Results 21 to 30 of about 745,431 (303)

Herbivore induction of the glucosinolate-myrosinase defense system: major trends, biochemical bases and ecological significance [PDF]

open access: yes, 2009
Like many other plant defense compounds, glucosinolates are present constitutively in plant tissues, but are also induced to higher levels by herbivore attack.
Gershenzon, J., Textor, S.
core   +2 more sources

Gene regulatory networks elucidating huanglongbing disease mechanisms. [PDF]

open access: yes, 2013
Next-generation sequencing was exploited to gain deeper insight into the response to infection by Candidatus liberibacter asiaticus (CaLas), especially the immune disregulation and metabolic dysfunction caused by source-sink disruption.
Albrecht, Ute   +8 more
core   +4 more sources

The ‘Edge Effect’ Phenomenon in Plants: Morphological, Biochemical and Mineral Characteristics of Border Tissues

open access: yesDiversity, 2023
The ‘edge’ effect is considered one of the fundamental ecological phenomena essential for maintaining ecosystem integrity. The properties of plant outer tissues (root, tuber, bulb and fruit peel, tree and shrub bark, leaf and stem trichomes) mimic to a ...
Nadezhda Golubkina   +11 more
doaj   +1 more source

Studying in vivo dynamics of xylem-transported 11CO2 using positron emission tomography [PDF]

open access: yes, 2020
Respired CO2 in woody tissues can build up in the xylem and dissolve in the sap solution to be transported through the plant. From the sap, a fraction of the CO2 can either be radially diffuse to the atmosphere or be assimilated in chloroplasts present ...
Courtyn, Jan   +4 more
core   +1 more source

Petal Senescence: New Concepts for Ageing Cells [PDF]

open access: yes, 2009
Senescence in flower petals can be regarded as a form of programmed cell death (PCD), being a process where cells or tissues are broken down in an orderly and predictable manner, whereby nutrients are re-used by other cells, tissues or plant parts.
Doorn, W.G., van, Woltering, E.J.
core   +3 more sources

Processus de développement génératif chez le pommier cv Golden Delicious [PDF]

open access: yesBiotechnologie, Agronomie, Société et Environnement, 2002
Generative development process of apple cv Golden Delicious. The meristem organogenesis of the ""bourse"" shoot, the morphologic and the histologic modifications were studied at the end of the growth stopping by means of histological techniques ...
Mehri H., Crabbe J.
doaj  

Heavy metal accumulation in various tissues of radish (Raphanus sativus) grown under different ratios of organic amendments

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2019
Root vegetables have greater risk of metal contamination from compost application to soil than other horticultural crops. Moreover, soil organic amendments pose potential environmental hazards. The objective of the present study was to examine the heavy
Anastasia A. Papadaki   +1 more
doaj   +1 more source

Quantitative permeability imaging of plant tissues [PDF]

open access: yes, 2009
A method for mapping tissue permeability based on time-dependent diffusion measurements is presented. A pulsed field gradient sequence to measure the diffusion encoding time dependence of the diffusion coefficients based on the detection of stimulated ...
Timur A. Sibgatullin   +49 more
core   +1 more source

Analysis and control of ornamental plant responses to exposure to electromagnetic fields

open access: yesOrnamental Plant Research
All plants, including ornamentals, are subject to different stressors related to their environment. These can disrupt their progress, including their ability to generate pollen and reproduce successfully. These stressors may involve inert natural impacts
Adel Razek
doaj   +1 more source

Genome-Wide Identification, Functional Analysis and Expression Profiling of the Aux/IAA Gene Family in Tomato [PDF]

open access: yes, 2012
Auxin is a central hormone that exerts pleiotropic effects on plant growth including the development of roots, shoots, flowers and fruit. The perception and signaling of the plant hormone auxin rely on the cooperative action of several components,among
Abel   +55 more
core   +4 more sources

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