Results 171 to 180 of about 7,667 (215)
Some of the next articles are maybe not open access.
Potential allelochemicals from Sambucus nigra
Phytochemistry, 2001Twenty-four aromatic metabolites belonging to cyanogenins, lignans, flavonoids, and phenolic glycosides were obtained from Sambucus nigra. Structures were determined on the basis of their spectroscopic features. Two compounds have been isolated and identified as (2S)-2-O-beta-D-glucopyranosyl-2-hydroxyphenylacetic acid and benzyl 2-O-beta-D ...
D'ABROSCA, Brigida +6 more
openaire +3 more sources
Lignin and polyphenols as allelochemicals
Industrial Crops and Products, 2008By the microbiological action, lignin from vegetal wastes is transformed at soil level in organic prebiotic products with physiological activity on plants development. On the other hand, some micromolecular compounds resulted from plant wastes decomposition, along with polyphenols coming from extraction of plant residues could play a role of ...
V.I. Popa +3 more
openaire +1 more source
Autotoxicity in beans and their allelochemicals
Scientia Horticulturae, 2012Abstract The autotoxicity of Pisum sativum, Phaseolus vulgaris, and Vicia faba were investigated in hydroponics either with or without activated charcoal (AC) addition. Growth and yield of the three beans were significantly reduced when grown in the culture solution without AC addition. In P.
Md. Asaduzzaman, Toshiki Asao
openaire +1 more source
2008
This chapter presents a brief coverage of a range of common plant allelochemical groups, and includes discussion of their structures, chemistry, distribution, ecology, bioactivity, biosynthesis, allelopathy, and mode of action where known.
openaire +1 more source
This chapter presents a brief coverage of a range of common plant allelochemical groups, and includes discussion of their structures, chemistry, distribution, ecology, bioactivity, biosynthesis, allelopathy, and mode of action where known.
openaire +1 more source
Searching for Rice Allelochemicals
Agronomy Journal, 2001A bioactivity‐guided isolation method was developed with the objective of isolating the allelochemicals in rice (Oryza sativa L.). Roots of the allelopathic rice cultivar Taichung Native 1, grown hydroponically, were extracted and fractionated, with the activity of the fractions followed using a 24‐well culture plate microbioassay.
Rimando, A. M. +3 more
openaire +1 more source
Role of Allelochemicals in Agroecosystems
2020The biological invasion may discover its root into the marvels of allelopathy, the allelochemicals produced by the plants as a mean of their defense mechanism has turned out to be hindering to the growth of its native plants yet not to their coexisting species due to their adaptive capability (Callaway & Ridenour, 2004).
Waseem Mushtaq +2 more
openaire +1 more source
Biological Activity of Allelochemicals
2009All plants produce compounds that are phytotoxic to another plant species at some concentration. In some cases, these compounds function, at least in part, in plant/plant interactions, where a phytotoxin donor plant adversely affects a target plant, resulting in an advantage for the donor plant.
Franck E. Dayan, Stephen O. Duke
openaire +1 more source
Bioavailability of Allelochemicals in Soil
2008Abstract : The successful spread of the weeds Acroptilon repens (Russian knapweed, RK) and Centaurea maculosa (Spotted knapweed, SK) has been attributed to the exudation of allelopathic chemicals by their roots. RK releases 7,8-benzoflavone and SK releases (+/-)- catechin.
openaire +1 more source
Evolution of Allelochemics in Angiospermae
1982Primitive angiosperms may owe their woody habit to a gymnosperm-type ancestry. Gymnosperms, in which, significantly, alkaloids are rare, possess the metabolic pathway sugar → shikimic acid → chorismic acid → phenylalanine → cinnamic acid → cinnamyl alcohol (Fig.
openaire +1 more source