2 edition of Distribution of certain phenolics in Salix species (Salicaceae) found in the catalog.
Distribution of certain phenolics in Salix species (Salicaceae)
|Series||University of Joensuu publications in sciences =, Joensuun yliopiston luonnontieteellisiä julkaisuja ;, n:o 15, Joensuun yliopiston luonnontieteellisiä julkaisuja ;, n:o 15.|
|LC Classifications||MLCM 92/08749 (Q)|
|The Physical Object|
|Pagination||1 v. ;|
|LC Control Number||89208526|
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Abstract. Willows (Salix spp.) are an ancient group of deciduous shrubs and trees which has undergone an intensive phase of speciation during and after pleistocene glaciation.
The majority of willow species, in total more thanoccur in the northern temperate and boreal zone. Willow species vary greatly in their morphology and ecology: some are tiny dwarf shrubs and others grow to mid Author: J.
Tahvanainen, H. Roininen, R. Julkunen-Tiitto. Chemical diversity of several Betulaceae species: Comparison of phenolics and terpenoids in northern birch stems a) Distribution of certain phenolics in Salix. we now list at the end. Salicylates, the main phenolic glucosides of northern willow (Salix spp.), play an important role in plant-herbivore interactions.
Salicylates are labile metabolites that are thought to undergo metabolic turnover. Salicylates are synthesized from phenylalanine (Phe) via the shikimate pathway.
2-Aminoindanphosphonic acid (AIP), a strong inhibitor of Phe ammonia-lyase (EC Cited by: Julkunen-Tiitto R () Distribution of certain phenolics in Salix species (Salicaceae). PhD thesis. University of Joensuu Publications in Science, no.
15, Finland. Distribution of certain phenolics in Salix species (Salicaceae). PhD-thesis, University of M. and Pasteels, J.M.
Influence of phenolglucosides and trichome density on the distribution of insect herbivores on willows. Entomologica Experimentalis et Applicata. – eBook Packages Springer Book Archive; Buy this book on Cited by: 2.
Nectar is a sugar-rich liquid produced by plants in glands called nectaries, either within the flowers with which it attracts pollinating animals, or by extrafloral nectaries, which provide a nutrient source to animal mutualists, which in turn provide antiherbivore nectar-consuming pollinators include mosquitoes, hoverflies, wasps, bees, butterflies and moths, hummingbirds.
Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF.
Visit to get more information about this book, to buy it in print, or to download it as a free PDF. Introduction. Salix myrsinifolia (dark-leaved willow) is a sexually dimorphic shrub that is native to Europe and western Siberia.
The term sexual dimorphism is commonly used to refer to differences in morphological, ecological and behavioral attributes resulting from the differentiation of reproductive functions between males and females and their separation into separate individuals (Meagher Cited by: This group prob ably includes the condensed tannins from the barks of Rhizophora, Bruguiera, Pinus and certain Eucalyptus species (Hillis,).
THE CONDENSED TANNINS The flavan-3,4-diols belong to the group of compounds usually known as leucoanthocyanins (see Cited by: Management of Plant Allelopathy in Agriculture.
Allelopathy is a natural ecological phenomenon. It has been known and used in agriculture since ancient times (Zeng,).Allelochemicals can stimulate or inhibit plant germination and growth, and permit the development of crops with low phytotoxic residue amounts in water and soil, thus facilitating wastewater treatment Cited by: • Eucryphia of the family Eucryphiaceae can easily be distinguished based on their glycosides • Species of Spirodella,unidentifiable on morphological grounds,can distinguish on flavonoids • Thymol and derivatives in Calea nelsonii (Martinez et al.,) • Salicylalcohol and its glycosides in Populus and Salix (Julkunen-Tiitto, a,b.
WILLOW BARK. Various species of Salix which include S. purpurea L., (purple willow) S. daphnoides Vill. and S. fragilis L. (crack willow) are sources of the official drug (BP/EP, BHP, ESCOP, Complete German Commission E).There are about species of Salix showing much hybridization and unusual forms.
They are distributed in all parts of the North Temperate Zone, the Arctic Zone and the South. Plant defense against herbivory or host-plant resistance (HPR) describes a range of adaptations evolved by plants which improve their survival and reproduction by reducing the impact of herbivores.
Plants can sense being touched, and they can use several strategies to defend against damage caused by herbivores. Many plants produce secondary metabolites, known as allelochemicals, that influence.
