"Piceirhiza horti-atrata" + Picea

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– Enlarged view –

Literature

references
  Weiss M, Agerer R (1988) Studien an Ektomykorrhizen XII. Drei nichtidentifizierte Mykorrhizen an Picea abies (L.) Karst. aus einer Baumschule. Eur J For Path 18: 26-43.

Morphology

Morphology of the mycorrhizal system
ramification presence-type
  absent
or    monopodial-pinnate
ramification orders
0     Lower value of unspecified range (could be µ-s.d., but not known)
1     Upper value of unspecified range (could be µ+s.d., but not known)
abundance
  solitary or in small numbers
rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
rhizomorphs presence
  absent
Morphology of the unramified ends
shape
  straight
or    bent
shape {of distal end}
  inflated, club-shaped
length
0.6 mm    Minimum value
0.8 mm    Lower value of unspecified range (could be µ-s.d., but not known)
1 mm    Upper value of unspecified range (could be µ+s.d., but not known)
diameter
0.2 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  black
mantle transparency
  not transparent
mantle laticifers visibility
  absent
mantle dots presence-colour
  absent
mantle carbonizing presence
  absent
mantle surface {in general} habit
  smooth
mantle surface {in detail} kind
  loosely woolly
emanating hyphae distribution
  not specifically distributed
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
blue granules presence
  absent
Anatomy of laticifers
presence
  absent
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
organisation
  plectenchymatous
mantle type
  ring-like arrangement of hyphal bundles (type A)
and    hyphae rather irregularly arranged and no special pattern discernible (type B)
hyphal system kind
  undifferentiated
and    forked
and    with rather short, obtuse, even finger-like branches
hyphae hyphal junctions angle {between}
  ca. 45° and less
septa clamps presence
  absent
cell shape
  cylindric, constricted at septa
and    slightly inflated in middle portions
cell pigment location-colour
  membranaceously brownish
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
hyphae arrangement
  plectenchymatous, without pattern
Anatomy of the inner mantle layer
organisation
  plectenchymatous
hyphae arrangement
  without pattern
or    with some considerably inflated cells
septa clamps presence
  absent
cell pigment location-colour
  absent
cell diameter
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
10 µm    Lower value of unspecified range (could be µ-s.d., but not known)
20 µm    Upper value of unspecified range (could be µ+s.d., but not known)

Anatomy of the tannin cells in longitudinal section
presence
  present
rows number
1     Lower value of unspecified range (could be µ-s.d., but not known)
3     Upper value of unspecified range (could be µ+s.d., but not known)
shape
  tangentially-oval, -elliptic or -cylindrical, and oriented in parallel to root axis
tangentially length
70 µm    Lower value of unspecified range (could be µ-s.d., but not known)
110 µm    Upper value of unspecified range (could be µ+s.d., but not known)
radially diameter
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
10 µm    Upper value of unspecified range (could be µ+s.d., but not known)

Anatomy of the cortical cells in longitudinal section
anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
60 µm    Lower value of unspecified range (could be µ-s.d., but not known)
90 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
18 µm    Lower value of unspecified range (could be µ-s.d., but not known)
30 µm    Upper value of unspecified range (could be µ+s.d., but not known)

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  protruding towards endodermis
anatomy mantle longitudinal section hyphal cells around tannin cells shape
  roundish
or    cylindrical
anatomy mantle longitudinal section hyphal cells around tannin cells thickness
1.5 µm    Minimum value
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
4 µm    Maximum value
anatomy mantle longitudinal section hyphal rows around tannin cells number
  one
anatomy mantle longitudinal section hyphal cells around cortical (epidermal) cells shape
  roundish
anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) thickness
1.5 µm    Minimum value
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
4 µm    Maximum value
anatomy mantle longitudinal section hyphal rows around cortical (epidermal) cells number
  one
structure {in plan view}
  of palmetti type
lobes width
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
Anatomy of the mantle in cross-section

Anatomy of the tannin cells in cross-section
presence
  present
tangentially length
5 µm    Minimum value
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
25 µm    Upper value of unspecified range (could be µ+s.d., but not known)

Anatomy of the cortical cells in cross-section
anatomy mantle cross-section cortical (epidermal) cells shape
  tangentially-oval to tangentially-elliptic
anatomy mantle cross-section cortical (epidermal) cells tangentially length
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
30 µm    Upper value of unspecified range (could be µ+s.d., but not known)

Anatomy of the Hartig net in cross-section
anatomy mantle cross-section hyphal cells around tannin cells shape
  roundish
anatomy mantle cross-section hyphal cells around tannin cells thickness
1.5 µm    Minimum value
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
4 µm    Maximum value
anatomy mantle cross-section hyphal rows around tannin cells number
  one
or    two
anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness
1.5 µm    Minimum value
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
4 µm    Maximum value
anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the emanating elements in general
intrahyphal hyphae presence
  absent
anastomoses type
  open, with a long bridge
or    open, with a short bridge or bridge almost lacking
Anatomy of cystidia


Anatomy of emanating hyphae
shape
  not striking
or    irregularly inflated or even beaded
cell pigment location-colour
  membranaceously brownish
drops of exuded pigment presence
  absent

Anatomy of the ramification of emanating hyphae
distance {from septum}
  in considerable distance from the septum

Anatomy of the septa of emanating hyphae
clamps presence
  absent


Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell shape
  slightly constricted
anatomy emanating elements emanating hyphae cell diameter
1.5 µm    Minimum value
2 µm    Mean (= average)
3 µm    Maximum value
anatomy emanating elements emanating hyphae cell length
18 µm    Minimum value
30 µm    Lower value of unspecified range (could be µ-s.d., but not known)
50 µm    Upper value of unspecified range (could be µ+s.d., but not known)
60 µm    Maximum value
anatomy emanating elements emanating hyphae cell wall surface habit
  smooth
or    rough of warts
or    without lens-shaped appositions
or    without spindle-shaped appositions
anatomy emanating elements emanating hyphae cell wall thickness
0.2 µm    Mean (= average)


Anatomy of the warts occouring on emanating hyphae
presence
  present
length
0 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
1 µm    Maximum value
Anatomy of rhizomorphs

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
presence
  absent
Anatomy of haustoria
{of ectomycorrhiza former} presence
  present
{of ectomycorrhiza former} abundance
  occasionally present
{in foreign ectomycorrhizae} presence
  absent
shape
  as normal hyphae

Chemical reactions

reaction with acid fuchsin presence
  absent
reaction with brillant-cresyl-blue presence
  absent
reaction with cotton-blue-lactic-acid presence
  absent
reaction with ethanol 70% presence
  absent
reaction with FeSO4 presence
  absent
reaction with formol 40% presence
  absent
reaction with guaiac presence
  absent
reaction with KOH 10% presence
  absent
reaction with lactic acid presence
  absent
reaction with Melzer's reagent presence
  absent
reaction with phenole presence
  absent
reaction with phenole-aniline presence
  absent
reaction with sulpho-vanillin presence
  absent
reaction with toluidin blue presence
  absent

Ecology

geographic occurrence continent
  Europe

Tree

plant family
  Pinaceae
plant genus
  Picea
plant habitat kind
  nursery

Remarks

public notes
  Mycorrhizal systems monopodial, mostly simple.

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