en

cecidium

1

Terminological databases

EKI terminibaas Esterm

ID 732089 Last modified 05.05.2015
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Domain general botany
pahk preferred
gall preferred
galle preferred
  • mingil taimeosal (harilikult lehel, ka võrsel, pungal, tüvel, juurel) tekkiv väärmoodustis (kudede paikne haiguslik vohamine)
  • an excrescence produced on trees, especially the oak, by the action of insects, chiefly of the genus Cynips
pahk preferred
Usage examples
  • Taimekudede ebanormaalset vohamist, mille tulemuseks on pahk, põhjustavad taimerakkudesse sisestatavad ärritavad ained, mida eritavad putukad, lestad, nematoodid, seened või bakterid, ka viirused võivad osaleda selles protsessis. Maailmas on teada ligi 15 000 pahkade tekitajat ja kõige arvukamalt on neid putukate hulgas. Puudel ja põõsastel tekitavad pahku sageli pahklased ehk pahkvaablased (Cynipidae) ja pahksääsklased (Cecidomyiidae), samuti pahktäiliste (Adelgidae) ja lehetäiliste (Aphididae) hulka kuuluvad putukad.
gall
gall preferred
Usage examples
  • Galls may be formed on roots, stems, or leaves. Some galls (e.g. clubroot and crown gall) are symptoms of disease; others appear to do little harm to their hosts, while some may actually be beneficial to the plant (e.g. nitrogen-fixing root nodules of legumes).
Good to know
  • Oak-galls are largely used in the manufacture of ink and tannin, as well as in dyeing and in medicine.
cecidium
galle preferred
cécidie
Galle
äkämä

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