biotypen.
/ˈbʌɪə(ʊ)tʌɪp/, U.S. /ˈbaɪoʊˌtaɪp/ Biology.
A group of genetically identical individuals (in a species of plant or invertebrate animal).
ΘΚΠ
the world > life > biology > biological processes > genetic activity > genetic constitution > [noun] > genotype > group having common
biotype1906
1906 W. Johannsen in Rep. Third Internat. Conf. Genetics 98 It remains quite uncertain whether the numbers..contain a multitude, or a few, or only one single ‘sort’ of organism—‘biotypes’ as I have called them.
1955 New Biol. 18 114 The East Anglian colony contains a far greater range of biotypes than this particular Irish one.
1974 Great Bend (Kansas) Tribune 1 May The greenbug biotype first damaged sorghum here in 1968.
1991 Wine Spectator 31 Aug. 11/4 A new biotype of that louse has emerged that destroys a rootstock used widely in California.
2001 Successful Farming Apr. 46/1 The other type of herbicide-related shift occurs when a biotype of a weed species develops tolerance or resistance to a herbicide.
Derivatives
bioˈtypic adj. of, relating to, or of the nature of a biotype.
ΚΠ
1910 Plant World 13 12 Interesting points are involved as to the relation of biotypic to Mendelian characters.
1946 Ann. Entomol. Soc. Amer. 40 326 Desertus represents merely a biotypic segregation of a minor variation.
2000 R. G. West Plant Life Quaternary Cold Stages xi. 173 The internal factors involve the genotype, and its ability to react successfully to variation of external conditions, for example by biotypic or ecotypic variations.
This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).
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n.1906