1. Introduction. Many antioxidant compounds can be found in fruits and vegetables including phenolics, carotenoids, anthocyanins, and tocopherols .Approximately 20% of known plants have been used in pharmaceutical studies, impacting the healthcare system in positive ways such as treating cancer and harmful diseases .Plants are able to produce a large number of diverse bioactive Cited by: Certain species of ethnobotanical importance belonging to families Asteraceae, Berberidaceae, Cupressaceae, Elaeagnaceae, Gentianaceae, Salicaceae and Tamaricaceae, were collected from Gilgit during the months of June and July and were investigated for the presence of alkaloids, amino acids, anthraquinone (free and as glycosides) ascorbic acid, carbohydrates, coumarins, flavonoids, Author: A.
Khan, Ihsan Ilahi, A. Shah, Razia Bang, M. Rizvi, Aftab Saeed. Centella asiatica is one of the popular herbs used for inflammatory and neural conditions. Its differentiation from similar species is currently lacking.
The aims of this study were to differentiate the three closely related Centella species using methods based on morphological characters, genetic biodiversity, phytochemical compositions and antioxidant : Ali Alqahtani, Ali Alqahtani, Jun-Lae Cho, Ka Ho Wong, Kong M.
Li, Valentina Razmovski-Naumovski, Va. The condensed phenolics in the nonconductive wood and in the pith are stained in red (arrows), and at the same time the acid fuchsin has been removed from the conductive wood by the vanillin and HCl solutions.
F, Longitudinal tangential section of nonconductive wood showing the distribution of phenolics (red) and tyloses walls (arrows). SALICACEAE (Willow family) This is a family of about species of trees and shrubs in two genera, namely Populus L.
and Salix L., distributed chiefly in northern temperate regions (Mabberley ).Members of both genera, but in particular members of the genus Salix are noted for their propensity to produce inter-specific hybrids. This makes accurate identification of plant material difficult.
The concept of bush encroachment and invasion. Bush encroachment could be defined as an increase in woody plant abundance in grassland and savanna regions accompanied by changes in the herbaceous cover and composition of the natural vegetation [31 - 33].This section addresses the question of whether bush encroachment and/or invasion are the problem in rangelands and if the phenomenon Cited by: 3.
The strength and organization of species interactions determine the structure and dynamics of ecological communities. However, interactions do not occur between species per se – interactions occur between individuals.
A rising challenge for ecology is to understand how intraspecific trait variation scales up to affect community structure and dynamics. My dissertation research has taken an Author: Matthew A.
Barbour. Carbohydrate-rich extrafloral nectar (EFN) is produced in nectaries on the leaves, stipules, and stems of plants and provides a significant energy source for ants and other plant mutualists outside of the flowering period. Our review of literature on EFN indicates that only a few forest plant species in cool boreal environments bear EFN-producing nectaries and that EFN production in many Author: Jarmo K.
Holopainen, James D. Blande, Jouni Sorvari. The combination of biochar (BC) with compost has been suggested to be a promising strategy to promote plant growth and performance, but although “synergistic” effects have been stated to occur, full-factorial experiments are few, and explicit tests for synergism are lacking.
We tested the hypothesis that a combination of BC and spent mushroom substrate (SMS) has a positive synergistic Cited by: With o distinct species in sub-Saharan Africa alone, the African continent is endowed with an enormous wealth of plant resources. While more than 25 percent of known species have been used for several centuries in traditional African medicine for the prevention and treatment of diseases, Africa remains a minor player in the global natural products market largely due to lack of.
L-Canavanine and L-Canaline: Protective Allelochemicals of Certain Leguminous Plants GERALD A. ROSENTHAL Chap DOI: /bkch Publication Date (Print):. A new species of Centrodora Foerster (Hymenoptera: Aphelinidae) parasite in eggs of a cicadellid injurious to citrus in South Africa.
South African Journal of Agricultural Science 8: Annecke, D.P., Insley, H.P., a. The species of Marietta and a. Valentina Mittova, Micha Volokita and Micha Guy, Antioxidative Systems and Stress Tolerance: Insight from Wild and Cultivated Tomato Species, Reactive Oxygen and Nitrogen Species Signaling and Communication in Plants, /_6, (), ().Cited by: ADVERTISEMENTS: In this article we will discuss about the Traditional Types of Evidences used as Taxonomic Evidence: 1.
Morphology 2. Anatomy 3. Palynology 4. Embryology 5. Cytology 6. Phytochemistry 7. Ultra Structure 8. Genome Analysis and Nucleic Acid Hybridization. Contents: Morphology in Relation to Taxonomy Anatomy in Relation to Taxonomy Palynology in Relation to. Full text of "Permaculture: Ecological basis of agroforestry" See other formats.
