CO OZNACZA SŁOWO ACERVULUS
Acervulus
Acervulus jest małym, bezobjawowym owocowcem, który wybucha przez naskórek roślin gospodarskich pasożytowanych przez grzyby mitosporowe w kształcie Melanconiales. Ma postać małej poduszki, na dole której tworzą się krótkie zatłoczone konidiofory. Zarodniki przechodzą przez otwór u góry.
Definicja słowa acervulus w słowniku
Definicja acervulus w słowniku to mała, bezpłciowa, wytwarzająca spory struktura wytwarzana przez niektóre pasożytnicze grzyby na roślinie żywicielskiej. Inną definicją acervulus są piaszczyste zwapnienia występujące w mózgu, szczególnie w okolicy szyszynki; zwany także acervulus cerebri lub piasek mózgowy.
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1
Microbiology:Application Based Approach
[B] Cross section of a subepidermal acervulus of Marsoninajuglandis in black
walnut leaf. Mature (M) and immature (arrows) conidia are exhibited. The host
epidermis (E) is clearly seen. [C] Diagrammatic representation of a pycnidium
and an ...
2
Krishna's Diversity of Microbes, Fungi & Lichens
In Fusarium lini, macroconidia are generally borne in sporodochia (Fig. 1.33 B).
All species of the genus Fusarium do not produce sporodochiia (in) Acervuli : (
sing. Acervulus ; L. acervulus, heap) An acervulus is a flat or saucer-shaped bed
of ...
3
Algae, Fungi, Lichens, Microbiology, Plant Pathology, ...
Colletotrichum. Conidia. Comments 1. The conidia are always formed in acervuli.
2. The acervulus is formed on the surface of the rind as minute black clusters, just
above or below the nodes. These develop from the stromatic mass of hyphae ...
Ashok M. Bendre, Ashok Kumar,
2010
4
A Textbook Of Botany - Vol 1, 11E
Each acervulus consists of a stromatic layer from the surface of which arise
simple hyaline and unseptate conidiophores. In some cases, e.g. C. falcatum, a
number of stiff, pointed, unbranched, septate, bristle-like structures, called setae
are ...
P S Trivedi S N Pandey, P S Trivedi S N Pandey, Pandey, S N & Trivedi, P S,
2009
5
Lectures on physiology, zoology, and the natural history of ...
Soemmerring has shewn that that curious structure, the sandy or earthy matter of
the pineal gland (acervulus pinealis,) belongs to the healthy natural state of the
human brain, being found from the fourteenth year ; and that it is almost confined
...
Sir William Lawrence,
1822
6
Text Book Of Botany Diversity Of Microbes And Cryptogams
The fruiting body is a plate-like acervulus that develops just below the leaf
epidermis. It consists of a stromatic layer, which produces simple hyaline
conidiophores from its surface (Fig. 2A). The conidiophores are arranged
compactly like ...
7
Vegetable Diseases and Their Control
It is possible that some cells of the acervulus can produce a secondary sclerotium
that could persist and later germinate to produce another acervulus and more
conidia spores. In any case, it appears that the sclerotia are not only well suited
to ...
The conidia develop on conidiophores in acervulus-type of fruiting bodies (Fig.
20.10.A-Q. The acervuli are saucer-shaped, flat, and black velvety structures.
Each acervulus consists of a stromatic layer, from whose surface are produced ...
Melanconiales: Conidia produced singly or in chains. Often surrounded by a
gummy mass from conidiophores packed closely in a usually subepidermal or
subcortical layer the acervulus. Moniliales: Conidia formed on conidiophores
which ...
10
Lectures on Physiology, Zoology, and the Natural History of ...
SOEMMERRING has shewn that that curious structure, the sandy or earthy matter
of the pineal gland (acervulus pinealis), belongs to the healthy natural state of the
human brain, being found from the fourteenth year; and that it is almost ...
Sir William LAWRENCE,
1823