera, Aphidoidea) [PDF]

open access: yes, 2011
A survey of the aphids associated with Maltese shrubs, herbaceous plants and crops was carried out. Sixty six aphid species were recorded from more than 90 species of host plants.
Azzopardi, Erika   +6 more
core  

Reducing the Sinapine Levels of Camelina sativa Seeds Through Targeted Genome Editing of REF1

open access: yesPlant Biotechnology Journal, EarlyView.
ABSTRACT Sinapine (O‐sinapoyl choline) is the major phenolic metabolite typically found in the oil‐rich seeds of Brassicaceae such as Camelina sativa and Brassica napus. It imparts a bitter taste to the seeds as a defence mechanism against herbivores, but it also renders them less palatable to livestock.
Amélie A. Kelly   +5 more
wiley   +1 more source

Variation of seed characteristic from natural and artificial selection in the genus Papaver [PDF]

open access: yes, 2015
Papaveraceae is a mediterranean plant family with an important scientific, commercial and ethnobotanical interest. Includes wild species, which are distributed throughout the Spanish territory, as Papaver rhoeas, P. dubium, P. bracteatum, P. hybridum and
Martín-Clemente, Elena   +1 more
core  

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