| 释义 |
uredinium Bot.|jʊəriːˈdɪnɪəm|
Pl. -inia.
[f. L. ūrēdin-, ūrēdo uredo + -ium.]
A cluster or sorus of uredospores and the hyphæ which bear them. So ureˈdinial, ureˈdinoid adjs.
1900B. D. Jackson Gloss. Bot. Terms 283/1 Uredinial. 1905J. C. Arthur in Bot. Gaz. XXXIX. 221 For the sorus of the second spore-stage,..I propose uredinium..; derivatives uredinial, urediniospore or if preferred uredospore, etc. 1916Mycologia VIII. 182 Since the development of the uredinial stage is supposed to be subepidermal as a rule, this deviation seems worthy of note. 1929J. C. Arthur et al. Plant Rusts i. 13 Less easily recognized as aecia, with spores borne singly on pedicels and usually without peridia or paraphyses, are the stylosporic or uredinoid aecia. 1970J. Webster Introd. Fungi ii. iv. 375 Rusts with uredinoid aecia. 1974G. W. Burns Plant Kingdom ix. 168 (caption) Diagrammatic section through a uredinium. Ibid. 169 The uredinia begin their development beneath the epidermis of the host. 1982Hiratsuka & Sato in Scott & Chakravorty Rust Fungi i. 12 The uredinial state is the most destructive spore state of such rusts as wheat stem rust..and poplar leaf rust. |