phytotoxinn.
/ˈfʌɪtə(ʊ)ˌtɒksɪn/, U.S. /ˈfaɪdəˌtɑks(ə)n/ 1. A toxin derived from a plant.
ΘΚΠ
the world > physical sensation > use of drugs and poison > poison > [noun] > poisons from plants
aconitum?a1450
aconite1569
cocculus indicus1591
female-bane1601
timbo1725
Suriname poison1756
ipoh1779
upas1783
tanghin1788
picrotoxin1815
nicotine1817
strychnine1819
vauqueline1819
brucia1820
brucine1820
picrotoxia1823
strychnia1823
digitalin1824
dulcamara1828
conine1829
bikh1830
nicotia1830
atropine1836
menispermia1837
nicotina1838
solanine1838
strychnina1838
tanghicin1838
urari1838
conia1842
conicine1842
amanitine1847
oenanthin1848
menispermine1849
tetanine1857
hyoscyamine1858
barbasco1860
nicotylia1862
antiarin1863
xylostein1864
oleandrin1866
zebra poison1871
andromedotoxin1883
abrin1884
ouabain1888
strophanthus1888
toxiresin1890
manchineel1891
tuba1898
taxine1907
phytotoxin1909
oenanthotoxin1911
hypoglycin1954
1909 R. J. M. Buchanan Blood in Health & Dis. xii. 289 Of chemical agents causing hæmorrhage, bacterial products take a prominent place, but many poisons, phytotoxins (plant poisons), zootoxins (animal poisons)..are especially effective.
1924 Chem. Abstr. 18 1857 (heading) The protein phytotoxins, with special reference to the new ‘modeccin’.
1974 Nature 18 Oct. 628/1 Very low concentrations of phytotoxins can kill mammalian cells, and some of them..have been reported to suppress protein synthesis in cells and cell-free systems.
2. A substance poisonous or injurious to plants, esp. one produced by a parasite or pathogen.
ΘΚΠ
the world > plants > disease or injury > [noun] > property of being injurious to plants > substance injurious to plants
phytotoxin1914
phytocide1936
phytotoxicant1955
allelochemic1969
allelochemical1971
1914 Bull. Torrey Bot. Club 41 449 In explanation of these results, Hunger considers that shade so regulates the various physiological activities of the plant that the phytotoxin of mosaic is not generated.
1962 Phytopathology 52 586/1 (heading) Production of a phytotoxin by Rhizoctonia solani.
1970 G. A. Strobel & D. E. Mathre Outl. Plant Pathol. xxii. 318 Phytotoxins induce few or none of the symptoms usually caused by the pathogen from which they originate. Compounds such as lycomarasmin, altemaric acid, and numerous smaller molecular weight organic acids fall into this category.
2001 Weekend Austral. (Nexis) 11 Aug. (Review section) r34 Fresh pine bark may contain phytotoxins that inhibit plant growth, so make sure it is aged.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1909