Allelopathy Journal (ALLELOPATHY J)
Current impact factor: 0.58
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Publications in this journal
The phytotoxic potential of faba bean (Vicia faba L.) was evaluated by both soil-based and aqueous extract laboratory bioassays. A preliminary bioassay was conducted in Petri dishes filled with faba bean-amended soil. The results revealed strong inhibitory effects on the early growth of the model species lettuce. The
phytotoxic potential of aqueous extracts of faba bean aerial biomass was then determined on lettuce, maize and soybean as model crops in a temperate forage-based system, and Amaranthus retroflexus (redroot pigweed), Echinochloa crus-galli (barnyard grass) and Digitaria sanguinalis (large crabgrass) as the most common associated weeds. Dose-response curves and IC50 and IC90 values for faba bean aqueous extracts were obtained. The results indicate that faba bean aqueous extracts significantly inhibited the germination and early growth of weeds. Except for the highest concentration, crops were not affected, or crops growth was enhanced by the aqueous extracts at concentrations that suppressed the weeds. Thus faba bean aerial biomass may be a promising material for weed control in sustainable-based crop systems.
Allelopathy Journal 10/2014; 34:299-314.
Allelopathy Journal 01/2014; 33(1):43-52.
Occurrence of biogenic amines known as neurotransmitters - catecholamines and histamine - in plant cells and their influence on growth play major role in allelopathy. The presence and localization of these compounds in secretions and within plant cells has been studied on model cells [vegetative microspores, pollens and leaf stinging hairs] by fluorescent methods using special molecular probes viz., glyoxylic acid (reagent of catecholamines) and ortho-phthalic aldehyde (reagent of histamine). The vegetative microspores of horsetail Equisetum arvense, pollens from 25 species and the stinging hairs on stems and leaves of Urtica dioica L. were used as specimen. The cells and their secretions may fluoresce in blue-green (maximum 475-485 nm) after staining with glyoxylic acid or in blue (maxima 430-450 nm and sometimes in green-yellow without new maxima) after the treatment with ortho-phthalic aldehyde when excited in UV-light 360 nm. The reagents penetrated into the cells and stained DNA-containing organelles such as nuclei and chloroplasts. The amount of biogenic amines in emission of individual cell was also determined. Microspores (vegetative microspores of E. arvense and pollen of Hippeastrum hybridum) as unicellular models were sensitive to dopamine, histamine as well as to their antagonists.
Allelopathy Journal 01/2014; 34(1):1-16.
Allelopathy Journal 01/2014;
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