necrotrophicadj.
/ˌnɛkrə(ʊ)ˈtrɒfɪk/, /ˌnɛkrə(ʊ)ˈtrəʊfɪk/, U.S. /ˌnɛkroʊˈtrɑfɪk/ Plant Pathology.
Of a plant parasite: feeding on dead tissue.
ΚΠ
1933 Phytopathology 23 858 The second group of parasites may be said to be living necrotrophically..or as necrotrophic parasites.
1959 Ann. Rev. Microbiol. 13 192 Sap secretions from wounds frequently are excellent media for germination and early growth of necrotrophic parasites.
1984 J. W. Deacon Introd. Mod. Mycol. (ed. 2) xi. 175 The necrotrophic mycoparasites typically have wide host ranges and cause major damage to their hosts.
1998 New Scientist 2 May 84/2 (advt.) A plant biochemist/chemist is required by the Soft Fruit and Perennial Crops Department to carry out research..under the title ‘Oxidative attack by Necrotrophic Pathogens—New approaches for an Innovative and Non-Biocidal Control of Plant Diseases’.
Derivatives
necroˈtrophically adv.
ΚΠ
1933 Phytopathology 23 858 The second group of parasites may be said to be living necrotrophically..or as necrotrophic parasites.
1995 New Phytologist 130 268/1 These lichenicolous fungi derive their nutrition from the lichen thallus either biotrophically, necrotrophically, or saprotrophically.
This is a new entry (OED Third Edition, September 2003; most recently modified version published online March 2022).
<
adj.1933