"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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