The purpose of this book is to present the most recent advances in this field, mainly concerning the uptake and translocation of heavy metals in plants, mechanisms of toxicity, perception of metal and regulation of cell response under metal stress. in which hormones and reactive oxygen species (ROS) also play an important role.
Pathways for Chemical Synthesis Rather than totally eliminate the use of Secondary Natural Products from my writing agenda or changing its traditional meaning, I developed a system to define these plants products as Levels 1 through 4. This mimics the primary, secondary, tertiary and quaternary method of classifying products, and allows us to avoid.
Hura, F. Dubert, T. Dąbkowska, E. Stupnicka-Rodzynkiewicz, A. Stokłosa and A. Lepiarczyk, Quantitative analysis of phenolics in selected crop species and biological activity of these compounds evaluated by sensitivity of Echinochloa crus-galli, Acta Physiologiae Plantarum, /s, 28, 6, (), ().Cited by: Evaluation and comparison of nutritional quality and bioactive compounds of berry fruits from Lonicera caerulea, Ribes L.
species and Ribes ideaus grown in Russia. Journal of Berry Research, Vol. 3: Lugasia A., Hovaria J., Kadara G., Denes F. Phenolics in raspberry, blackberry and currant cultivars grown in Hungary.
GENERAL LITERATURE. A | B Phylogeographic evidence for a link of species divergence in Ephedra in the Qinghai-Tibetan plateau and adjacent regions to the Miocene Asian G.
(eds), The Dynamical Processes of Biodiversity - Case Studies of Evolution and Spatial Distribution. InTech, Rijeka. Rodondi, G. [et al. ], Beretta, M., & Andreis. The European raspberry is Rubus idaeus, one of over species of thegenus found in most European countries and the North American continent.
Two related species Rubusoccidentalis, with black or yellow fruit, and Rubus strigosus, with light red and sometimes white and. The only species that seems to benefit from R. rugosa encroachment is the bryophyte Hypnum lacunosum. According to Schubert et al. (), R. rugosa has become a character species of dune scrub of the alliance Salicion arenariae, naturally consisting of Rosa pimpinellifolia, Salix repens ssp.
arenaria, and Hippophaë by: The mechanism of action of these compounds may involve the activation of a potentially novel apoptotic pathway  following the accumulation of reactive oxygen species , binding to the surface of fungi or bacteria and interaction with certain membrane components [,], and/or the formation of pores in the cell membrane .
The flavonol glycosides and hydroxycinnamic acid derivatives were separated on a Phenomenex Prodigy column ( × mm, ODS 3, 5 ⌈m, A°) with a C18 security guard column (4 × mm, ODS 3, 5 ⌈m, A°) at a temperature of 30°C using a water/acetonitrile gradient (Schmidt et al., a).
Solvent A consisted of % water and 0 Cited by: PLANT PROPAGATION Concepts and Laboratory Exercises. Edited by. Caula A. Beyl Robert N. Trigiano. indb 3.
4/25/08 PM. Salicylic acid (SA) is an important plant hormone that regulates many aspects of plant growth and development, as well as resistance to (a)biotic stress. Efforts to identify SA effector proteins have revealed that SA binds to and alters the activity of multiple plant proteins—this represents a shift from the paradigm that hormones mediate their functions via one or a few by: Excellent book, covering over 1, species of useful plants from Nepal together with information on the geography and peoples of Nepal.
Good descriptions of the plants with terse notes on their uses. Title Ref: - Clematis - The Genus Publication Author Grey-Wilson. Publisher B. Batsford. London. Year ISBN Description.
As example for analysis of multi species patterns I show that co-distribution patterns in species rich forests change substantially with life stage from a dominance of positive small-scale associations for recruits to a dominance of neutral or segregation patterns for adults.
Finally, I present techniques to quantify spatial structures in.Medicinal Plant Biotechnology-Teaching Book. Published on May SNPs and DNA Microarrays 80 Applications 81 Genotype Identification 81 Plant Species 81 Plant Cultivars and Accessions 83 In-Vitro-Propagated Plant Material 83 Genetic Diversity 84 Variation and Relatedness Among Cultivars and Accessions 84 Amount and Distribution of.Hydrolysable tannins, water-extracted from sweet chestnut (Castanea sativa Mill.) (CHT) and membrane concentrated, have several effects as antioxidant, antimicrobial, and metal complexing agents.
Some patents described their use as nitrogen release modulators and iron complexing agent to fight plant chlorosis and to control legume seed-borne disease and nitrosamine and mycotoxin during plant Author: Sergio Miele, Stefania Tegli, Carlos Garcia Izquierdo, Matteo Cerboneschi, Enrica Bargiacchi.