Results 91 to 100 of about 21,913 (261)

Mathematical Modelling of Allelopathy: IV. Assessment of Contributions of Competition and Allelopathy to Interference by Barley

open access: yesDose-Response, 2005
One of the main challenges to the research on allelopathy is technically the separation of allelopathic effect from competition, and quantitatively, the assessment of the contribution of each component to overall interference. A simple mathematical model
De Li Liu   +3 more
doaj   +1 more source

Regularities and paradoxes in allelopathy: retrospective view

open access: yesІнтродукція Рослин, 2005
Historical and analytical review of formation and development fundamental allelopathy in Ukraine have been given. Theoretical and experimental studies by academician A.M. Grodzinsky and his coworkers have been generalized.
E.A. Golovko
doaj   +1 more source

Hydrolysable Tannins and Biological Activities of Meriania hernandoi and Meriania nobilis (Melastomataceae)

open access: yesMolecules, 2019
A bio-guided study of leaf extracts allowed the isolation of two new macrobicyclic hydrolysable tannins, namely merianin A (1) and merianin B (2), and oct-1-en-3-yl β-xylopyranosyl-(1„-6’)-β-glucopyranoside (3) from Meriania ...
Claudia Lorena Valverde Malaver   +6 more
doaj   +1 more source

The search for exudates from Eurasian watermilfoil and hydrilla [PDF]

open access: yes, 2002
Secondary metabolites are produced by aquatic plants, and in some instances, exudation of these metabolites into the surrounding water has been detected.
Glomski, Lee Ann M.   +3 more
core  

Density-dependent effect of allelopathy on germination and seedling emergence in two Ipomoea species

open access: yesRevista Chilena de Historia Natural, 2019
Background Density in inter and intraspecific plant-plant interactions affects the action modes of allelopathy (autotoxicity, negative and positive allelopathy). Some seeds exude compounds that inhibit the germination of others. Ipomoea murucoides and I.
Zoila Mercedes Aguilar-Franco   +5 more
doaj   +1 more source

Sustainable plant protection for increased food security in a changing climate [PDF]

open access: yes, 2008
The global climate is changing. Rising temperatures in temperate regions are making headlines, but there are a host of changes that may have even greater impact on a global scale, particularly in regions where food security is already delicately ...
Bandara, PB   +5 more
core  

Dose-Response—A Challenge for Allelopathy?

open access: yesDose-Response, 2005
The response of an organism to a chemical depends, among other things, on the dose. Nonlinear dose-response relationships occur across a broad range of research fields, and are a well established tool to describe the basic mechanisms of phytotoxicity ...
Regina G. Belz   +2 more
doaj   +1 more source

Evaluation of cover crops in high tunnel vegetable rotation [PDF]

open access: yes, 2013
Organic vegetable production within high tunnels allows for an extended growing season, crop protection, and environmental control. The USDA National Organic Program (NOP) standards mandate evidence that the soil has been maintained and improved over the
Mays, Neal   +3 more
core   +2 more sources

Echinochloa Cruss-gally Vigor on Various Plant Allelopathy

open access: yesJurnal Agroqua, 2017
This research was aimed to select allelopathy of the seven species of plants that are supposed to reduce the vigor of weeds Echinochloa crus-galli.
Risvan Anwar   +2 more
doaj  

Spatial heterogeneity promotes coexistence of rock-paper-scissor metacommunities

open access: yes, 2012
The rock-paper-scissor game -- which is characterized by three strategies R,P,S, satisfying the non-transitive relations S excludes P, P excludes R, and R excludes S -- serves as a simple prototype for studying more complex non-transitive systems.
Allesina   +66 more
core   +1 more source

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