phytotoxicadj.
/ˌfʌɪtə(ʊ)ˈtɒksɪk/, U.S. /ˌfaɪdoʊˈtɑksɪk/ Poisonous or injurious to plants.
ΘΚΠ
the world > plants > disease or injury > [adjective] > injurious to plants
phytopathogenic1923
phytotoxic1930
phytocidal1934
1930 Science 21 Mar. 303/1 The author has developed a quantitative method of studying the phytopharmacological and phytotoxic effects of various chemicals which proved to be of great usefulness.
1953 Phytopathology 43 663/1 Ethylene..arises from plant tissue injured by such phytotoxic compounds as endothal.
1976 Weed Abstr. 25 108/1 No treatment was phytotoxic to the blueberries.
1991 New Scientist 8 June 38/1 Some scientists regard fluorides as the most phytotoxic of the common pollutants.
Derivatives
ˌphytotoˈxicity n. the property of being phytotoxic.
ΘΚΠ
the world > plants > disease or injury > [noun] > property of being injurious to plants
phytotoxicity1945
phytopathogenicity1947
1945 J. G. Horsfall Fungicides xvi. 172 Phytotoxicity is a term to describe the injuriousness of fungicides to host plants.
2002 Capital (Annapolis, Maryland) (Nexis) 9 Aug. c1 Pesticide phytotoxicity..can cause five major types of plant damage.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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adj.1930