phytotoxin

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Related to phytotoxins: Phototoxin, phycotoxin

phytotoxin

[¦fīd·ə′täk·sən]
(biochemistry)
A substance toxic to plants.
A toxin produced by plants.
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References in periodicals archive ?
Causes for this constrained growth include changes in temperature and water content of the surface soil, reduced nutrient availability and/or uptake, increased soil strength and reduced root growth, increased incidence of foliar and root disease, and increases in inhibitory microorganisms and phytotoxins.
Effects of Helminthosporium phytotoxins on cereal leaf protoplasts.
In vitro screening of rice germplasm for resistance to brown spot disease using phytotoxin.
Chickpea blight: production of the phytotoxins solanapyrones A and C by Ascochyta rabiei.
Application of solvent optimisation to the separation of the phytotoxins, solanapyrones A, B and C from culture filtrates of Ascochyta rabiei.
Allelopathy is a process whereby plants provide themselves with a competitive advantage by putting phytotoxins into the near environment (Pratley, 1996).
In contrast, phytotoxins seem to be of little importance in the field (Facelli & Pickett, 1991a).
The extraction of soil phytotoxins using a neutral EDTA solution.