allelopathic substance

allelopathic substance

a secretion or excretion of an organism that has an inhibitory effect on others.
References in periodicals archive ?
Growth limiting effects on various terrestrial plant species by an allelopathic substance, loliolide, from water hyacinth.
Therefore, the Sensitivity of seedling growth stage to the allelopathic substance was higher than the germination stage.
The allelopathic substance in walnuts is known as juglone.
Extensive research indicated that the Callistemon citrinus plant was in fact exuding a natural herbicide identified as leptospermone, an allelopathic substance.
Allelopathic Substance Exuded from a Serious Weed, Germinating Barnyard Grass (Echinochloa crus-galli L.
Relative reduction or stimulation of seed germination and radicle length as affected by the allelopathic substance were calculated according to the general equations:
eported that crop or weed residue toxicity to plant seedling was likely caused by an allelopathic substance released from residues and accumulate in the soil, and also residue inhibition on seedling growth was enhanced if plant residue was incorporated before sowing.
To be indicated as a test plant, the species must present rapid and uniform germination and a degree of sensitivity that enables the expression of results at low concentrations of allelopathic substances (Soltys, Bogatek, & Gniazdowska, 2012).
2002), , the penetration of some allelopathic substances together with the water may occur in the germination process, fact that can inhibit or even retard the cells multiplication.
This measure may provide greater availability of nutrients, greater presence of straw on the soil surface and less possible release of allelopathic substances to the soil (Weston, 1990; Barbosa et al.
Allelopathic substances in combination with lower doses of herbicides may be a leading step in recent era.
The role of allelopathic substances in the smother crop barley.