Results 61 to 70 of about 160,790 (294)

THE TOPOGRAPHICAL TETRAZOLIUM METHOD FOR DETERMINING THE GERMINATING CAPACITY OF SEEDS [PDF]

open access: yesPlant Physiology, 1949
In 1942 the author published the so-called tetrazolium method for determination of the germinability of seeds (3). This method is based upon the reduction in germinability of the seeds due to a gradual dying-off of the embryo (2). The topographical spread of necrosis of embryo tissues can be demonstrated by means of 2,3,5-triphenyl-tetrazolium-chloride.
openaire   +2 more sources

Fire and the persistence of tuart woodlands [PDF]

open access: yes, 2006
Tall tuart (Eucalyptus gomphocephala) trees are a defining element of the landscape of Perth and the coastal plain to the north and south. However, with the health of some tuart stands deteriorating, most notably at Yalgorup south of Perth, concerns are ...
Archibald, Robert Donald
core   +1 more source

Cloning and characterisation of a maize carotenoid cleavage dioxygenase (ZmCCD1) and its involvement in the biosynthesis of apocarotenoids with various roles in mutualistic and parasitic interactions [PDF]

open access: yes, 2008
Colonisation of maize roots by arbuscular mycorrhizal (AM) fungi leads to the accumulation of apocarotenoids (cyclohexenone and mycorradicin derivatives).
Beekwilder, M.J.   +10 more
core   +2 more sources

Bioengineered Lymphatic Vessels in Synthetic Matrices to Study Breast Cancer Cell Functions

open access: yesAdvanced Healthcare Materials, EarlyView.
Lymphatic vessels are involved in cancer metastasis. To study the interplay between metastasizing cancer cells and lymphatic vessels under highly reproducible conditions, advanced in vitro models are required. In this work, 3D lymphatic networks are formed in biomimetic hydrogels and their interactions with invasive and non‐invasive cancer cell‐lines ...
Rodi Odabasi   +7 more
wiley   +1 more source

THE EFFECT OF PRIMING ON GERMINATION AND VIGOUR OF PANSY (Viola × wittrockiana Gams.) SEEDS

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2014
Three seed priming techniques: hydropriming, halopriming and osmopriming, were compared for their effects on germination and vigour of pansy (Viola × wittrockiana Gams.) seeds at 20°C, 30°C and 35°C.
Hanna Dorna   +2 more
doaj  

Paracrine Factor Local Gradient‐Generating System for Engineering Perfusable Vascularized Hepatocyte Tissues with Perfusion‐Induced Proliferation

open access: yesAdvanced Healthcare Materials, EarlyView.
A paracrine factor local gradient (PFLG)‐generating system enables microvessel penetration across 3D hepatocyte tissues. The resulting vascularized constructs recapitulate hepatic sinusoidal hepatocyte—endothelial contact architecture and enhance hepatic functions in vitro.
Yen‐Hsiang Huang   +2 more
wiley   +1 more source

Laser Light Stimulation Effects on Scorzonera hispanica L. Seeds Germination, Field Emergence and Photosynthetic Pigments Content

open access: yesJournal of Horticultural Research, 2016
The study presented herein concerns the effect of pre-sowing stimulation of scorzonera seeds with He–Ne laser on germination capacity, field emergence of seedlings and the content of chlorophylls and carotenoids. Seeds of scorzonera cv.
Dziwulska-Hunek Agata   +2 more
doaj   +1 more source

Impact of habitat conditions on the biological traits of the reed canary grass (Phalaris arundinacea L.)

open access: yesActa Agrobotanica, 2015
The aim of the study was to examine the morphology, and selected aspects of biology (seed germination capacity, biomass productivity) of reed canary grass (Phalaris arundinacea L.) growing in two locations with different soil conditions near Wrocław ...
Renata Kieloch   +2 more
doaj   +1 more source

Sex morphs and invasiveness of a fleshy-fruited tree in natural grasslands from Argentina [PDF]

open access: yes, 2017
Invasiveness has usually been studied as a species-level attribute; nevertheless, phenotypic differences between individuals in a population can lead to significant variations in colonization ability.
Amodeo, Martín Raúl   +1 more
core   +1 more source

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