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单词 self-incompatibility
释义

self-incompatibilityn.

Brit. /ˌsɛlfɪnkəmpatᵻˈbɪlᵻti/, /ˌsɛlfɪŋkəmpatᵻˈbɪlᵻti/, U.S. /ˌsɛlfˌɪnkəmˌpædəˈbɪlᵻdi/, /ˌsɛlfˌɪŋkəmˌpædəˈbɪlᵻdi/
Origin: Formed within English, by derivation. Etymons: self- prefix, incompatibility n.
Etymology: < self- prefix + incompatibility n. Compare self-compatibility n. Compare slightly later self-incompatible adj.
Botany.
The condition or property of being self-incompatible; absence of self-compatibility.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > flower or flowering plant > [noun] > pollination > self-fertilization > prevention of or inability to self-fertilize
self-sterility1863
hercogamy1887
self-incompatibility1916
1916 Mem. N.Y. Bot. Garden 6 338 There is anatomical self-incompatibility seen in the adaptations for cross pollination, and there is physiological self-incompatibility in the very marked self-sterility.
1952 Heredity 6 286 The primary function of self-incompatibility is the avoidance of self-fertilisation.
1970 Watsonia 8 142 The failure of fruit production following self-pollination results from self-incompatibility rather than sterility.
2014 J. Eastman Wildflowers Eastern U.S. 15/1 The plant has a self-incompatibility mechanism that limits self-seeding.
This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022).
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n.1916
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